GCC Code Coverage Report


Directory: ./
File: openvdb/openvdb/unittest/TestTree.cc
Date: 2022-07-25 17:40:05
Exec Total Coverage
Lines: 1585 1600 99.1%
Functions: 49 50 98.0%
Branches: 2161 14222 15.2%

Line Branch Exec Source
1 // Copyright Contributors to the OpenVDB Project
2 // SPDX-License-Identifier: MPL-2.0
3
4 #include <openvdb/Exceptions.h>
5 #include <openvdb/Types.h>
6 #include <openvdb/math/Transform.h>
7 #include <openvdb/tools/ValueTransformer.h> // for tools::setValueOnMin(), et al.
8 #include <openvdb/tree/LeafNode.h>
9 #include <openvdb/io/Compression.h> // for io::RealToHalf
10 #include <openvdb/math/Math.h> // for Abs()
11 #include <openvdb/openvdb.h>
12 #include <openvdb/util/CpuTimer.h>
13 #include <openvdb/tools/LevelSetSphere.h>
14 #include <openvdb/tools/Prune.h>
15 #include <openvdb/tools/ChangeBackground.h>
16 #include <openvdb/tools/SignedFloodFill.h>
17 #include "util.h" // for unittest_util::makeSphere()
18
19 #include <gtest/gtest.h>
20
21 #include <cstdio> // for remove()
22 #include <fstream>
23 #include <sstream>
24
25 #define ASSERT_DOUBLES_EXACTLY_EQUAL(expected, actual) \
26 EXPECT_NEAR((expected), (actual), /*tolerance=*/0.0);
27
28
29 using ValueType = float;
30 using LeafNodeType = openvdb::tree::LeafNode<ValueType,3>;
31 using InternalNodeType1 = openvdb::tree::InternalNode<LeafNodeType,4>;
32 using InternalNodeType2 = openvdb::tree::InternalNode<InternalNodeType1,5>;
33 using RootNodeType = openvdb::tree::RootNode<InternalNodeType2>;
34
35
36 33 class TestTree: public ::testing::Test
37 {
38 public:
39 33 void SetUp() override { openvdb::initialize(); }
40 33 void TearDown() override { openvdb::uninitialize(); }
41
42 protected:
43 template<typename TreeType> void testWriteHalf();
44 template<typename TreeType> void doTestMerge(openvdb::MergePolicy);
45 };
46
47
48
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2 TEST_F(TestTree, testChangeBackground)
49 {
50 const int dim = 128;
51 const openvdb::Vec3f center(0.35f, 0.35f, 0.35f);
52 const float
53 radius = 0.15f,
54 voxelSize = 1.0f / (dim-1),
55 halfWidth = 4,
56 gamma = halfWidth * voxelSize;
57 using GridT = openvdb::FloatGrid;
58 const openvdb::Coord inside(int(center[0]*dim), int(center[1]*dim), int(center[2]*dim));
59 const openvdb::Coord outside(dim);
60
61 {//changeBackground
62 GridT::Ptr grid = openvdb::tools::createLevelSetSphere<GridT>(
63 1 radius, center, voxelSize, halfWidth);
64 openvdb::FloatTree& tree = grid->tree();
65
66
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1 EXPECT_TRUE(grid->tree().isValueOff(outside));
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1 ASSERT_DOUBLES_EXACTLY_EQUAL( gamma, tree.getValue(outside));
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1 EXPECT_TRUE(tree.isValueOff(inside));
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1 ASSERT_DOUBLES_EXACTLY_EQUAL(-gamma, tree.getValue(inside));
71
72 1 const float background = gamma*3.43f;
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1 openvdb::tools::changeBackground(tree, background);
74
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1 EXPECT_TRUE(grid->tree().isValueOff(outside));
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1 ASSERT_DOUBLES_EXACTLY_EQUAL( background, tree.getValue(outside));
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1 EXPECT_TRUE(tree.isValueOff(inside));
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1 ASSERT_DOUBLES_EXACTLY_EQUAL(-background, tree.getValue(inside));
80 }
81
82 {//changeLevelSetBackground
83 GridT::Ptr grid = openvdb::tools::createLevelSetSphere<GridT>(
84 1 radius, center, voxelSize, halfWidth);
85 openvdb::FloatTree& tree = grid->tree();
86
87
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1 EXPECT_TRUE(grid->tree().isValueOff(outside));
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1 ASSERT_DOUBLES_EXACTLY_EQUAL( gamma, tree.getValue(outside));
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1 EXPECT_TRUE(tree.isValueOff(inside));
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1 ASSERT_DOUBLES_EXACTLY_EQUAL(-gamma, tree.getValue(inside));
92
93 1 const float v1 = gamma*3.43f, v2 = -gamma*6.457f;
94
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1 openvdb::tools::changeAsymmetricLevelSetBackground(tree, v1, v2);
95
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1 EXPECT_TRUE(grid->tree().isValueOff(outside));
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1 ASSERT_DOUBLES_EXACTLY_EQUAL( v1, tree.getValue(outside));
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1 EXPECT_TRUE(tree.isValueOff(inside));
100
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1 ASSERT_DOUBLES_EXACTLY_EQUAL( v2, tree.getValue(inside));
101 }
102 1 }
103
104
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1 TEST_F(TestTree, testHalf)
106 {
107 1 testWriteHalf<openvdb::FloatTree>();
108 1 testWriteHalf<openvdb::DoubleTree>();
109 1 testWriteHalf<openvdb::Vec2STree>();
110 1 testWriteHalf<openvdb::Vec2DTree>();
111 1 testWriteHalf<openvdb::Vec3STree>();
112 1 testWriteHalf<openvdb::Vec3DTree>();
113
114 // Verify that non-floating-point grids are saved correctly.
115 1 testWriteHalf<openvdb::BoolTree>();
116 1 testWriteHalf<openvdb::Int32Tree>();
117 1 testWriteHalf<openvdb::Int64Tree>();
118 1 }
119
120
121 template<class TreeType>
122 void
123 18 TestTree::testWriteHalf()
124 {
125 using GridType = openvdb::Grid<TreeType>;
126 using ValueT = typename TreeType::ValueType;
127 10 ValueT background(5);
128 36 GridType grid(background);
129
130
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18 unittest_util::makeSphere<GridType>(openvdb::Coord(64, 64, 64),
131 openvdb::Vec3f(35, 30, 40),
132 /*radius=*/10, grid,
133 /*dx=*/1.0f, unittest_util::SPHERE_DENSE);
134
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18 EXPECT_TRUE(!grid.tree().empty());
135
136 // Write grid blocks in both float and half formats.
137
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36 std::ostringstream outFull(std::ios_base::binary);
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18 grid.setSaveFloatAsHalf(false);
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18 grid.writeBuffers(outFull);
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18 outFull.flush();
141 18 const size_t fullBytes = outFull.str().size();
142
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18 if (fullBytes == 0) FAIL() << "wrote empty full float buffers";
143
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36 std::ostringstream outHalf(std::ios_base::binary);
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18 grid.setSaveFloatAsHalf(true);
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18 grid.writeBuffers(outHalf);
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18 outHalf.flush();
148 18 const size_t halfBytes = outHalf.str().size();
149
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18 if (halfBytes == 0) FAIL() << "wrote empty half float buffers";
150
151 if (openvdb::io::RealToHalf<ValueT>::isReal) {
152 // Verify that the half float file is "significantly smaller" than the full float file.
153
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12 if (halfBytes >= size_t(0.75 * double(fullBytes))) {
154 FAIL() << "half float buffers not significantly smaller than full float ("
155 << halfBytes << " vs. " << fullBytes << " bytes)";
156 }
157 } else {
158 // For non-real data types, "half float" and "full float" file sizes should be the same.
159
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6 if (halfBytes != fullBytes) {
160 FAIL() << "full float and half float file sizes differ for data of type "
161 + std::string(openvdb::typeNameAsString<ValueT>());
162 }
163 }
164
165 // Read back the half float data (converting back to full float in the process),
166 // then write it out again in half float format. Verify that the resulting file
167 // is identical to the original half float file.
168 {
169
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36 openvdb::Grid<TreeType> gridCopy(grid);
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18 gridCopy.setSaveFloatAsHalf(true);
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36 std::istringstream is(outHalf.str(), std::ios_base::binary);
172
173 // Since the input stream doesn't include a VDB header with file format version info,
174 // tag the input stream explicitly with the current version number.
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18 openvdb::io::setCurrentVersion(is);
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18 gridCopy.readBuffers(is);
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36 std::ostringstream outDiff(std::ios_base::binary);
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18 gridCopy.writeBuffers(outDiff);
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18 outDiff.flush();
182
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18 if (outHalf.str() != outDiff.str()) {
184 FAIL() << "half-from-full and half-from-half buffers differ";
185 }
186 }
187 }
188
189
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2 TEST_F(TestTree, testValues)
191 {
192 ValueType background=5.0f;
193
194 {
195 const openvdb::Coord c0(5,10,20), c1(50000,20000,30000);
196 RootNodeType root_node(background);
197 1 const float v0=0.234f, v1=4.5678f;
198
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1 EXPECT_TRUE(root_node.empty());
199
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1 ASSERT_DOUBLES_EXACTLY_EQUAL(root_node.getValue(c0), background);
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1 ASSERT_DOUBLES_EXACTLY_EQUAL(root_node.getValue(c1), background);
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1 root_node.setValueOn(c0, v0);
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1 root_node.setValueOn(c1, v1);
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1 ASSERT_DOUBLES_EXACTLY_EQUAL(v0,root_node.getValue(c0));
204
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1 ASSERT_DOUBLES_EXACTLY_EQUAL(v1,root_node.getValue(c1));
205 int count=0;
206
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257 for (int i =0; i<256; ++i) {
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65792 for (int j=0; j<256; ++j) {
208
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16842752 for (int k=0; k<256; ++k) {
209
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16777216 if (root_node.getValue(openvdb::Coord(i,j,k))<1.0f) ++count;
210 }
211 }
212 }
213
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1 EXPECT_TRUE(count == 1);
214 }
215
216 {
217 const openvdb::Coord min(-30,-25,-60), max(60,80,100);
218 const openvdb::Coord c0(-5,-10,-20), c1(50,20,90), c2(59,67,89);
219 1 const float v0=0.234f, v1=4.5678f, v2=-5.673f;
220 RootNodeType root_node(background);
221
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1 EXPECT_TRUE(root_node.empty());
222
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1 ASSERT_DOUBLES_EXACTLY_EQUAL(background,root_node.getValue(c0));
223
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1 ASSERT_DOUBLES_EXACTLY_EQUAL(background,root_node.getValue(c1));
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1 ASSERT_DOUBLES_EXACTLY_EQUAL(background,root_node.getValue(c2));
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1 root_node.setValueOn(c0, v0);
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1 root_node.setValueOn(c1, v1);
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1 root_node.setValueOn(c2, v2);
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1 ASSERT_DOUBLES_EXACTLY_EQUAL(v0,root_node.getValue(c0));
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1 ASSERT_DOUBLES_EXACTLY_EQUAL(v1,root_node.getValue(c1));
230
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1 ASSERT_DOUBLES_EXACTLY_EQUAL(v2,root_node.getValue(c2));
231 int count=0;
232
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91 for (int i =min[0]; i<max[0]; ++i) {
233
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9540 for (int j=min[1]; j<max[1]; ++j) {
234
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1521450 for (int k=min[2]; k<max[2]; ++k) {
235
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1512000 if (root_node.getValue(openvdb::Coord(i,j,k))<1.0f) ++count;
236 }
237 }
238 }
239
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1 EXPECT_TRUE(count == 2);
240 }
241 1 }
242
243
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1 TEST_F(TestTree, testSetValue)
245 {
246 1 const float background = 5.0f;
247 2 openvdb::FloatTree tree(background);
248 const openvdb::Coord c0( 5, 10, 20), c1(-5,-10,-20);
249
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1 ASSERT_DOUBLES_EXACTLY_EQUAL(background, tree.getValue(c0));
251
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1 ASSERT_DOUBLES_EXACTLY_EQUAL(background, tree.getValue(c1));
252
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1 EXPECT_EQ(-1, tree.getValueDepth(c0));
253
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1 EXPECT_EQ(-1, tree.getValueDepth(c1));
254
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1 EXPECT_TRUE(tree.isValueOff(c0));
255
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1 EXPECT_TRUE(tree.isValueOff(c1));
256
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2 tree.setValue(c0, 10.0);
258
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1 ASSERT_DOUBLES_EXACTLY_EQUAL(10.0, tree.getValue(c0));
260
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1 ASSERT_DOUBLES_EXACTLY_EQUAL(background, tree.getValue(c1));
261
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1 EXPECT_EQ( 3, tree.getValueDepth(c0));
262
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1 EXPECT_EQ(-1, tree.getValueDepth(c1));
263
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1 EXPECT_EQ( 3, tree.getValueDepth(openvdb::Coord(7, 10, 20)));
264
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1 EXPECT_EQ( 2, tree.getValueDepth(openvdb::Coord(8, 10, 20)));
265
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1 EXPECT_TRUE(tree.isValueOn(c0));
266
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1 EXPECT_TRUE(tree.isValueOff(c1));
267
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2 tree.setValue(c1, 20.0);
269
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1 ASSERT_DOUBLES_EXACTLY_EQUAL(10.0, tree.getValue(c0));
271
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1 ASSERT_DOUBLES_EXACTLY_EQUAL(20.0, tree.getValue(c1));
272
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1 EXPECT_EQ( 3, tree.getValueDepth(c0));
273
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1 EXPECT_EQ( 3, tree.getValueDepth(c1));
274
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1 EXPECT_TRUE(tree.isValueOn(c0));
275
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1 EXPECT_TRUE(tree.isValueOn(c1));
276
277 struct Local {
278
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1 static inline void minOp(float& f, bool& b) { f = std::min(f, 15.f); b = true; }
279
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1 static inline void maxOp(float& f, bool& b) { f = std::max(f, 12.f); b = true; }
280 1 static inline void sumOp(float& f, bool& b) { f += /*background=*/5.f; b = true; }
281 };
282
283
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1 openvdb::tools::setValueOnMin(tree, c0, 15.0);
284 tree.modifyValueAndActiveState(c1, Local::minOp);
285
286
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1 ASSERT_DOUBLES_EXACTLY_EQUAL(10.0, tree.getValue(c0));
287
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1 ASSERT_DOUBLES_EXACTLY_EQUAL(15.0, tree.getValue(c1));
288
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1 openvdb::tools::setValueOnMax(tree, c0, 12.0);
290 tree.modifyValueAndActiveState(c1, Local::maxOp);
291
292
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1 ASSERT_DOUBLES_EXACTLY_EQUAL(12.0, tree.getValue(c0));
293
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1 ASSERT_DOUBLES_EXACTLY_EQUAL(15.0, tree.getValue(c1));
294
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1 EXPECT_EQ(2, int(tree.activeVoxelCount()));
295
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1 const openvdb::math::MinMax<float> extrema = openvdb::tools::minMax(tree);
297
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1 ASSERT_DOUBLES_EXACTLY_EQUAL(12.0, extrema.min());
298
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1 ASSERT_DOUBLES_EXACTLY_EQUAL(15.0, extrema.max());
299
300 tree.setValueOff(c0, background);
301
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1 ASSERT_DOUBLES_EXACTLY_EQUAL(background, tree.getValue(c0));
303
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1 ASSERT_DOUBLES_EXACTLY_EQUAL(15.0, tree.getValue(c1));
304
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1 EXPECT_EQ(1, int(tree.activeVoxelCount()));
305
306
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1 openvdb::tools::setValueOnSum(tree, c0, background);
307 tree.modifyValueAndActiveState(c1, Local::sumOp);
308
309
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1 ASSERT_DOUBLES_EXACTLY_EQUAL(2*background, tree.getValue(c0));
310
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1 ASSERT_DOUBLES_EXACTLY_EQUAL(15.0+background, tree.getValue(c1));
311
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1 EXPECT_EQ(2, int(tree.activeVoxelCount()));
312
313 // Test the extremes of the coordinate range
314
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1 ASSERT_DOUBLES_EXACTLY_EQUAL(background, tree.getValue(openvdb::Coord::min()));
315
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1 ASSERT_DOUBLES_EXACTLY_EQUAL(background, tree.getValue(openvdb::Coord::max()));
316 //std::cerr << "min=" << openvdb::Coord::min() << " max= " << openvdb::Coord::max() << "\n";
317
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1 tree.setValue(openvdb::Coord::min(), 1.0f);
318
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2 tree.setValue(openvdb::Coord::max(), 2.0f);
319
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1 ASSERT_DOUBLES_EXACTLY_EQUAL(1.0f, tree.getValue(openvdb::Coord::min()));
320
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1 ASSERT_DOUBLES_EXACTLY_EQUAL(2.0f, tree.getValue(openvdb::Coord::max()));
321 1 }
322
323
324
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1 TEST_F(TestTree, testSetValueOnly)
325 {
326 1 const float background = 5.0f;
327 2 openvdb::FloatTree tree(background);
328 const openvdb::Coord c0( 5, 10, 20), c1(-5,-10,-20);
329
330
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1 ASSERT_DOUBLES_EXACTLY_EQUAL(background, tree.getValue(c0));
331
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1 ASSERT_DOUBLES_EXACTLY_EQUAL(background, tree.getValue(c1));
332
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1 EXPECT_EQ(-1, tree.getValueDepth(c0));
333
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1 EXPECT_EQ(-1, tree.getValueDepth(c1));
334
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1 EXPECT_TRUE(tree.isValueOff(c0));
335
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1 EXPECT_TRUE(tree.isValueOff(c1));
336
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2 tree.setValueOnly(c0, 10.0);
338
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1 ASSERT_DOUBLES_EXACTLY_EQUAL(10.0, tree.getValue(c0));
340
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1 ASSERT_DOUBLES_EXACTLY_EQUAL(background, tree.getValue(c1));
341
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1 EXPECT_EQ( 3, tree.getValueDepth(c0));
342
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1 EXPECT_EQ(-1, tree.getValueDepth(c1));
343
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1 EXPECT_EQ( 3, tree.getValueDepth(openvdb::Coord(7, 10, 20)));
344
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1 EXPECT_EQ( 2, tree.getValueDepth(openvdb::Coord(8, 10, 20)));
345
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1 EXPECT_TRUE(tree.isValueOff(c0));
346
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1 EXPECT_TRUE(tree.isValueOff(c1));
347
348
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2 tree.setValueOnly(c1, 20.0);
349
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1 ASSERT_DOUBLES_EXACTLY_EQUAL(10.0, tree.getValue(c0));
351
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1 ASSERT_DOUBLES_EXACTLY_EQUAL(20.0, tree.getValue(c1));
352
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1 EXPECT_EQ( 3, tree.getValueDepth(c0));
353
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1 EXPECT_EQ( 3, tree.getValueDepth(c1));
354
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1 EXPECT_TRUE(tree.isValueOff(c0));
355
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1 EXPECT_TRUE(tree.isValueOff(c1));
356
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2 tree.setValue(c0, 30.0);
358
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1 ASSERT_DOUBLES_EXACTLY_EQUAL(30.0, tree.getValue(c0));
360
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1 ASSERT_DOUBLES_EXACTLY_EQUAL(20.0, tree.getValue(c1));
361
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1 EXPECT_EQ( 3, tree.getValueDepth(c0));
362
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1 EXPECT_EQ( 3, tree.getValueDepth(c1));
363
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1 EXPECT_TRUE(tree.isValueOn(c0));
364
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1 EXPECT_TRUE(tree.isValueOff(c1));
365
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2 tree.setValueOnly(c0, 40.0);
367
368
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369
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1 ASSERT_DOUBLES_EXACTLY_EQUAL(20.0, tree.getValue(c1));
370
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1 EXPECT_EQ( 3, tree.getValueDepth(c0));
371
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1 EXPECT_EQ( 3, tree.getValueDepth(c1));
372
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1 EXPECT_TRUE(tree.isValueOn(c0));
373
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1 EXPECT_TRUE(tree.isValueOff(c1));
374
375
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1 EXPECT_EQ(1, int(tree.activeVoxelCount()));
376 1 }
377
378 namespace {
379
380 // Simple float wrapper with required interface to be used as ValueType in tree::LeafNode
381 // Throws on copy-construction to ensure that all modifications are done in-place.
382 struct FloatThrowOnCopy
383 {
384 float value = 0.0f;
385
386 using T = FloatThrowOnCopy;
387
388
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1024 FloatThrowOnCopy() = default;
389
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5 explicit FloatThrowOnCopy(float _value): value(_value) { }
390
391 FloatThrowOnCopy(const FloatThrowOnCopy&) { throw openvdb::RuntimeError("No Copy"); }
392 FloatThrowOnCopy& operator=(const FloatThrowOnCopy&) = default;
393
394 T operator+(const float rhs) const { return T(value + rhs); }
395 T operator-() const { return T(-value); }
396 bool operator<(const T& other) const { return value < other.value; }
397 bool operator>(const T& other) const { return value > other.value; }
398 bool operator==(const T& other) const { return value == other.value; }
399
400 friend std::ostream& operator<<(std::ostream &stream, const T& other)
401 {
402 stream << other.value;
403 return stream;
404 }
405 };
406
407 } // namespace
408
409 namespace openvdb {
410 OPENVDB_USE_VERSION_NAMESPACE
411 namespace OPENVDB_VERSION_NAME {
412 namespace math {
413
414 OPENVDB_EXACT_IS_APPROX_EQUAL(FloatThrowOnCopy)
415
416 } // namespace math
417
418 template<>
419 inline std::string
420 TypedMetadata<FloatThrowOnCopy>::str() const { return ""; }
421
422 template <>
423 inline std::string
424 TypedMetadata<FloatThrowOnCopy>::typeName() const { return ""; }
425
426 } // namespace OPENVDB_VERSION_NAME
427 } // namespace openvdb
428
429
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1 TEST_F(TestTree, testSetValueInPlace)
430 {
431 using FloatThrowOnCopyTree = openvdb::tree::Tree4<FloatThrowOnCopy, 5, 4, 3>::Type;
432 using FloatThrowOnCopyGrid = openvdb::Grid<FloatThrowOnCopyTree>;
433
434 1 FloatThrowOnCopyGrid::registerGrid();
435
436 2 FloatThrowOnCopyTree tree;
437 const openvdb::Coord c0(5, 10, 20), c1(-5,-10,-20);
438
439 // tile values can legitimately be copied to assess whether a change in value
440 // requires the tile to be voxelized, so activate and voxelize active tiles first
441
442 tree.setActiveState(c0, true);
443 tree.setActiveState(c1, true);
444
445 tree.voxelizeActiveTiles(/*threaded=*/true);
446
447
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3 EXPECT_NO_THROW(tree.modifyValue(c0,
448 [](FloatThrowOnCopy& lhs) { lhs.value = 1.4f; }
449 ));
450
451
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3 EXPECT_NO_THROW(tree.modifyValueAndActiveState(c1,
452 [](FloatThrowOnCopy& lhs, bool& b) { lhs.value = 2.7f; b = false; }
453 ));
454
455
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1 EXPECT_NEAR(1.4f, tree.getValue(c0).value, 1.0e-7);
456
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1 EXPECT_NEAR(2.7f, tree.getValue(c1).value, 1.0e-7);
457
458
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1 EXPECT_TRUE(tree.isValueOn(c0));
459
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1 EXPECT_TRUE(!tree.isValueOn(c1));
460
461 // use slower de-allocation to ensure that no value copying occurs
462
463 1 tree.root().clear();
464 1 }
465
466
467
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2 TEST_F(TestTree, testResize)
468 {
469 ValueType background=5.0f;
470 //use this when resize is implemented
471 RootNodeType root_node(background);
472 EXPECT_TRUE(root_node.getLevel()==3);
473
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1 ASSERT_DOUBLES_EXACTLY_EQUAL(background, root_node.getValue(openvdb::Coord(5,10,20)));
474 //fprintf(stdout,"Root grid dim=(%i,%i,%i)\n",
475 // root_node.getGridDim(0), root_node.getGridDim(1), root_node.getGridDim(2));
476
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1 root_node.setValueOn(openvdb::Coord(5,10,20),0.234f);
477
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1 ASSERT_DOUBLES_EXACTLY_EQUAL(root_node.getValue(openvdb::Coord(5,10,20)) , 0.234f);
478
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1 root_node.setValueOn(openvdb::Coord(500,200,300),4.5678f);
479
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1 ASSERT_DOUBLES_EXACTLY_EQUAL(root_node.getValue(openvdb::Coord(500,200,300)) , 4.5678f);
480 {
481 ValueType sum=0.0f;
482 1 for (RootNodeType::ChildOnIter root_iter = root_node.beginChildOn();
483
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2 root_iter.test(); ++root_iter)
484 {
485 for (InternalNodeType2::ChildOnIter internal_iter2 = root_iter->beginChildOn();
486
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3 internal_iter2.test(); ++internal_iter2)
487 {
488 for (InternalNodeType1::ChildOnIter internal_iter1 =
489
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4 internal_iter2->beginChildOn(); internal_iter1.test(); ++internal_iter1)
490 {
491 for (LeafNodeType::ValueOnIter block_iter =
492
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4 internal_iter1->beginValueOn(); block_iter.test(); ++block_iter)
493 {
494 2 sum += *block_iter;
495 }
496 }
497 }
498 }
499
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1 ASSERT_DOUBLES_EXACTLY_EQUAL(sum, (0.234f + 4.5678f));
500 }
501
502 EXPECT_TRUE(root_node.getLevel()==3);
503
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1 ASSERT_DOUBLES_EXACTLY_EQUAL(background, root_node.getValue(openvdb::Coord(5,11,20)));
504 {
505 ValueType sum=0.0f;
506 1 for (RootNodeType::ChildOnIter root_iter = root_node.beginChildOn();
507
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2 root_iter.test(); ++root_iter)
508 {
509 for (InternalNodeType2::ChildOnIter internal_iter2 = root_iter->beginChildOn();
510
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3 internal_iter2.test(); ++internal_iter2)
511 {
512 for (InternalNodeType1::ChildOnIter internal_iter1 =
513
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4 internal_iter2->beginChildOn(); internal_iter1.test(); ++internal_iter1)
514 {
515 for (LeafNodeType::ValueOnIter block_iter =
516
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4 internal_iter1->beginValueOn(); block_iter.test(); ++block_iter)
517 {
518 2 sum += *block_iter;
519 }
520 }
521 }
522 }
523
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1 ASSERT_DOUBLES_EXACTLY_EQUAL(sum, (0.234f + 4.5678f));
524 }
525
526 1 }
527
528
529
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1 TEST_F(TestTree, testHasSameTopology)
530 {
531 // Test using trees of the same type.
532 {
533 1 const float background1=5.0f;
534 2 openvdb::FloatTree tree1(background1);
535
536 1 const float background2=6.0f;
537 2 openvdb::FloatTree tree2(background2);
538
539
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1 EXPECT_TRUE(tree1.hasSameTopology(tree2));
540
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1 EXPECT_TRUE(tree2.hasSameTopology(tree1));
541
542
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2 tree1.setValue(openvdb::Coord(-10,40,845),3.456f);
543
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1 EXPECT_TRUE(!tree1.hasSameTopology(tree2));
544
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1 EXPECT_TRUE(!tree2.hasSameTopology(tree1));
545
546
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2 tree2.setValue(openvdb::Coord(-10,40,845),-3.456f);
547
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1 EXPECT_TRUE(tree1.hasSameTopology(tree2));
548
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1 EXPECT_TRUE(tree2.hasSameTopology(tree1));
549
550
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2 tree1.setValue(openvdb::Coord(1,-500,-8), 1.0f);
551
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1 EXPECT_TRUE(!tree1.hasSameTopology(tree2));
552
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1 EXPECT_TRUE(!tree2.hasSameTopology(tree1));
553
554
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2 tree2.setValue(openvdb::Coord(1,-500,-8),1.0f);
555
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556
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1 EXPECT_TRUE(tree2.hasSameTopology(tree1));
557 }
558 // Test using trees of different types.
559 {
560 1 const float background1=5.0f;
561 2 openvdb::FloatTree tree1(background1);
562
563 const openvdb::Vec3f background2(1.0f,3.4f,6.0f);
564 2 openvdb::Vec3fTree tree2(background2);
565
566
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567
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1 EXPECT_TRUE(tree2.hasSameTopology(tree1));
568
569
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2 tree1.setValue(openvdb::Coord(-10,40,845),3.456f);
570
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1 EXPECT_TRUE(!tree1.hasSameTopology(tree2));
571
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1 EXPECT_TRUE(!tree2.hasSameTopology(tree1));
572
573
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1 tree2.setValue(openvdb::Coord(-10,40,845),openvdb::Vec3f(1.0f,2.0f,-3.0f));
574
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1 EXPECT_TRUE(tree1.hasSameTopology(tree2));
575
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1 EXPECT_TRUE(tree2.hasSameTopology(tree1));
576
577
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2 tree1.setValue(openvdb::Coord(1,-500,-8), 1.0f);
578
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1 EXPECT_TRUE(!tree1.hasSameTopology(tree2));
579
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1 EXPECT_TRUE(!tree2.hasSameTopology(tree1));
580
581
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1 tree2.setValue(openvdb::Coord(1,-500,-8),openvdb::Vec3f(1.0f,2.0f,-3.0f));
582
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1 EXPECT_TRUE(tree1.hasSameTopology(tree2));
583
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1 EXPECT_TRUE(tree2.hasSameTopology(tree1));
584 }
585 1 }
586
587
588
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1 TEST_F(TestTree, testTopologyCopy)
589 {
590 // Test using trees of the same type.
591 {
592 1 const float background1=5.0f;
593 2 openvdb::FloatTree tree1(background1);
594
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1 tree1.setValue(openvdb::Coord(-10,40,845),3.456f);
595
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1 tree1.setValue(openvdb::Coord(1,-50,-8), 1.0f);
596
597 1 const float background2=6.0f, setValue2=3.0f;
598
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2 openvdb::FloatTree tree2(tree1,background2,setValue2,openvdb::TopologyCopy());
599
600
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1 EXPECT_TRUE(tree1.hasSameTopology(tree2));
601
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1 EXPECT_TRUE(tree2.hasSameTopology(tree1));
602
603
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1 ASSERT_DOUBLES_EXACTLY_EQUAL(background2, tree2.getValue(openvdb::Coord(1,2,3)));
604
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1 ASSERT_DOUBLES_EXACTLY_EQUAL(setValue2, tree2.getValue(openvdb::Coord(-10,40,845)));
605
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1 ASSERT_DOUBLES_EXACTLY_EQUAL(setValue2, tree2.getValue(openvdb::Coord(1,-50,-8)));
606
607
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2 tree1.setValue(openvdb::Coord(1,-500,-8), 1.0f);
608
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1 EXPECT_TRUE(!tree1.hasSameTopology(tree2));
609
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1 EXPECT_TRUE(!tree2.hasSameTopology(tree1));
610
611
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2 tree2.setValue(openvdb::Coord(1,-500,-8),1.0f);
612
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1 EXPECT_TRUE(tree1.hasSameTopology(tree2));
613
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1 EXPECT_TRUE(tree2.hasSameTopology(tree1));
614 }
615 // Test using trees of different types.
616 {
617 const openvdb::Vec3f background1(1.0f,3.4f,6.0f);
618 2 openvdb::Vec3fTree tree1(background1);
619
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1 tree1.setValue(openvdb::Coord(-10,40,845),openvdb::Vec3f(3.456f,-2.3f,5.6f));
620 tree1.setValue(openvdb::Coord(1,-50,-8), openvdb::Vec3f(1.0f,3.0f,4.5f));
621
622 1 const float background2=6.0f, setValue2=3.0f;
623
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2 openvdb::FloatTree tree2(tree1,background2,setValue2,openvdb::TopologyCopy());
624
625
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1 EXPECT_TRUE(tree1.hasSameTopology(tree2));
626
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1 EXPECT_TRUE(tree2.hasSameTopology(tree1));
627
628
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1 ASSERT_DOUBLES_EXACTLY_EQUAL(background2, tree2.getValue(openvdb::Coord(1,2,3)));
629
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1 ASSERT_DOUBLES_EXACTLY_EQUAL(setValue2, tree2.getValue(openvdb::Coord(-10,40,845)));
630
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1 ASSERT_DOUBLES_EXACTLY_EQUAL(setValue2, tree2.getValue(openvdb::Coord(1,-50,-8)));
631
632
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1 tree1.setValue(openvdb::Coord(1,-500,-8), openvdb::Vec3f(1.0f,0.0f,-3.0f));
633
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634
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635
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2 tree2.setValue(openvdb::Coord(1,-500,-8), 1.0f);
637
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638
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639 }
640 1 }
641
642
643
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2 TEST_F(TestTree, testIterators)
644 {
645 ValueType background=5.0f;
646 RootNodeType root_node(background);
647
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1 root_node.setValueOn(openvdb::Coord(5,10,20),0.234f);
648
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1 root_node.setValueOn(openvdb::Coord(50000,20000,30000),4.5678f);
649 {
650 ValueType sum=0.0f;
651 1 for (RootNodeType::ChildOnIter root_iter = root_node.beginChildOn();
652
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3 root_iter.test(); ++root_iter)
653 {
654 for (InternalNodeType2::ChildOnIter internal_iter2 = root_iter->beginChildOn();
655
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4 internal_iter2.test(); ++internal_iter2)
656 {
657 for (InternalNodeType1::ChildOnIter internal_iter1 =
658
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4 internal_iter2->beginChildOn(); internal_iter1.test(); ++internal_iter1)
659 {
660 for (LeafNodeType::ValueOnIter block_iter =
661
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4 internal_iter1->beginValueOn(); block_iter.test(); ++block_iter)
662 {
663 2 sum += *block_iter;
664 }
665 }
666 }
667 }
668
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1 ASSERT_DOUBLES_EXACTLY_EQUAL((0.234f + 4.5678f), sum);
669 }
670 {
671 // As above, but using dense iterators.
672 1 ValueType sum = 0.0f, val = 0.0f;
673 1 for (RootNodeType::ChildAllIter rootIter = root_node.beginChildAll();
674
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3 rootIter.test(); ++rootIter)
675 {
676
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2 if (!rootIter.isChildNode()) continue;
677
678 for (InternalNodeType2::ChildAllIter internalIter2 =
679
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65540 rootIter.probeChild(val)->beginChildAll(); internalIter2; ++internalIter2)
680 {
681
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65536 if (!internalIter2.isChildNode()) continue;
682
683 for (InternalNodeType1::ChildAllIter internalIter1 =
684
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8196 internalIter2.probeChild(val)->beginChildAll(); internalIter1; ++internalIter1)
685 {
686
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8192 if (!internalIter1.isChildNode()) continue;
687
688 for (LeafNodeType::ValueOnIter leafIter =
689
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4 internalIter1.probeChild(val)->beginValueOn(); leafIter; ++leafIter)
690 {
691 2 sum += *leafIter;
692 }
693 }
694 }
695 }
696
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1 ASSERT_DOUBLES_EXACTLY_EQUAL((0.234f + 4.5678f), sum);
697 }
698 {
699 ValueType v_sum=0.0f;
700 openvdb::Coord xyz0, xyz1, xyz2, xyz3, xyzSum(0, 0, 0);
701 1 for (RootNodeType::ChildOnIter root_iter = root_node.beginChildOn();
702
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3 root_iter.test(); ++root_iter)
703 {
704 root_iter.getCoord(xyz3);
705 for (InternalNodeType2::ChildOnIter internal_iter2 = root_iter->beginChildOn();
706
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4 internal_iter2.test(); ++internal_iter2)
707 {
708 internal_iter2.getCoord(xyz2);
709
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2 xyz2 = xyz2 - internal_iter2.parent().origin();
710 for (InternalNodeType1::ChildOnIter internal_iter1 =
711
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4 internal_iter2->beginChildOn(); internal_iter1.test(); ++internal_iter1)
712 {
713 internal_iter1.getCoord(xyz1);
714
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2 xyz1 = xyz1 - internal_iter1.parent().origin();
715 for (LeafNodeType::ValueOnIter block_iter =
716
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4 internal_iter1->beginValueOn(); block_iter.test(); ++block_iter)
717 {
718 block_iter.getCoord(xyz0);
719
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2 xyz0 = xyz0 - block_iter.parent().origin();
720 2 v_sum += *block_iter;
721 2 xyzSum = xyzSum + xyz0 + xyz1 + xyz2 + xyz3;
722 }
723 }
724 }
725 }
726
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1 ASSERT_DOUBLES_EXACTLY_EQUAL((0.234f + 4.5678f), v_sum);
727
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1 EXPECT_EQ(openvdb::Coord(5 + 50000, 10 + 20000, 20 + 30000), xyzSum);
728 }
729 1 }
730
731
732
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2 TEST_F(TestTree, testIO)
733 {
734 const char* filename = "testIO.dbg";
735 openvdb::SharedPtr<const char> scopedFile(filename, ::remove);
736 {
737 ValueType background=5.0f;
738 RootNodeType root_node(background);
739
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1 root_node.setValueOn(openvdb::Coord(5,10,20),0.234f);
740
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1 root_node.setValueOn(openvdb::Coord(50000,20000,30000),4.5678f);
741
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2 std::ofstream os(filename, std::ios_base::binary);
743
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1 root_node.writeTopology(os);
744
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1 root_node.writeBuffers(os);
745
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1 EXPECT_TRUE(!os.fail());
746 }
747 {
748 ValueType background=2.0f;
749 RootNodeType root_node(background);
750
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1 ASSERT_DOUBLES_EXACTLY_EQUAL(background, root_node.getValue(openvdb::Coord(5,10,20)));
751 {
752
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2 std::ifstream is(filename, std::ios_base::binary);
753 // Since the test file doesn't include a VDB header with file format version info,
754 // tag the input stream explicitly with the current version number.
755
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1 openvdb::io::setCurrentVersion(is);
756
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1 root_node.readTopology(is);
757
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1 root_node.readBuffers(is);
758
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1 EXPECT_TRUE(!is.fail());
759 }
760
761
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1 ASSERT_DOUBLES_EXACTLY_EQUAL(0.234f, root_node.getValue(openvdb::Coord(5,10,20)));
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1 ASSERT_DOUBLES_EXACTLY_EQUAL(5.0f, root_node.getValue(openvdb::Coord(5,11,20)));
763 ValueType sum=0.0f;
764 1 for (RootNodeType::ChildOnIter root_iter = root_node.beginChildOn();
765
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3 root_iter.test(); ++root_iter)
766 {
767 for (InternalNodeType2::ChildOnIter internal_iter2 = root_iter->beginChildOn();
768
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4 internal_iter2.test(); ++internal_iter2)
769 {
770 for (InternalNodeType1::ChildOnIter internal_iter1 =
771
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4 internal_iter2->beginChildOn(); internal_iter1.test(); ++internal_iter1)
772 {
773 for (LeafNodeType::ValueOnIter block_iter =
774
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4 internal_iter1->beginValueOn(); block_iter.test(); ++block_iter)
775 {
776 2 sum += *block_iter;
777 }
778 }
779 }
780 }
781
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1 ASSERT_DOUBLES_EXACTLY_EQUAL(sum, (0.234f + 4.5678f));
782 }
783 1 }
784
785
786
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1 TEST_F(TestTree, testNegativeIndexing)
787 {
788 1 ValueType background=5.0f;
789 2 openvdb::FloatTree tree(background);
790
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1 EXPECT_TRUE(tree.empty());
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1 ASSERT_DOUBLES_EXACTLY_EQUAL(tree.getValue(openvdb::Coord(5,-10,20)), background);
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1 ASSERT_DOUBLES_EXACTLY_EQUAL(tree.getValue(openvdb::Coord(-5000,2000,3000)), background);
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1 tree.setValue(openvdb::Coord( 5, 10, 20),0.0f);
794
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1 tree.setValue(openvdb::Coord(-5, 10, 20),0.1f);
795
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1 tree.setValue(openvdb::Coord( 5,-10, 20),0.2f);
796
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1 tree.setValue(openvdb::Coord( 5, 10,-20),0.3f);
797
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1 tree.setValue(openvdb::Coord(-5,-10, 20),0.4f);
798
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1 tree.setValue(openvdb::Coord(-5, 10,-20),0.5f);
799
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1 tree.setValue(openvdb::Coord( 5,-10,-20),0.6f);
800
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1 tree.setValue(openvdb::Coord(-5,-10,-20),0.7f);
801
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1 tree.setValue(openvdb::Coord(-5000, 2000,-3000),4.5678f);
802
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1 tree.setValue(openvdb::Coord( 5000,-2000,-3000),4.5678f);
803
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2 tree.setValue(openvdb::Coord(-5000,-2000, 3000),4.5678f);
804
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1 ASSERT_DOUBLES_EXACTLY_EQUAL(0.0f, tree.getValue(openvdb::Coord( 5, 10, 20)));
805
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1 ASSERT_DOUBLES_EXACTLY_EQUAL(0.1f, tree.getValue(openvdb::Coord(-5, 10, 20)));
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1 ASSERT_DOUBLES_EXACTLY_EQUAL(0.2f, tree.getValue(openvdb::Coord( 5,-10, 20)));
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1 ASSERT_DOUBLES_EXACTLY_EQUAL(0.3f, tree.getValue(openvdb::Coord( 5, 10,-20)));
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1 ASSERT_DOUBLES_EXACTLY_EQUAL(0.4f, tree.getValue(openvdb::Coord(-5,-10, 20)));
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1 ASSERT_DOUBLES_EXACTLY_EQUAL(0.5f, tree.getValue(openvdb::Coord(-5, 10,-20)));
810
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1 ASSERT_DOUBLES_EXACTLY_EQUAL(0.6f, tree.getValue(openvdb::Coord( 5,-10,-20)));
811
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1 ASSERT_DOUBLES_EXACTLY_EQUAL(0.7f, tree.getValue(openvdb::Coord(-5,-10,-20)));
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1 ASSERT_DOUBLES_EXACTLY_EQUAL(4.5678f, tree.getValue(openvdb::Coord(-5000, 2000,-3000)));
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1 ASSERT_DOUBLES_EXACTLY_EQUAL(4.5678f, tree.getValue(openvdb::Coord( 5000,-2000,-3000)));
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1 ASSERT_DOUBLES_EXACTLY_EQUAL(4.5678f, tree.getValue(openvdb::Coord(-5000,-2000, 3000)));
815 int count=0;
816
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51 for (int i =-25; i<25; ++i) {
817
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2550 for (int j=-25; j<25; ++j) {
818
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127500 for (int k=-25; k<25; ++k) {
819
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125000 if (tree.getValue(openvdb::Coord(i,j,k))<1.0f) {
820 //fprintf(stderr,"(%i,%i,%i)=%f\n",i,j,k,tree.getValue(openvdb::Coord(i,j,k)));
821 8 ++count;
822 }
823 }
824 }
825 }
826
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1 EXPECT_TRUE(count == 8);
827 int count2 = 0;
828 openvdb::Coord xyz;
829
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12 for (openvdb::FloatTree::ValueOnCIter iter = tree.cbeginValueOn(); iter; ++iter) {
830
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11 ++count2;
831 xyz = iter.getCoord();
832 //std::cerr << xyz << " = " << *iter << "\n";
833 }
834
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1 EXPECT_TRUE(count2 == 11);
835
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1 EXPECT_TRUE(tree.activeVoxelCount() == 11);
836 {
837 count2 = 0;
838
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12 for (openvdb::FloatTree::ValueOnCIter iter = tree.cbeginValueOn(); iter; ++iter) {
839
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11 ++count2;
840 xyz = iter.getCoord();
841 //std::cerr << xyz << " = " << *iter << "\n";
842 }
843
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1 EXPECT_TRUE(count2 == 11);
844
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1 EXPECT_TRUE(tree.activeVoxelCount() == 11);
845 }
846 1 }
847
848
849
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1 TEST_F(TestTree, testDeepCopy)
850 {
851 // set up a tree
852 1 const float fillValue1=5.0f;
853 2 openvdb::FloatTree tree1(fillValue1);
854
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1 tree1.setValue(openvdb::Coord(-10,40,845), 3.456f);
855
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1 tree1.setValue(openvdb::Coord(1,-50,-8), 1.0f);
856
857 // make a deep copy of the tree
858
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1 openvdb::TreeBase::Ptr newTree = tree1.copy();
859
860 // cast down to the concrete type to query values
861
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1 openvdb::FloatTree *pTree2 = dynamic_cast<openvdb::FloatTree *>(newTree.get());
862
863 // compare topology
864
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1 EXPECT_TRUE(tree1.hasSameTopology(*pTree2));
865
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1 EXPECT_TRUE(pTree2->hasSameTopology(tree1));
866
867 // trees should be equal
868
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1 ASSERT_DOUBLES_EXACTLY_EQUAL(fillValue1, pTree2->getValue(openvdb::Coord(1,2,3)));
869
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1 ASSERT_DOUBLES_EXACTLY_EQUAL(3.456f, pTree2->getValue(openvdb::Coord(-10,40,845)));
870
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1 ASSERT_DOUBLES_EXACTLY_EQUAL(1.0f, pTree2->getValue(openvdb::Coord(1,-50,-8)));
871
872 // change 1 value in tree2
873 openvdb::Coord changeCoord(1, -500, -8);
874
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2 pTree2->setValue(changeCoord, 1.0f);
875
876 // topology should no longer match
877
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1 EXPECT_TRUE(!tree1.hasSameTopology(*pTree2));
878
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1 EXPECT_TRUE(!pTree2->hasSameTopology(tree1));
879
880 // query changed value and make sure it's different between trees
881
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1 ASSERT_DOUBLES_EXACTLY_EQUAL(fillValue1, tree1.getValue(changeCoord));
882
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1 ASSERT_DOUBLES_EXACTLY_EQUAL(1.0f, pTree2->getValue(changeCoord));
883 1 }
884
885
886
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1 TEST_F(TestTree, testMerge)
887 {
888 1 ValueType background=5.0f;
889 2 openvdb::FloatTree tree0(background), tree1(background), tree2(background);
890
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1 EXPECT_TRUE(tree2.empty());
891
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1 tree0.setValue(openvdb::Coord( 5, 10, 20),0.0f);
892
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1 tree0.setValue(openvdb::Coord(-5, 10, 20),0.1f);
893
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1 tree0.setValue(openvdb::Coord( 5,-10, 20),0.2f);
894
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1 tree0.setValue(openvdb::Coord( 5, 10,-20),0.3f);
895
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1 tree1.setValue(openvdb::Coord( 5, 10, 20),0.0f);
896
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1 tree1.setValue(openvdb::Coord(-5, 10, 20),0.1f);
897
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1 tree1.setValue(openvdb::Coord( 5,-10, 20),0.2f);
898
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1 tree1.setValue(openvdb::Coord( 5, 10,-20),0.3f);
899
900
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1 tree0.setValue(openvdb::Coord(-5,-10, 20),0.4f);
901
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1 tree0.setValue(openvdb::Coord(-5, 10,-20),0.5f);
902
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1 tree0.setValue(openvdb::Coord( 5,-10,-20),0.6f);
903
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1 tree0.setValue(openvdb::Coord(-5,-10,-20),0.7f);
904
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1 tree0.setValue(openvdb::Coord(-5000, 2000,-3000),4.5678f);
905
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1 tree0.setValue(openvdb::Coord( 5000,-2000,-3000),4.5678f);
906
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1 tree0.setValue(openvdb::Coord(-5000,-2000, 3000),4.5678f);
907
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1 tree2.setValue(openvdb::Coord(-5,-10, 20),0.4f);
908
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1 tree2.setValue(openvdb::Coord(-5, 10,-20),0.5f);
909
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1 tree2.setValue(openvdb::Coord( 5,-10,-20),0.6f);
910
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1 tree2.setValue(openvdb::Coord(-5,-10,-20),0.7f);
911
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1 tree2.setValue(openvdb::Coord(-5000, 2000,-3000),4.5678f);
912
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1 tree2.setValue(openvdb::Coord( 5000,-2000,-3000),4.5678f);
913
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2 tree2.setValue(openvdb::Coord(-5000,-2000, 3000),4.5678f);
914
915
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1 EXPECT_TRUE(tree0.leafCount()!=tree1.leafCount());
916
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1 EXPECT_TRUE(tree0.leafCount()!=tree2.leafCount());
917
918
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1 EXPECT_TRUE(!tree2.empty());
919
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1 tree1.merge(tree2, openvdb::MERGE_ACTIVE_STATES);
920
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1 EXPECT_TRUE(tree2.empty());
921
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1 EXPECT_TRUE(tree0.leafCount()==tree1.leafCount());
922
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1 EXPECT_TRUE(tree0.nonLeafCount()==tree1.nonLeafCount());
923
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1 EXPECT_TRUE(tree0.activeLeafVoxelCount()==tree1.activeLeafVoxelCount());
924
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1 EXPECT_TRUE(tree0.inactiveLeafVoxelCount()==tree1.inactiveLeafVoxelCount());
925
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1 EXPECT_TRUE(tree0.activeVoxelCount()==tree1.activeVoxelCount());
926
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1 EXPECT_TRUE(tree0.inactiveVoxelCount()==tree1.inactiveVoxelCount());
927
928
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12 for (openvdb::FloatTree::ValueOnCIter iter0 = tree0.cbeginValueOn(); iter0; ++iter0) {
929
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11 ASSERT_DOUBLES_EXACTLY_EQUAL(*iter0,tree1.getValue(iter0.getCoord()));
930 }
931
932 // Test active tile support.
933 {
934 using namespace openvdb;
935 2 FloatTree treeA(/*background*/0.0), treeB(/*background*/0.0);
936
937
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1 treeA.fill(CoordBBox(Coord(16,16,16), Coord(31,31,31)), /*value*/1.0);
938
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2 treeB.fill(CoordBBox(Coord(0,0,0), Coord(15,15,15)), /*value*/1.0);
939
940
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1 EXPECT_EQ(4096, int(treeA.activeVoxelCount()));
941
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1 EXPECT_EQ(4096, int(treeB.activeVoxelCount()));
942
943
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1 treeA.merge(treeB, MERGE_ACTIVE_STATES);
944
945
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1 EXPECT_EQ(8192, int(treeA.activeVoxelCount()));
946
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1 EXPECT_EQ(0, int(treeB.activeVoxelCount()));
947 }
948
949
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1 doTestMerge<openvdb::FloatTree>(openvdb::MERGE_NODES);
950
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1 doTestMerge<openvdb::FloatTree>(openvdb::MERGE_ACTIVE_STATES);
951
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1 doTestMerge<openvdb::FloatTree>(openvdb::MERGE_ACTIVE_STATES_AND_NODES);
952
953
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1 doTestMerge<openvdb::BoolTree>(openvdb::MERGE_NODES);
954
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1 doTestMerge<openvdb::BoolTree>(openvdb::MERGE_ACTIVE_STATES);
955
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1 doTestMerge<openvdb::BoolTree>(openvdb::MERGE_ACTIVE_STATES_AND_NODES);
956 1 }
957
958
959 template<typename TreeType>
960 void
961 12 TestTree::doTestMerge(openvdb::MergePolicy policy)
962 {
963 using namespace openvdb;
964
965 24 TreeType treeA, treeB;
966
967 using RootT = typename TreeType::RootNodeType;
968 using LeafT = typename TreeType::LeafNodeType;
969
970
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12 const typename TreeType::ValueType val(1);
971 const int
972 depth = static_cast<int>(treeA.treeDepth()),
973 leafDim = static_cast<int>(LeafT::dim()),
974 leafSize = static_cast<int>(LeafT::size());
975 // Coords that are in a different top-level branch than (0, 0, 0)
976 const Coord pos(static_cast<int>(RootT::getChildDim()));
977
978 treeA.setValueOff(pos, val);
979
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24 treeA.setValueOff(-pos, val);
980
981
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12 treeB.setValueOff(Coord(0), val);
982
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24 treeB.fill(CoordBBox(pos, pos.offsetBy(leafDim - 1)), val, /*active=*/true);
983
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24 treeB.setValueOn(-pos, val);
984
985 // treeA treeB .
986 // .
987 // R R .
988 // / \ /|\ .
989 // I I I I I .
990 // / \ / | \ .
991 // I I I I I .
992 // / \ / | on x SIZE .
993 // L L L L .
994 // off off on off .
995
996
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12 EXPECT_EQ(0, int(treeA.activeVoxelCount()));
997
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12 EXPECT_EQ(leafSize + 1, int(treeB.activeVoxelCount()));
998
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12 EXPECT_EQ(2, int(treeA.leafCount()));
999
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12 EXPECT_EQ(2, int(treeB.leafCount()));
1000
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12 EXPECT_EQ(2*(depth-2)+1, int(treeA.nonLeafCount())); // 2 branches (II+II+R)
1001
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12 EXPECT_EQ(3*(depth-2)+1, int(treeB.nonLeafCount())); // 3 branches (II+II+II+R)
1002
1003
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12 treeA.merge(treeB, policy);
1004
1005 // MERGE_NODES MERGE_ACTIVE_STATES MERGE_ACTIVE_STATES_AND_NODES .
1006 // .
1007 // R R R .
1008 // /|\ /|\ /|\ .
1009 // I I I I I I I I I .
1010 // / | \ / | \ / | \ .
1011 // I I I I I I I I I .
1012 // / | \ / | on x SIZE / | \ .
1013 // L L L L L L L L .
1014 // off off off on off on off on x SIZE .
1015
1016
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12 switch (policy) {
1017 case MERGE_NODES:
1018
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4 EXPECT_EQ(0, int(treeA.activeVoxelCount()));
1019
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4 EXPECT_EQ(2 + 1, int(treeA.leafCount())); // 1 leaf node stolen from B
1020
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4 EXPECT_EQ(3*(depth-2)+1, int(treeA.nonLeafCount())); // 3 branches (II+II+II+R)
1021 4 break;
1022 case MERGE_ACTIVE_STATES:
1023
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4 EXPECT_EQ(2, int(treeA.leafCount())); // 1 leaf stolen, 1 replaced with tile
1024
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4 EXPECT_EQ(3*(depth-2)+1, int(treeA.nonLeafCount())); // 3 branches (II+II+II+R)
1025
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4 EXPECT_EQ(leafSize + 1, int(treeA.activeVoxelCount()));
1026 4 break;
1027 case MERGE_ACTIVE_STATES_AND_NODES:
1028
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4 EXPECT_EQ(2 + 1, int(treeA.leafCount())); // 1 leaf node stolen from B
1029
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4 EXPECT_EQ(3*(depth-2)+1, int(treeA.nonLeafCount())); // 3 branches (II+II+II+R)
1030
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4 EXPECT_EQ(leafSize + 1, int(treeA.activeVoxelCount()));
1031 4 break;
1032 }
1033
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12 EXPECT_TRUE(treeB.empty());
1034 12 }
1035
1036
1037
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1 TEST_F(TestTree, testVoxelizeActiveTiles)
1038 {
1039 using openvdb::CoordBBox;
1040 using openvdb::Coord;
1041 // Use a small custom tree so we don't run out of memory when
1042 // tiles are converted to dense leafs :)
1043 using MyTree = openvdb::tree::Tree4<float,2, 2, 2>::Type;
1044 1 float background=5.0f;
1045 const Coord xyz[] = {Coord(-1,-2,-3),Coord( 1, 2, 3)};
1046 //check two leaf nodes and two tiles at each level 1, 2 and 3
1047 1 const int tile_size[4]={0, 1<<2, 1<<(2*2), 1<<(3*2)};
1048 // serial version
1049
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5 for (int level=0; level<=3; ++level) {
1050
1051 8 MyTree tree(background);
1052
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4 EXPECT_EQ(-1,tree.getValueDepth(xyz[0]));
1053
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4 EXPECT_EQ(-1,tree.getValueDepth(xyz[1]));
1054
1055
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4 if (level==0) {
1056
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1 tree.setValue(xyz[0], 1.0f);
1057
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2 tree.setValue(xyz[1], 1.0f);
1058 } else {
1059 3 const int n = tile_size[level];
1060 3 tree.fill(CoordBBox::createCube(Coord(-n,-n,-n), n), 1.0f, true);
1061 6 tree.fill(CoordBBox::createCube(Coord( 0, 0, 0), n), 1.0f, true);
1062 }
1063
1064
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4 EXPECT_EQ(3-level,tree.getValueDepth(xyz[0]));
1065
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4 EXPECT_EQ(3-level,tree.getValueDepth(xyz[1]));
1066
1067 tree.voxelizeActiveTiles(false);
1068
1069
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4 EXPECT_EQ(3 ,tree.getValueDepth(xyz[0]));
1070
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4 EXPECT_EQ(3 ,tree.getValueDepth(xyz[1]));
1071 }
1072 // multi-threaded version
1073
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5 for (int level=0; level<=3; ++level) {
1074
1075 8 MyTree tree(background);
1076
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4 EXPECT_EQ(-1,tree.getValueDepth(xyz[0]));
1077
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4 EXPECT_EQ(-1,tree.getValueDepth(xyz[1]));
1078
1079
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4 if (level==0) {
1080
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1 tree.setValue(xyz[0], 1.0f);
1081
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2 tree.setValue(xyz[1], 1.0f);
1082 } else {
1083 3 const int n = tile_size[level];
1084 3 tree.fill(CoordBBox::createCube(Coord(-n,-n,-n), n), 1.0f, true);
1085 6 tree.fill(CoordBBox::createCube(Coord( 0, 0, 0), n), 1.0f, true);
1086 }
1087
1088
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4 EXPECT_EQ(3-level,tree.getValueDepth(xyz[0]));
1089
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4 EXPECT_EQ(3-level,tree.getValueDepth(xyz[1]));
1090
1091 tree.voxelizeActiveTiles(true);
1092
1093
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4 EXPECT_EQ(3 ,tree.getValueDepth(xyz[0]));
1094
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4 EXPECT_EQ(3 ,tree.getValueDepth(xyz[1]));
1095 }
1096 #if 0
1097 const CoordBBox bbox(openvdb::Coord(-30,-50,-30), openvdb::Coord(530,610,623));
1098 {// benchmark serial
1099 MyTree tree(background);
1100 tree.sparseFill( bbox, 1.0f, /*state*/true);
1101 openvdb::util::CpuTimer timer("\nserial voxelizeActiveTiles");
1102 tree.voxelizeActiveTiles(/*threaded*/false);
1103 timer.stop();
1104 }
1105 {// benchmark parallel
1106 MyTree tree(background);
1107 tree.sparseFill( bbox, 1.0f, /*state*/true);
1108 openvdb::util::CpuTimer timer("\nparallel voxelizeActiveTiles");
1109 tree.voxelizeActiveTiles(/*threaded*/true);
1110 timer.stop();
1111 }
1112 #endif
1113 1 }
1114
1115
1116
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1 TEST_F(TestTree, testTopologyUnion)
1117 {
1118 {//super simple test with only two active values
1119 1 const ValueType background=0.0f;
1120 2 openvdb::FloatTree tree0(background), tree1(background);
1121
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1 tree0.setValue(openvdb::Coord( 500, 300, 200), 1.0f);
1122
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1 tree1.setValue(openvdb::Coord( 8, 11, 11), 2.0f);
1123
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2 openvdb::FloatTree tree2(tree1);
1124
1125 tree1.topologyUnion(tree0);
1126
1127
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2 for (openvdb::FloatTree::ValueOnCIter iter = tree0.cbeginValueOn(); iter; ++iter) {
1128
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1 EXPECT_TRUE(tree1.isValueOn(iter.getCoord()));
1129 }
1130
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2 for (openvdb::FloatTree::ValueOnCIter iter = tree2.cbeginValueOn(); iter; ++iter) {
1131
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1 EXPECT_TRUE(tree1.isValueOn(iter.getCoord()));
1132 }
1133
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3 for (openvdb::FloatTree::ValueOnCIter iter = tree1.cbeginValueOn(); iter; ++iter) {
1134
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2 ASSERT_DOUBLES_EXACTLY_EQUAL(*iter,tree2.getValue(iter.getCoord()));
1135 }
1136 }
1137 {// test using setValue
1138 1 ValueType background=5.0f;
1139 2 openvdb::FloatTree tree0(background), tree1(background), tree2(background);
1140
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1 EXPECT_TRUE(tree2.empty());
1141 // tree0 = tree1.topologyUnion(tree2)
1142
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1 tree0.setValue(openvdb::Coord( 5, 10, 20),0.0f);
1143
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1 tree0.setValue(openvdb::Coord(-5, 10, 20),0.1f);
1144
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1 tree0.setValue(openvdb::Coord( 5,-10, 20),0.2f);
1145
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1 tree0.setValue(openvdb::Coord( 5, 10,-20),0.3f);
1146
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1 tree1.setValue(openvdb::Coord( 5, 10, 20),0.0f);
1147
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1 tree1.setValue(openvdb::Coord(-5, 10, 20),0.1f);
1148
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1 tree1.setValue(openvdb::Coord( 5,-10, 20),0.2f);
1149
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1150
1151
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1 tree0.setValue(openvdb::Coord(-5,-10, 20),background);
1152
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1 tree0.setValue(openvdb::Coord(-5, 10,-20),background);
1153
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1 tree0.setValue(openvdb::Coord( 5,-10,-20),background);
1154
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1 tree0.setValue(openvdb::Coord(-5,-10,-20),background);
1155
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1 tree0.setValue(openvdb::Coord(-5000, 2000,-3000),background);
1156
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1 tree0.setValue(openvdb::Coord( 5000,-2000,-3000),background);
1157 1 tree0.setValue(openvdb::Coord(-5000,-2000, 3000),background);
1158
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1 tree2.setValue(openvdb::Coord(-5,-10, 20),0.4f);
1159
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1 tree2.setValue(openvdb::Coord(-5, 10,-20),0.5f);
1160
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1 tree2.setValue(openvdb::Coord( 5,-10,-20),0.6f);
1161
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1 tree2.setValue(openvdb::Coord(-5,-10,-20),0.7f);
1162
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1 tree2.setValue(openvdb::Coord(-5000, 2000,-3000),4.5678f);
1163
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1 tree2.setValue(openvdb::Coord( 5000,-2000,-3000),4.5678f);
1164
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2 tree2.setValue(openvdb::Coord(-5000,-2000, 3000),4.5678f);
1165
1166 // tree3 has the same topology as tree2 but a different value type
1167 const openvdb::Vec3f background2(1.0f,3.4f,6.0f), vec_val(3.1f,5.3f,-9.5f);
1168 2 openvdb::Vec3fTree tree3(background2);
1169
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8 for (openvdb::FloatTree::ValueOnCIter iter2 = tree2.cbeginValueOn(); iter2; ++iter2) {
1170
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14 tree3.setValue(iter2.getCoord(), vec_val);
1171 }
1172
1173
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1 EXPECT_TRUE(tree0.leafCount()!=tree1.leafCount());
1174
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1 EXPECT_TRUE(tree0.leafCount()!=tree2.leafCount());
1175
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1 EXPECT_TRUE(tree0.leafCount()!=tree3.leafCount());
1176
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1 EXPECT_TRUE(!tree2.empty());
1178
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1 EXPECT_TRUE(!tree3.empty());
1179
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2 openvdb::FloatTree tree1_copy(tree1);
1180
1181 //tree1.topologyUnion(tree2);//should make tree1 = tree0
1182 tree1.topologyUnion(tree3);//should make tree1 = tree0
1183
1184
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1 EXPECT_TRUE(tree0.leafCount()==tree1.leafCount());
1185
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1 EXPECT_TRUE(tree0.nonLeafCount()==tree1.nonLeafCount());
1186
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1 EXPECT_TRUE(tree0.activeLeafVoxelCount()==tree1.activeLeafVoxelCount());
1187
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1 EXPECT_TRUE(tree0.inactiveLeafVoxelCount()==tree1.inactiveLeafVoxelCount());
1188
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1 EXPECT_TRUE(tree0.activeVoxelCount()==tree1.activeVoxelCount());
1189
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1 EXPECT_TRUE(tree0.inactiveVoxelCount()==tree1.inactiveVoxelCount());
1190
1191
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1 EXPECT_TRUE(tree1.hasSameTopology(tree0));
1192
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1 EXPECT_TRUE(tree0.hasSameTopology(tree1));
1193
1194
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8 for (openvdb::FloatTree::ValueOnCIter iter2 = tree2.cbeginValueOn(); iter2; ++iter2) {
1195
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7 EXPECT_TRUE(tree1.isValueOn(iter2.getCoord()));
1196 }
1197
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12 for (openvdb::FloatTree::ValueOnCIter iter1 = tree1.cbeginValueOn(); iter1; ++iter1) {
1198
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11 EXPECT_TRUE(tree0.isValueOn(iter1.getCoord()));
1199 }
1200
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12 for (openvdb::FloatTree::ValueOnCIter iter0 = tree0.cbeginValueOn(); iter0; ++iter0) {
1201
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11 EXPECT_TRUE(tree1.isValueOn(iter0.getCoord()));
1202
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11 ASSERT_DOUBLES_EXACTLY_EQUAL(*iter0,tree1.getValue(iter0.getCoord()));
1203 }
1204
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5 for (openvdb::FloatTree::ValueOnCIter iter = tree1_copy.cbeginValueOn(); iter; ++iter) {
1205
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4 EXPECT_TRUE(tree1.isValueOn(iter.getCoord()));
1206
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4 ASSERT_DOUBLES_EXACTLY_EQUAL(*iter,tree1.getValue(iter.getCoord()));
1207 }
1208
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12 for (openvdb::FloatTree::ValueOnCIter iter = tree1.cbeginValueOn(); iter; ++iter) {
1209 11 const openvdb::Coord p = iter.getCoord();
1210
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19 EXPECT_TRUE(tree3.isValueOn(p) || tree1_copy.isValueOn(p));
1211 }
1212 }
1213 {
1214 1 ValueType background=5.0f;
1215 2 openvdb::FloatTree tree0(background), tree1(background), tree2(background);
1216
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1 EXPECT_TRUE(tree2.empty());
1217 // tree0 = tree1.topologyUnion(tree2)
1218
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1 tree0.setValue(openvdb::Coord( 5, 10, 20),0.0f);
1219
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1 tree0.setValue(openvdb::Coord(-5, 10, 20),0.1f);
1220
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1 tree0.setValue(openvdb::Coord( 5,-10, 20),0.2f);
1221
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1 tree0.setValue(openvdb::Coord( 5, 10,-20),0.3f);
1222
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1 tree1.setValue(openvdb::Coord( 5, 10, 20),0.0f);
1223
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1 tree1.setValue(openvdb::Coord(-5, 10, 20),0.1f);
1224
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1 tree1.setValue(openvdb::Coord( 5,-10, 20),0.2f);
1225
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2 tree1.setValue(openvdb::Coord( 5, 10,-20),0.3f);
1226
1227
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1 tree0.setValue(openvdb::Coord(-5,-10, 20),background);
1228
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1 tree0.setValue(openvdb::Coord(-5, 10,-20),background);
1229
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1 tree0.setValue(openvdb::Coord( 5,-10,-20),background);
1230
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1 tree0.setValue(openvdb::Coord(-5,-10,-20),background);
1231
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1 tree0.setValue(openvdb::Coord(-5000, 2000,-3000),background);
1232
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1 tree0.setValue(openvdb::Coord( 5000,-2000,-3000),background);
1233 1 tree0.setValue(openvdb::Coord(-5000,-2000, 3000),background);
1234
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1 tree2.setValue(openvdb::Coord(-5,-10, 20),0.4f);
1235
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1 tree2.setValue(openvdb::Coord(-5, 10,-20),0.5f);
1236
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1 tree2.setValue(openvdb::Coord( 5,-10,-20),0.6f);
1237
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1 tree2.setValue(openvdb::Coord(-5,-10,-20),0.7f);
1238
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1 tree2.setValue(openvdb::Coord(-5000, 2000,-3000),4.5678f);
1239
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1 tree2.setValue(openvdb::Coord( 5000,-2000,-3000),4.5678f);
1240
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2 tree2.setValue(openvdb::Coord(-5000,-2000, 3000),4.5678f);
1241
1242 // tree3 has the same topology as tree2 but a different value type
1243 const openvdb::Vec3f background2(1.0f,3.4f,6.0f), vec_val(3.1f,5.3f,-9.5f);
1244 2 openvdb::Vec3fTree tree3(background2);
1245
1246
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8 for (openvdb::FloatTree::ValueOnCIter iter2 = tree2.cbeginValueOn(); iter2; ++iter2) {
1247
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14 tree3.setValue(iter2.getCoord(), vec_val);
1248 }
1249
1250
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2 openvdb::FloatTree tree4(tree1);//tree4 = tree1
1251
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2 openvdb::FloatTree tree5(tree1);//tree5 = tree1
1252
1253 tree1.topologyUnion(tree3);//should make tree1 = tree0
1254
1255
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1 EXPECT_TRUE(tree1.hasSameTopology(tree0));
1256
1257
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8 for (openvdb::Vec3fTree::ValueOnCIter iter3 = tree3.cbeginValueOn(); iter3; ++iter3) {
1258
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14 tree4.setValueOn(iter3.getCoord());
1259
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7 const openvdb::Coord p = iter3.getCoord();
1260
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7 ASSERT_DOUBLES_EXACTLY_EQUAL(tree1.getValue(p),tree5.getValue(p));
1261
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7 ASSERT_DOUBLES_EXACTLY_EQUAL(tree4.getValue(p),tree5.getValue(p));
1262 }
1263
1264
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1 EXPECT_TRUE(tree4.hasSameTopology(tree0));
1265
1266
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12 for (openvdb::FloatTree::ValueOnCIter iter4 = tree4.cbeginValueOn(); iter4; ++iter4) {
1267
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11 const openvdb::Coord p = iter4.getCoord();
1268
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11 ASSERT_DOUBLES_EXACTLY_EQUAL(tree0.getValue(p),tree5.getValue(p));
1269
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11 ASSERT_DOUBLES_EXACTLY_EQUAL(tree1.getValue(p),tree5.getValue(p));
1270
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11 ASSERT_DOUBLES_EXACTLY_EQUAL(tree4.getValue(p),tree5.getValue(p));
1271 }
1272
1273
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12 for (openvdb::FloatTree::ValueOnCIter iter = tree1.cbeginValueOn(); iter; ++iter) {
1274 11 const openvdb::Coord p = iter.getCoord();
1275
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19 EXPECT_TRUE(tree3.isValueOn(p) || tree4.isValueOn(p));
1276 }
1277 }
1278 {// test overlapping spheres
1279 1 const float background=5.0f, R0=10.0f, R1=5.6f;
1280 const openvdb::Vec3f C0(35.0f, 30.0f, 40.0f), C1(22.3f, 30.5f, 31.0f);
1281 const openvdb::Coord dim(32, 32, 32);
1282 2 openvdb::FloatGrid grid0(background);
1283
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2 openvdb::FloatGrid grid1(background);
1284
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1 unittest_util::makeSphere<openvdb::FloatGrid>(dim, C0, R0, grid0,
1285 1.0f, unittest_util::SPHERE_SPARSE_NARROW_BAND);
1286
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1 unittest_util::makeSphere<openvdb::FloatGrid>(dim, C1, R1, grid1,
1287 1.0f, unittest_util::SPHERE_SPARSE_NARROW_BAND);
1288 openvdb::FloatTree& tree0 = grid0.tree();
1289 openvdb::FloatTree& tree1 = grid1.tree();
1290
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2 openvdb::FloatTree tree0_copy(tree0);
1291
1292 tree0.topologyUnion(tree1);
1293
1294 const openvdb::Index64 n0 = tree0_copy.activeVoxelCount();
1295
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1 const openvdb::Index64 n = tree0.activeVoxelCount();
1296
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1 const openvdb::Index64 n1 = tree1.activeVoxelCount();
1297
1298 //fprintf(stderr,"Union of spheres: n=%i, n0=%i n1=%i n0+n1=%i\n",n,n0,n1, n0+n1);
1299
1300
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1 EXPECT_TRUE( n > n0 );
1301
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1 EXPECT_TRUE( n > n1 );
1302
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1 EXPECT_TRUE( n < n0 + n1 );
1303
1304
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1506 for (openvdb::FloatTree::ValueOnCIter iter = tree1.cbeginValueOn(); iter; ++iter) {
1305 1505 const openvdb::Coord p = iter.getCoord();
1306
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1505 EXPECT_TRUE(tree0.isValueOn(p));
1307
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1505 ASSERT_DOUBLES_EXACTLY_EQUAL(tree0.getValue(p), tree0_copy.getValue(p));
1308 }
1309
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289 for (openvdb::FloatTree::ValueOnCIter iter = tree0_copy.cbeginValueOn(); iter; ++iter) {
1310 288 const openvdb::Coord p = iter.getCoord();
1311
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288 EXPECT_TRUE(tree0.isValueOn(p));
1312
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288 ASSERT_DOUBLES_EXACTLY_EQUAL(tree0.getValue(p), *iter);
1313 }
1314 }
1315
1316 {// test union of a leaf and a tile
1317 if (openvdb::FloatTree::DEPTH > 2) {
1318 1 const int leafLevel = openvdb::FloatTree::DEPTH - 1;
1319 const int tileLevel = leafLevel - 1;
1320 const openvdb::Coord xyz(0);
1321
1322 2 openvdb::FloatTree tree0;
1323
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2 tree0.addTile(tileLevel, xyz, /*value=*/0, /*activeState=*/true);
1324
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1 EXPECT_TRUE(tree0.isValueOn(xyz));
1325
1326 2 openvdb::FloatTree tree1;
1327 tree1.touchLeaf(xyz)->setValuesOn();
1328
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1 EXPECT_TRUE(tree1.isValueOn(xyz));
1329
1330 tree0.topologyUnion(tree1);
1331
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1 EXPECT_TRUE(tree0.isValueOn(xyz));
1332
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1 EXPECT_EQ(tree0.getValueDepth(xyz), leafLevel);
1333 }
1334 }
1335
1336 { // test preservation of source tiles
1337 using LeafT = openvdb::BoolTree::LeafNodeType;
1338 using InternalT1 = openvdb::BoolTree::RootNodeType::NodeChainType::Get<1>;
1339 using InternalT2 = openvdb::BoolTree::RootNodeType::NodeChainType::Get<2>;
1340 2 openvdb::BoolTree tree0, tree1;
1341 const openvdb::Coord xyz(0);
1342
1343
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2 tree0.addTile(1, xyz, true, true); // leaf level tile
1344 tree1.touchLeaf(xyz)->setValueOn(0); // single leaf
1345 tree0.topologyUnion(tree1, true); // single tile
1346
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1 EXPECT_EQ(openvdb::Index32(0), tree0.leafCount());
1347
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1 EXPECT_EQ(openvdb::Index32(3), tree0.nonLeafCount());
1348
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1 EXPECT_EQ(openvdb::Index64(1), tree0.activeTileCount());
1349
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1 EXPECT_EQ(openvdb::Index64(LeafT::NUM_VOXELS), tree0.activeVoxelCount());
1350
1351
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2 tree1.addTile(1, xyz + openvdb::Coord(8), true, true); // leaf + tile
1352 tree0.topologyUnion(tree1, true); // two tiles
1353
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1 EXPECT_EQ(openvdb::Index32(0), tree0.leafCount());
1354
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1 EXPECT_EQ(openvdb::Index32(3), tree0.nonLeafCount());
1355
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1 EXPECT_EQ(openvdb::Index64(2), tree0.activeTileCount());
1356
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1 EXPECT_EQ(openvdb::Index64(LeafT::NUM_VOXELS*2), tree0.activeVoxelCount());
1357
1358 // internal node level
1359
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1 tree0.clear();
1360
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2 tree0.addTile(2, xyz, true, true);
1361 tree0.topologyUnion(tree1, true); // all topology in tree1 is already active. no change
1362
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1 EXPECT_EQ(openvdb::Index32(0), tree0.leafCount());
1363
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1 EXPECT_EQ(openvdb::Index32(2), tree0.nonLeafCount());
1364
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1 EXPECT_EQ(openvdb::Index64(1), tree0.activeTileCount());
1365
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1 EXPECT_EQ(openvdb::Index64(InternalT1::NUM_VOXELS), tree0.activeVoxelCount());
1366
1367 // internal node level
1368
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1 tree0.clear();
1369
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2 tree0.addTile(3, xyz, true, true);
1370 tree0.topologyUnion(tree1, true);
1371
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1 EXPECT_EQ(openvdb::Index32(0), tree0.leafCount());
1372
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1 EXPECT_EQ(openvdb::Index32(1), tree0.nonLeafCount());
1373
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1 EXPECT_EQ(openvdb::Index64(1), tree0.activeTileCount());
1374
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1 EXPECT_EQ(openvdb::Index64(InternalT2::NUM_VOXELS), tree0.activeVoxelCount());
1375
1376 // larger tile in tree1 still forces child topology tree0
1377
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1 tree0.clear();
1378
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1 tree1.clear();
1379
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1 tree0.addTile(1, xyz, true, true);
1380
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2 tree1.addTile(2, xyz, true, true);
1381 tree0.topologyUnion(tree1, true);
1382
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1 EXPECT_EQ(openvdb::Index32(0), tree0.leafCount());
1383
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1 EXPECT_EQ(openvdb::Index32(3), tree0.nonLeafCount());
1384 openvdb::Index64 tiles = openvdb::Index64(InternalT1::DIM) / InternalT1::getChildDim();
1385
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1 tiles = tiles * tiles * tiles;
1386
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1 EXPECT_EQ(tiles, tree0.activeTileCount());
1387
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1 EXPECT_EQ(openvdb::Index64(InternalT1::NUM_VOXELS), tree0.activeVoxelCount());
1388 }
1389 1 }// testTopologyUnion
1390
1391
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1 TEST_F(TestTree, testTopologyIntersection)
1392 {
1393 {//no overlapping voxels
1394 1 const ValueType background=0.0f;
1395 2 openvdb::FloatTree tree0(background), tree1(background);
1396
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1 tree0.setValue(openvdb::Coord( 500, 300, 200), 1.0f);
1397
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2 tree1.setValue(openvdb::Coord( 8, 11, 11), 2.0f);
1398
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1 EXPECT_EQ(openvdb::Index64(1), tree0.activeVoxelCount());
1399
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1 EXPECT_EQ(openvdb::Index64(1), tree1.activeVoxelCount());
1400
1401 tree1.topologyIntersection(tree0);
1402
1403
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1 EXPECT_EQ(tree1.activeVoxelCount(), openvdb::Index64(0));
1404
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1 EXPECT_TRUE(!tree1.empty());
1405
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1 openvdb::tools::pruneInactive(tree1);
1406
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1 EXPECT_TRUE(tree1.empty());
1407 }
1408 {//two overlapping voxels
1409 1 const ValueType background=0.0f;
1410 2 openvdb::FloatTree tree0(background), tree1(background);
1411
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1 tree0.setValue(openvdb::Coord( 500, 300, 200), 1.0f);
1412
1413
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1 tree1.setValue(openvdb::Coord( 8, 11, 11), 2.0f);
1414
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2 tree1.setValue(openvdb::Coord( 500, 300, 200), 1.0f);
1415
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1 EXPECT_EQ( openvdb::Index64(1), tree0.activeVoxelCount() );
1416
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1 EXPECT_EQ( openvdb::Index64(2), tree1.activeVoxelCount() );
1417
1418 tree1.topologyIntersection(tree0);
1419
1420
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1 EXPECT_EQ( openvdb::Index64(1), tree1.activeVoxelCount() );
1421
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1 EXPECT_TRUE(!tree1.empty());
1422
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1 openvdb::tools::pruneInactive(tree1);
1423
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1 EXPECT_TRUE(!tree1.empty());
1424 }
1425 {//4 overlapping voxels
1426 1 const ValueType background=0.0f;
1427 2 openvdb::FloatTree tree0(background), tree1(background);
1428
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1 tree0.setValue(openvdb::Coord( 500, 300, 200), 1.0f);
1429
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1 tree0.setValue(openvdb::Coord( 400, 30, 20), 2.0f);
1430
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2 tree0.setValue(openvdb::Coord( 8, 11, 11), 3.0f);
1431
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1 EXPECT_EQ(openvdb::Index64(3), tree0.activeVoxelCount());
1432
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1 EXPECT_EQ(openvdb::Index32(3), tree0.leafCount() );
1433
1434
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1 tree1.setValue(openvdb::Coord( 500, 301, 200), 4.0f);
1435
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1 tree1.setValue(openvdb::Coord( 400, 30, 20), 5.0f);
1436
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2 tree1.setValue(openvdb::Coord( 8, 11, 11), 6.0f);
1437
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1 EXPECT_EQ(openvdb::Index64(3), tree1.activeVoxelCount());
1438
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1 EXPECT_EQ(openvdb::Index32(3), tree1.leafCount() );
1439
1440 tree1.topologyIntersection(tree0);
1441
1442
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1 EXPECT_EQ( openvdb::Index32(3), tree1.leafCount() );
1443
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1 EXPECT_EQ( openvdb::Index64(2), tree1.activeVoxelCount() );
1444
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1 EXPECT_TRUE(!tree1.empty());
1445
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1 openvdb::tools::pruneInactive(tree1);
1446
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1 EXPECT_TRUE(!tree1.empty());
1447
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1 EXPECT_EQ( openvdb::Index32(2), tree1.leafCount() );
1448
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1 EXPECT_EQ( openvdb::Index64(2), tree1.activeVoxelCount() );
1449 }
1450 {//passive tile
1451 1 const ValueType background=0.0f;
1452 const openvdb::Index64 dim = openvdb::FloatTree::RootNodeType::ChildNodeType::DIM;
1453 2 openvdb::FloatTree tree0(background), tree1(background);
1454
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2 tree0.fill(openvdb::CoordBBox(openvdb::Coord(0),openvdb::Coord(dim-1)),2.0f, false);
1455
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1 EXPECT_EQ(openvdb::Index64(0), tree0.activeVoxelCount());
1456
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1 EXPECT_EQ(openvdb::Index32(0), tree0.leafCount() );
1457
1458
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1 tree1.setValue(openvdb::Coord( 500, 301, 200), 4.0f);
1459
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1 tree1.setValue(openvdb::Coord( 400, 30, 20), 5.0f);
1460
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2 tree1.setValue(openvdb::Coord( dim, 11, 11), 6.0f);
1461
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1 EXPECT_EQ(openvdb::Index32(3), tree1.leafCount() );
1462
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1 EXPECT_EQ(openvdb::Index64(3), tree1.activeVoxelCount());
1463
1464 tree1.topologyIntersection(tree0);
1465
1466
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1 EXPECT_EQ( openvdb::Index32(0), tree1.leafCount() );
1467
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1 EXPECT_EQ( openvdb::Index64(0), tree1.activeVoxelCount() );
1468
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1 EXPECT_TRUE(tree1.empty());
1469 }
1470 {//active tile
1471 1 const ValueType background=0.0f;
1472 const openvdb::Index64 dim = openvdb::FloatTree::RootNodeType::ChildNodeType::DIM;
1473 2 openvdb::FloatTree tree0(background), tree1(background);
1474
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2 tree1.fill(openvdb::CoordBBox(openvdb::Coord(0),openvdb::Coord(dim-1)),2.0f, true);
1475
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1 EXPECT_EQ(dim*dim*dim, tree1.activeVoxelCount());
1476
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1 EXPECT_EQ(openvdb::Index32(0), tree1.leafCount() );
1477
1478
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1 tree0.setValue(openvdb::Coord( 500, 301, 200), 4.0f);
1479
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1 tree0.setValue(openvdb::Coord( 400, 30, 20), 5.0f);
1480
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2 tree0.setValue(openvdb::Coord( dim, 11, 11), 6.0f);
1481
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1 EXPECT_EQ(openvdb::Index64(3), tree0.activeVoxelCount());
1482
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1 EXPECT_EQ(openvdb::Index32(3), tree0.leafCount() );
1483
1484 tree1.topologyIntersection(tree0);
1485
1486
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1 EXPECT_EQ( openvdb::Index32(2), tree1.leafCount() );
1487
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1 EXPECT_EQ( openvdb::Index64(2), tree1.activeVoxelCount() );
1488
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1 EXPECT_TRUE(!tree1.empty());
1489
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1 openvdb::tools::pruneInactive(tree1);
1490
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1 EXPECT_TRUE(!tree1.empty());
1491 }
1492 {// use tree with different voxel type
1493 1 ValueType background=5.0f;
1494 2 openvdb::FloatTree tree0(background), tree1(background), tree2(background);
1495
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1 EXPECT_TRUE(tree2.empty());
1496 // tree0 = tree1.topologyIntersection(tree2)
1497
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1 tree0.setValue(openvdb::Coord( 5, 10, 20),0.0f);
1498
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1 tree0.setValue(openvdb::Coord(-5, 10,-20),0.1f);
1499
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1 tree0.setValue(openvdb::Coord( 5,-10,-20),0.2f);
1500
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1 tree0.setValue(openvdb::Coord(-5,-10,-20),0.3f);
1501
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1 tree1.setValue(openvdb::Coord( 5, 10, 20),0.0f);
1503
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1 tree1.setValue(openvdb::Coord(-5, 10,-20),0.1f);
1504
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1 tree1.setValue(openvdb::Coord( 5,-10,-20),0.2f);
1505
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1 tree1.setValue(openvdb::Coord(-5,-10,-20),0.3f);
1506
1507
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1 tree2.setValue(openvdb::Coord( 5, 10, 20),0.4f);
1508
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1 tree2.setValue(openvdb::Coord(-5, 10,-20),0.5f);
1509
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1 tree2.setValue(openvdb::Coord( 5,-10,-20),0.6f);
1510
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1 tree2.setValue(openvdb::Coord(-5,-10,-20),0.7f);
1511
1512
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1 tree2.setValue(openvdb::Coord(-5000, 2000,-3000),4.5678f);
1513
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1 tree2.setValue(openvdb::Coord( 5000,-2000,-3000),4.5678f);
1514
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1 tree2.setValue(openvdb::Coord(-5000,-2000, 3000),4.5678f);
1515
1516
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2 openvdb::FloatTree tree1_copy(tree1);
1517
1518 // tree3 has the same topology as tree2 but a different value type
1519 const openvdb::Vec3f background2(1.0f,3.4f,6.0f), vec_val(3.1f,5.3f,-9.5f);
1520 2 openvdb::Vec3fTree tree3(background2);
1521
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8 for (openvdb::FloatTree::ValueOnCIter iter = tree2.cbeginValueOn(); iter; ++iter) {
1522
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14 tree3.setValue(iter.getCoord(), vec_val);
1523 }
1524
1525
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1 EXPECT_EQ(openvdb::Index32(4), tree0.leafCount());
1526
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1 EXPECT_EQ(openvdb::Index32(4), tree1.leafCount());
1527
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1 EXPECT_EQ(openvdb::Index32(7), tree2.leafCount());
1528
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1 EXPECT_EQ(openvdb::Index32(7), tree3.leafCount());
1529
1530
1531 //tree1.topologyInterection(tree2);//should make tree1 = tree0
1532 tree1.topologyIntersection(tree3);//should make tree1 = tree0
1533
1534
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1 EXPECT_TRUE(tree0.leafCount()==tree1.leafCount());
1535
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1 EXPECT_TRUE(tree0.nonLeafCount()==tree1.nonLeafCount());
1536
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1 EXPECT_TRUE(tree0.activeLeafVoxelCount()==tree1.activeLeafVoxelCount());
1537
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1 EXPECT_TRUE(tree0.inactiveLeafVoxelCount()==tree1.inactiveLeafVoxelCount());
1538
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1 EXPECT_TRUE(tree0.activeVoxelCount()==tree1.activeVoxelCount());
1539
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1 EXPECT_TRUE(tree0.inactiveVoxelCount()==tree1.inactiveVoxelCount());
1540
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1 EXPECT_TRUE(tree1.hasSameTopology(tree0));
1541
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1 EXPECT_TRUE(tree0.hasSameTopology(tree1));
1542
1543
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5 for (openvdb::FloatTree::ValueOnCIter iter = tree0.cbeginValueOn(); iter; ++iter) {
1544 4 const openvdb::Coord p = iter.getCoord();
1545
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4 EXPECT_TRUE(tree1.isValueOn(p));
1546
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4 EXPECT_TRUE(tree2.isValueOn(p));
1547
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4 EXPECT_TRUE(tree3.isValueOn(p));
1548
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4 EXPECT_TRUE(tree1_copy.isValueOn(p));
1549
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4 ASSERT_DOUBLES_EXACTLY_EQUAL(*iter,tree1.getValue(p));
1550 }
1551
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5 for (openvdb::FloatTree::ValueOnCIter iter = tree1_copy.cbeginValueOn(); iter; ++iter) {
1552
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4 EXPECT_TRUE(tree1.isValueOn(iter.getCoord()));
1553
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4 ASSERT_DOUBLES_EXACTLY_EQUAL(*iter,tree1.getValue(iter.getCoord()));
1554 }
1555
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5 for (openvdb::FloatTree::ValueOnCIter iter = tree1.cbeginValueOn(); iter; ++iter) {
1556 4 const openvdb::Coord p = iter.getCoord();
1557
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4 EXPECT_TRUE(tree0.isValueOn(p));
1558
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4 EXPECT_TRUE(tree2.isValueOn(p));
1559
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4 EXPECT_TRUE(tree3.isValueOn(p));
1560
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4 EXPECT_TRUE(tree1_copy.isValueOn(p));
1561
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4 ASSERT_DOUBLES_EXACTLY_EQUAL(*iter,tree0.getValue(p));
1562 }
1563 }
1564
1565 {// test overlapping spheres
1566 1 const float background=5.0f, R0=10.0f, R1=5.6f;
1567 const openvdb::Vec3f C0(35.0f, 30.0f, 40.0f), C1(22.3f, 30.5f, 31.0f);
1568 const openvdb::Coord dim(32, 32, 32);
1569 2 openvdb::FloatGrid grid0(background);
1570
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2 openvdb::FloatGrid grid1(background);
1571
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1 unittest_util::makeSphere<openvdb::FloatGrid>(dim, C0, R0, grid0,
1572 1.0f, unittest_util::SPHERE_SPARSE_NARROW_BAND);
1573
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1 unittest_util::makeSphere<openvdb::FloatGrid>(dim, C1, R1, grid1,
1574 1.0f, unittest_util::SPHERE_SPARSE_NARROW_BAND);
1575 openvdb::FloatTree& tree0 = grid0.tree();
1576 openvdb::FloatTree& tree1 = grid1.tree();
1577
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2 openvdb::FloatTree tree0_copy(tree0);
1578
1579 tree0.topologyIntersection(tree1);
1580
1581 const openvdb::Index64 n0 = tree0_copy.activeVoxelCount();
1582
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1 const openvdb::Index64 n = tree0.activeVoxelCount();
1583
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1 const openvdb::Index64 n1 = tree1.activeVoxelCount();
1584
1585 //fprintf(stderr,"Intersection of spheres: n=%i, n0=%i n1=%i n0+n1=%i\n",n,n0,n1, n0+n1);
1586
1587
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1 EXPECT_TRUE( n < n0 );
1588
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1 EXPECT_TRUE( n < n1 );
1589
1590
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249 for (openvdb::FloatTree::ValueOnCIter iter = tree0.cbeginValueOn(); iter; ++iter) {
1591 248 const openvdb::Coord p = iter.getCoord();
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248 EXPECT_TRUE(tree1.isValueOn(p));
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248 EXPECT_TRUE(tree0_copy.isValueOn(p));
1594
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248 ASSERT_DOUBLES_EXACTLY_EQUAL(*iter, tree0_copy.getValue(p));
1595 }
1596 }
1597
1598 {// Test based on boolean grids
1599 1 openvdb::CoordBBox bigRegion(openvdb::Coord(-9), openvdb::Coord(10));
1600 1 openvdb::CoordBBox smallRegion(openvdb::Coord( 1), openvdb::Coord(10));
1601
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1 openvdb::BoolGrid::Ptr gridBig = openvdb::BoolGrid::create(false);
1603
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2 gridBig->fill(bigRegion, true/*value*/, true /*make active*/);
1604
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1 EXPECT_EQ(8, int(gridBig->tree().activeTileCount()));
1605
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1 EXPECT_EQ((20 * 20 * 20), int(gridBig->activeVoxelCount()));
1606
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1 openvdb::BoolGrid::Ptr gridSmall = openvdb::BoolGrid::create(false);
1608
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2 gridSmall->fill(smallRegion, true/*value*/, true /*make active*/);
1609
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1 EXPECT_EQ(0, int(gridSmall->tree().activeTileCount()));
1610
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1 EXPECT_EQ((10 * 10 * 10), int(gridSmall->activeVoxelCount()));
1611
1612 // change the topology of gridBig by intersecting with gridSmall
1613 gridBig->topologyIntersection(*gridSmall);
1614
1615 // Should be unchanged
1616
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1 EXPECT_EQ(0, int(gridSmall->tree().activeTileCount()));
1617
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1 EXPECT_EQ((10 * 10 * 10), int(gridSmall->activeVoxelCount()));
1618
1619 // In this case the interesection should be exactly "small"
1620
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1 EXPECT_EQ(0, int(gridBig->tree().activeTileCount()));
1621
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1 EXPECT_EQ((10 * 10 * 10), int(gridBig->activeVoxelCount()));
1622
1623 }
1624
1625 1 }// testTopologyIntersection
1626
1627
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1 TEST_F(TestTree, testTopologyDifference)
1628 {
1629 {//no overlapping voxels
1630 1 const ValueType background=0.0f;
1631 2 openvdb::FloatTree tree0(background), tree1(background);
1632
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1 tree0.setValue(openvdb::Coord( 500, 300, 200), 1.0f);
1633
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2 tree1.setValue(openvdb::Coord( 8, 11, 11), 2.0f);
1634
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1 EXPECT_EQ(openvdb::Index64(1), tree0.activeVoxelCount());
1635
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1 EXPECT_EQ(openvdb::Index64(1), tree1.activeVoxelCount());
1636
1637 tree1.topologyDifference(tree0);
1638
1639
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1 EXPECT_EQ(tree1.activeVoxelCount(), openvdb::Index64(1));
1640
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1 EXPECT_TRUE(!tree1.empty());
1641
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1 openvdb::tools::pruneInactive(tree1);
1642
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1 EXPECT_TRUE(!tree1.empty());
1643 }
1644 {//two overlapping voxels
1645 1 const ValueType background=0.0f;
1646 2 openvdb::FloatTree tree0(background), tree1(background);
1647
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1 tree0.setValue(openvdb::Coord( 500, 300, 200), 1.0f);
1648
1649
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1 tree1.setValue(openvdb::Coord( 8, 11, 11), 2.0f);
1650
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2 tree1.setValue(openvdb::Coord( 500, 300, 200), 1.0f);
1651
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1 EXPECT_EQ( openvdb::Index64(1), tree0.activeVoxelCount() );
1652
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1 EXPECT_EQ( openvdb::Index64(2), tree1.activeVoxelCount() );
1653
1654
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1 EXPECT_TRUE( tree0.isValueOn(openvdb::Coord( 500, 300, 200)));
1655
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1 EXPECT_TRUE( tree1.isValueOn(openvdb::Coord( 500, 300, 200)));
1656
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1 EXPECT_TRUE( tree1.isValueOn(openvdb::Coord( 8, 11, 11)));
1657
1658 tree1.topologyDifference(tree0);
1659
1660
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1 EXPECT_EQ( openvdb::Index64(1), tree1.activeVoxelCount() );
1661
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1 EXPECT_TRUE( tree0.isValueOn(openvdb::Coord( 500, 300, 200)));
1662
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1 EXPECT_TRUE(!tree1.isValueOn(openvdb::Coord( 500, 300, 200)));
1663
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1 EXPECT_TRUE( tree1.isValueOn(openvdb::Coord( 8, 11, 11)));
1664
1665
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1 EXPECT_TRUE(!tree1.empty());
1666
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1 openvdb::tools::pruneInactive(tree1);
1667
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1 EXPECT_TRUE(!tree1.empty());
1668 }
1669 {//4 overlapping voxels
1670 1 const ValueType background=0.0f;
1671 2 openvdb::FloatTree tree0(background), tree1(background);
1672
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1 tree0.setValue(openvdb::Coord( 500, 300, 200), 1.0f);
1673
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1 tree0.setValue(openvdb::Coord( 400, 30, 20), 2.0f);
1674
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2 tree0.setValue(openvdb::Coord( 8, 11, 11), 3.0f);
1675
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1 EXPECT_EQ(openvdb::Index64(3), tree0.activeVoxelCount());
1676
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1 EXPECT_EQ(openvdb::Index32(3), tree0.leafCount() );
1677
1678
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1 tree1.setValue(openvdb::Coord( 500, 301, 200), 4.0f);
1679
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1680
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2 tree1.setValue(openvdb::Coord( 8, 11, 11), 6.0f);
1681
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1682
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1683
1684 tree1.topologyDifference(tree0);
1685
1686
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1 EXPECT_EQ( openvdb::Index32(3), tree1.leafCount() );
1687
2/16
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1 EXPECT_EQ( openvdb::Index64(1), tree1.activeVoxelCount() );
1688
1/16
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1 EXPECT_TRUE(!tree1.empty());
1689
1/2
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1 openvdb::tools::pruneInactive(tree1);
1690
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1 EXPECT_TRUE(!tree1.empty());
1691
2/16
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1 EXPECT_EQ( openvdb::Index32(1), tree1.leafCount() );
1692
2/16
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1 EXPECT_EQ( openvdb::Index64(1), tree1.activeVoxelCount() );
1693 }
1694 {//passive tile
1695 1 const ValueType background=0.0f;
1696 const openvdb::Index64 dim = openvdb::FloatTree::RootNodeType::ChildNodeType::DIM;
1697 2 openvdb::FloatTree tree0(background), tree1(background);
1698
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2 tree0.fill(openvdb::CoordBBox(openvdb::Coord(0),openvdb::Coord(dim-1)),2.0f, false);
1699
2/16
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1 EXPECT_EQ(openvdb::Index64(0), tree0.activeVoxelCount());
1700
1/16
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1 EXPECT_TRUE(!tree0.hasActiveTiles());
1701
3/18
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1 EXPECT_EQ(openvdb::Index64(0), tree0.root().onTileCount());
1702
2/16
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1 EXPECT_EQ(openvdb::Index32(0), tree0.leafCount() );
1703
1704
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1 tree1.setValue(openvdb::Coord( 500, 301, 200), 4.0f);
1705
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1 tree1.setValue(openvdb::Coord( 400, 30, 20), 5.0f);
1706
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2 tree1.setValue(openvdb::Coord( dim, 11, 11), 6.0f);
1707
2/16
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1 EXPECT_EQ(openvdb::Index64(3), tree1.activeVoxelCount());
1708
1/16
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1 EXPECT_TRUE(!tree1.hasActiveTiles());
1709
2/16
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1 EXPECT_EQ(openvdb::Index32(3), tree1.leafCount() );
1710
1711 tree1.topologyDifference(tree0);
1712
1713
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1 EXPECT_EQ( openvdb::Index32(3), tree1.leafCount() );
1714
2/16
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1 EXPECT_EQ( openvdb::Index64(3), tree1.activeVoxelCount() );
1715
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1 EXPECT_TRUE(!tree1.empty());
1716
1/2
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1 openvdb::tools::pruneInactive(tree1);
1717
2/16
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1 EXPECT_EQ( openvdb::Index32(3), tree1.leafCount() );
1718
2/16
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1 EXPECT_EQ( openvdb::Index64(3), tree1.activeVoxelCount() );
1719
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1 EXPECT_TRUE(!tree1.empty());
1720 }
1721 {//active tile
1722 1 const ValueType background=0.0f;
1723 const openvdb::Index64 dim = openvdb::FloatTree::RootNodeType::ChildNodeType::DIM;
1724 2 openvdb::FloatTree tree0(background), tree1(background);
1725
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2 tree1.fill(openvdb::CoordBBox(openvdb::Coord(0),openvdb::Coord(dim-1)),2.0f, true);
1726
2/16
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1 EXPECT_EQ(dim*dim*dim, tree1.activeVoxelCount());
1727
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1 EXPECT_TRUE(tree1.hasActiveTiles());
1728
3/18
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1 EXPECT_EQ(openvdb::Index64(1), tree1.root().onTileCount());
1729
2/16
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1 EXPECT_EQ(openvdb::Index32(0), tree0.leafCount() );
1730
1731
1/2
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1 tree0.setValue(openvdb::Coord( 500, 301, 200), 4.0f);
1732
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1 tree0.setValue(openvdb::Coord( 400, 30, 20), 5.0f);
1733
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2 tree0.setValue(openvdb::Coord( int(dim), 11, 11), 6.0f);
1734
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1 EXPECT_TRUE(!tree0.hasActiveTiles());
1735
2/16
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1 EXPECT_EQ(openvdb::Index64(3), tree0.activeVoxelCount());
1736
2/16
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1 EXPECT_EQ(openvdb::Index32(3), tree0.leafCount() );
1737
1/16
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1 EXPECT_TRUE( tree0.isValueOn(openvdb::Coord( int(dim), 11, 11)));
1738
1/16
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1 EXPECT_TRUE(!tree1.isValueOn(openvdb::Coord( int(dim), 11, 11)));
1739
1740 tree1.topologyDifference(tree0);
1741
1742
2/18
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1 EXPECT_TRUE(tree1.root().onTileCount() > 1);
1743
2/16
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1 EXPECT_EQ( dim*dim*dim - 2, tree1.activeVoxelCount() );
1744
1/16
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1 EXPECT_TRUE(!tree1.empty());
1745
1/2
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1 openvdb::tools::pruneInactive(tree1);
1746
2/16
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1 EXPECT_EQ( dim*dim*dim - 2, tree1.activeVoxelCount() );
1747
1/16
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1 EXPECT_TRUE(!tree1.empty());
1748 }
1749 {//active tile
1750 1 const ValueType background=0.0f;
1751 const openvdb::Index64 dim = openvdb::FloatTree::RootNodeType::ChildNodeType::DIM;
1752 2 openvdb::FloatTree tree0(background), tree1(background);
1753
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2 tree1.fill(openvdb::CoordBBox(openvdb::Coord(0),openvdb::Coord(dim-1)),2.0f, true);
1754
2/16
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1 EXPECT_EQ(dim*dim*dim, tree1.activeVoxelCount());
1755
1/16
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1 EXPECT_TRUE(tree1.hasActiveTiles());
1756
3/18
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1 EXPECT_EQ(openvdb::Index64(1), tree1.root().onTileCount());
1757
2/16
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1 EXPECT_EQ(openvdb::Index32(0), tree0.leafCount() );
1758
1759
1/2
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1 tree0.setValue(openvdb::Coord( 500, 301, 200), 4.0f);
1760
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1 tree0.setValue(openvdb::Coord( 400, 30, 20), 5.0f);
1761
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2 tree0.setValue(openvdb::Coord( dim, 11, 11), 6.0f);
1762
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1 EXPECT_TRUE(!tree0.hasActiveTiles());
1763
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1 EXPECT_EQ(openvdb::Index64(3), tree0.activeVoxelCount());
1764
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1 EXPECT_EQ(openvdb::Index32(3), tree0.leafCount() );
1765
1766 tree0.topologyDifference(tree1);
1767
1768
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1 EXPECT_EQ( openvdb::Index32(1), tree0.leafCount() );
1769
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1 EXPECT_EQ( openvdb::Index64(1), tree0.activeVoxelCount() );
1770
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1 EXPECT_TRUE(!tree0.empty());
1771
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1 openvdb::tools::pruneInactive(tree0);
1772
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1 EXPECT_EQ( openvdb::Index32(1), tree0.leafCount() );
1773
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1 EXPECT_EQ( openvdb::Index64(1), tree0.activeVoxelCount() );
1774
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1 EXPECT_TRUE(!tree1.empty());
1775 }
1776 {// use tree with different voxel type
1777 1 ValueType background=5.0f;
1778 2 openvdb::FloatTree tree0(background), tree1(background), tree2(background);
1779
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1 EXPECT_TRUE(tree2.empty());
1780 // tree0 = tree1.topologyIntersection(tree2)
1781
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1 tree0.setValue(openvdb::Coord( 5, 10, 20),0.0f);
1782
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1 tree0.setValue(openvdb::Coord(-5, 10,-20),0.1f);
1783
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1 tree0.setValue(openvdb::Coord( 5,-10,-20),0.2f);
1784
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1 tree0.setValue(openvdb::Coord(-5,-10,-20),0.3f);
1785
1786
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1 tree1.setValue(openvdb::Coord( 5, 10, 20),0.0f);
1787
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1 tree1.setValue(openvdb::Coord(-5, 10,-20),0.1f);
1788
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1 tree1.setValue(openvdb::Coord( 5,-10,-20),0.2f);
1789
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1 tree1.setValue(openvdb::Coord(-5,-10,-20),0.3f);
1790
1791
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1 tree2.setValue(openvdb::Coord( 5, 10, 20),0.4f);
1792
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1 tree2.setValue(openvdb::Coord(-5, 10,-20),0.5f);
1793
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1 tree2.setValue(openvdb::Coord( 5,-10,-20),0.6f);
1794
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1 tree2.setValue(openvdb::Coord(-5,-10,-20),0.7f);
1795
1796
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1 tree2.setValue(openvdb::Coord(-5000, 2000,-3000),4.5678f);
1797
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1 tree2.setValue(openvdb::Coord( 5000,-2000,-3000),4.5678f);
1798
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1 tree2.setValue(openvdb::Coord(-5000,-2000, 3000),4.5678f);
1799
1800
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2 openvdb::FloatTree tree1_copy(tree1);
1801
1802 // tree3 has the same topology as tree2 but a different value type
1803 const openvdb::Vec3f background2(1.0f,3.4f,6.0f), vec_val(3.1f,5.3f,-9.5f);
1804 2 openvdb::Vec3fTree tree3(background2);
1805
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8 for (openvdb::FloatTree::ValueOnCIter iter = tree2.cbeginValueOn(); iter; ++iter) {
1806
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14 tree3.setValue(iter.getCoord(), vec_val);
1807 }
1808
1809
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1 EXPECT_EQ(openvdb::Index32(4), tree0.leafCount());
1810
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1 EXPECT_EQ(openvdb::Index32(4), tree1.leafCount());
1811
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1 EXPECT_EQ(openvdb::Index32(7), tree2.leafCount());
1812
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1 EXPECT_EQ(openvdb::Index32(7), tree3.leafCount());
1813
1814
1815 //tree1.topologyInterection(tree2);//should make tree1 = tree0
1816 tree1.topologyIntersection(tree3);//should make tree1 = tree0
1817
1818
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1 EXPECT_TRUE(tree0.leafCount()==tree1.leafCount());
1819
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1 EXPECT_TRUE(tree0.nonLeafCount()==tree1.nonLeafCount());
1820
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1 EXPECT_TRUE(tree0.activeLeafVoxelCount()==tree1.activeLeafVoxelCount());
1821
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1 EXPECT_TRUE(tree0.inactiveLeafVoxelCount()==tree1.inactiveLeafVoxelCount());
1822
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1 EXPECT_TRUE(tree0.activeVoxelCount()==tree1.activeVoxelCount());
1823
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1 EXPECT_TRUE(tree0.inactiveVoxelCount()==tree1.inactiveVoxelCount());
1824
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1 EXPECT_TRUE(tree1.hasSameTopology(tree0));
1825
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1 EXPECT_TRUE(tree0.hasSameTopology(tree1));
1826
1827
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5 for (openvdb::FloatTree::ValueOnCIter iter = tree0.cbeginValueOn(); iter; ++iter) {
1828 4 const openvdb::Coord p = iter.getCoord();
1829
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4 EXPECT_TRUE(tree1.isValueOn(p));
1830
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4 EXPECT_TRUE(tree2.isValueOn(p));
1831
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4 EXPECT_TRUE(tree3.isValueOn(p));
1832
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4 EXPECT_TRUE(tree1_copy.isValueOn(p));
1833
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4 ASSERT_DOUBLES_EXACTLY_EQUAL(*iter,tree1.getValue(p));
1834 }
1835
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5 for (openvdb::FloatTree::ValueOnCIter iter = tree1_copy.cbeginValueOn(); iter; ++iter) {
1836
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4 EXPECT_TRUE(tree1.isValueOn(iter.getCoord()));
1837
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4 ASSERT_DOUBLES_EXACTLY_EQUAL(*iter,tree1.getValue(iter.getCoord()));
1838 }
1839
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5 for (openvdb::FloatTree::ValueOnCIter iter = tree1.cbeginValueOn(); iter; ++iter) {
1840 4 const openvdb::Coord p = iter.getCoord();
1841
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4 EXPECT_TRUE(tree0.isValueOn(p));
1842
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4 EXPECT_TRUE(tree2.isValueOn(p));
1843
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4 EXPECT_TRUE(tree3.isValueOn(p));
1844
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4 EXPECT_TRUE(tree1_copy.isValueOn(p));
1845
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4 ASSERT_DOUBLES_EXACTLY_EQUAL(*iter,tree0.getValue(p));
1846 }
1847 }
1848 {// test overlapping spheres
1849 1 const float background=5.0f, R0=10.0f, R1=5.6f;
1850 const openvdb::Vec3f C0(35.0f, 30.0f, 40.0f), C1(22.3f, 30.5f, 31.0f);
1851 const openvdb::Coord dim(32, 32, 32);
1852 2 openvdb::FloatGrid grid0(background);
1853
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2 openvdb::FloatGrid grid1(background);
1854
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1 unittest_util::makeSphere<openvdb::FloatGrid>(dim, C0, R0, grid0,
1855 1.0f, unittest_util::SPHERE_SPARSE_NARROW_BAND);
1856
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1 unittest_util::makeSphere<openvdb::FloatGrid>(dim, C1, R1, grid1,
1857 1.0f, unittest_util::SPHERE_SPARSE_NARROW_BAND);
1858 openvdb::FloatTree& tree0 = grid0.tree();
1859 openvdb::FloatTree& tree1 = grid1.tree();
1860
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2 openvdb::FloatTree tree0_copy(tree0);
1861
1862 tree0.topologyDifference(tree1);
1863
1864 const openvdb::Index64 n0 = tree0_copy.activeVoxelCount();
1865
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1 const openvdb::Index64 n = tree0.activeVoxelCount();
1866
1867
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1 EXPECT_TRUE( n < n0 );
1868
1869
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41 for (openvdb::FloatTree::ValueOnCIter iter = tree0.cbeginValueOn(); iter; ++iter) {
1870 40 const openvdb::Coord p = iter.getCoord();
1871
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40 EXPECT_TRUE(tree1.isValueOff(p));
1872
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40 EXPECT_TRUE(tree0_copy.isValueOn(p));
1873
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40 ASSERT_DOUBLES_EXACTLY_EQUAL(*iter, tree0_copy.getValue(p));
1874 }
1875 }
1876 1 } // testTopologyDifference
1877
1878
1879 ////////////////////////////////////////
1880
1881
1882
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1 TEST_F(TestTree, testFill)
1883 {
1884 // Use a custom tree configuration to ensure we flood-fill at all levels!
1885 using LeafT = openvdb::tree::LeafNode<float,2>;//4^3
1886 using InternalT = openvdb::tree::InternalNode<LeafT,2>;//4^3
1887 using RootT = openvdb::tree::RootNode<InternalT>;// child nodes are 16^3
1888 using TreeT = openvdb::tree::Tree<RootT>;
1889
1890 1 const float outside = 2.0f, inside = -outside;
1891 const openvdb::CoordBBox
1892 1 bbox{openvdb::Coord{-3, -50, 30}, openvdb::Coord{13, 11, 323}},
1893 1 otherBBox{openvdb::Coord{400, 401, 402}, openvdb::Coord{600}};
1894
1895 {// sparse fill
1896 1 openvdb::Grid<TreeT>::Ptr grid = openvdb::Grid<TreeT>::create(outside);
1897 TreeT& tree = grid->tree();
1898
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1 EXPECT_TRUE(!tree.hasActiveTiles());
1899
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1 EXPECT_EQ(openvdb::Index64(0), tree.activeVoxelCount());
1900
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309877 for (openvdb::CoordBBox::Iterator<true> ijk(bbox); ijk; ++ijk) {
1901
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309876 ASSERT_DOUBLES_EXACTLY_EQUAL(outside, tree.getValue(*ijk));
1902 }
1903 tree.sparseFill(bbox, inside, /*active=*/true);
1904
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1 EXPECT_TRUE(tree.hasActiveTiles());
1905
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1 EXPECT_EQ(openvdb::Index64(bbox.volume()), tree.activeVoxelCount());
1906
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309877 for (openvdb::CoordBBox::Iterator<true> ijk(bbox); ijk; ++ijk) {
1907
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309876 ASSERT_DOUBLES_EXACTLY_EQUAL(inside, tree.getValue(*ijk));
1908 }
1909 }
1910 {// dense fill
1911 1 openvdb::Grid<TreeT>::Ptr grid = openvdb::Grid<TreeT>::create(outside);
1912 TreeT& tree = grid->tree();
1913
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1 EXPECT_TRUE(!tree.hasActiveTiles());
1914
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1 EXPECT_EQ(openvdb::Index64(0), tree.activeVoxelCount());
1915
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309877 for (openvdb::CoordBBox::Iterator<true> ijk(bbox); ijk; ++ijk) {
1916
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309876 ASSERT_DOUBLES_EXACTLY_EQUAL(outside, tree.getValue(*ijk));
1917 }
1918
1919 // Add some active tiles.
1920 tree.sparseFill(otherBBox, inside, /*active=*/true);
1921
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1 EXPECT_TRUE(tree.hasActiveTiles());
1922
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1 EXPECT_EQ(otherBBox.volume(), tree.activeVoxelCount());
1923
1924 tree.denseFill(bbox, inside, /*active=*/true);
1925
1926 // In OpenVDB 4.0.0 and earlier, denseFill() densified active tiles
1927 // throughout the tree. Verify that it no longer does that.
1928
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1 EXPECT_TRUE(tree.hasActiveTiles()); // i.e., otherBBox
1929
1930
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2 EXPECT_EQ(bbox.volume() + otherBBox.volume(), tree.activeVoxelCount());
1931
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309877 for (openvdb::CoordBBox::Iterator<true> ijk(bbox); ijk; ++ijk) {
1932
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309876 ASSERT_DOUBLES_EXACTLY_EQUAL(inside, tree.getValue(*ijk));
1933 }
1934
1935
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1 tree.clear();
1936
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1 EXPECT_TRUE(!tree.hasActiveTiles());
1937 tree.sparseFill(otherBBox, inside, /*active=*/true);
1938
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1 EXPECT_TRUE(tree.hasActiveTiles());
1939 tree.denseFill(bbox, inside, /*active=*/false);
1940
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1 EXPECT_TRUE(tree.hasActiveTiles()); // i.e., otherBBox
1941
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1 EXPECT_EQ(otherBBox.volume(), tree.activeVoxelCount());
1942
1943 // In OpenVDB 4.0.0 and earlier, denseFill() filled sparsely if given
1944 // an inactive fill value. Verify that it now fills densely.
1945
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1 const int leafDepth = int(tree.treeDepth()) - 1;
1946
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309877 for (openvdb::CoordBBox::Iterator<true> ijk(bbox); ijk; ++ijk) {
1947
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309876 EXPECT_EQ(leafDepth, tree.getValueDepth(*ijk));
1948
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309876 ASSERT_DOUBLES_EXACTLY_EQUAL(inside, tree.getValue(*ijk));
1949 }
1950 }
1951
1952 1 }// testFill
1953
1954
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1 TEST_F(TestTree, testSignedFloodFill)
1955 {
1956 // Use a custom tree configuration to ensure we flood-fill at all levels!
1957 using LeafT = openvdb::tree::LeafNode<float,2>;//4^3
1958 using InternalT = openvdb::tree::InternalNode<LeafT,2>;//4^3
1959 using RootT = openvdb::tree::RootNode<InternalT>;// child nodes are 16^3
1960 using TreeT = openvdb::tree::Tree<RootT>;
1961
1962 1 const float outside = 2.0f, inside = -outside, radius = 20.0f;
1963
1964 {//first test flood filling of a leaf node
1965
1966 1 const LeafT::ValueType fill0=5, fill1=-fill0;
1967 openvdb::tools::SignedFloodFillOp<TreeT> sff(fill0, fill1);
1968
1969 int D = LeafT::dim(), C=D/2;
1970 openvdb::Coord origin(0,0,0), left(0,0,C-1), right(0,0,C);
1971 1 LeafT leaf(origin,fill0);
1972
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5 for (int i=0; i<D; ++i) {
1973 4 left[0]=right[0]=i;
1974
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20 for (int j=0; j<D; ++j) {
1975 16 left[1]=right[1]=j;
1976
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16 leaf.setValueOn(left,fill0);
1977
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16 leaf.setValueOn(right,fill1);
1978 }
1979 }
1980 const openvdb::Coord first(0,0,0), last(D-1,D-1,D-1);
1981
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1 EXPECT_TRUE(!leaf.isValueOn(first));
1982
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1 EXPECT_TRUE(!leaf.isValueOn(last));
1983
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2 EXPECT_EQ(fill0, leaf.getValue(first));
1984
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2 EXPECT_EQ(fill0, leaf.getValue(last));
1985
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1 sff(leaf);
1987
1988
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1 EXPECT_TRUE(!leaf.isValueOn(first));
1989
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1 EXPECT_TRUE(!leaf.isValueOn(last));
1990
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2 EXPECT_EQ(fill0, leaf.getValue(first));
1991
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2 EXPECT_EQ(fill1, leaf.getValue(last));
1992 }
1993
1994 1 openvdb::Grid<TreeT>::Ptr grid = openvdb::Grid<TreeT>::create(outside);
1995 TreeT& tree = grid->tree();
1996 const RootT& root = tree.root();
1997 const openvdb::Coord dim(3*16, 3*16, 3*16);
1998 const openvdb::Coord C(16+8,16+8,16+8);
1999
2000
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1 EXPECT_TRUE(!tree.isValueOn(C));
2001
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1 EXPECT_TRUE(root.getTableSize()==0);
2002
2003 //make narrow band of sphere without setting sign for the background values!
2004 openvdb::Grid<TreeT>::Accessor acc = grid->getAccessor();
2005 const openvdb::Vec3f center(static_cast<float>(C[0]),
2006 static_cast<float>(C[1]),
2007 1 static_cast<float>(C[2]));
2008 openvdb::Coord xyz;
2009
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49 for (xyz[0]=0; xyz[0]<dim[0]; ++xyz[0]) {
2010
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2352 for (xyz[1]=0; xyz[1]<dim[1]; ++xyz[1]) {
2011
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112896 for (xyz[2]=0; xyz[2]<dim[2]; ++xyz[2]) {
2012 const openvdb::Vec3R p = grid->transform().indexToWorld(xyz);
2013 110592 const float dist = float((p-center).length() - radius);
2014
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110592 if (fabs(dist) > outside) continue;
2015
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20170 acc.setValue(xyz, dist);
2016 }
2017 }
2018 }
2019 // Check narrow band with incorrect background
2020 const size_t size_before = root.getTableSize();
2021
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1 EXPECT_TRUE(size_before>0);
2022
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1 EXPECT_TRUE(!tree.isValueOn(C));
2023
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1 ASSERT_DOUBLES_EXACTLY_EQUAL(outside,tree.getValue(C));
2024
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49 for (xyz[0]=0; xyz[0]<dim[0]; ++xyz[0]) {
2025
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2352 for (xyz[1]=0; xyz[1]<dim[1]; ++xyz[1]) {
2026
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112896 for (xyz[2]=0; xyz[2]<dim[2]; ++xyz[2]) {
2027 const openvdb::Vec3R p = grid->transform().indexToWorld(xyz);
2028 110592 const float dist = float((p-center).length() - radius);
2029
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110592 const float val = acc.getValue(xyz);
2030
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110592 if (dist < inside) {
2031
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24303 ASSERT_DOUBLES_EXACTLY_EQUAL( val, outside);
2032
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86289 } else if (dist>outside) {
2033
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66119 ASSERT_DOUBLES_EXACTLY_EQUAL( val, outside);
2034 } else {
2035
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20170 ASSERT_DOUBLES_EXACTLY_EQUAL( val, dist );
2036 }
2037 }
2038 }
2039 }
2040
2041
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1 EXPECT_TRUE(tree.getValueDepth(C) == -1);//i.e. background value
2042
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1 openvdb::tools::signedFloodFill(tree);
2043
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1 EXPECT_TRUE(tree.getValueDepth(C) == 0);//added inside tile to root
2044
2045 // Check narrow band with correct background
2046
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49 for (xyz[0]=0; xyz[0]<dim[0]; ++xyz[0]) {
2047
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2352 for (xyz[1]=0; xyz[1]<dim[1]; ++xyz[1]) {
2048
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2049 const openvdb::Vec3R p = grid->transform().indexToWorld(xyz);
2050 110592 const float dist = float((p-center).length() - radius);
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110592 const float val = acc.getValue(xyz);
2052
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110592 if (dist < inside) {
2053
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24303 ASSERT_DOUBLES_EXACTLY_EQUAL( val, inside);
2054
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86289 } else if (dist>outside) {
2055
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66119 ASSERT_DOUBLES_EXACTLY_EQUAL( val, outside);
2056 } else {
2057
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20170 ASSERT_DOUBLES_EXACTLY_EQUAL( val, dist );
2058 }
2059 }
2060 }
2061 }
2062
2063
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1 EXPECT_TRUE(root.getTableSize()>size_before);//added inside root tiles
2064
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1 EXPECT_TRUE(!tree.isValueOn(C));
2065
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1 ASSERT_DOUBLES_EXACTLY_EQUAL(inside,tree.getValue(C));
2066 1 }
2067
2068
2069
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1 TEST_F(TestTree, testPruneInactive)
2070 {
2071 using openvdb::Coord;
2072 using openvdb::Index32;
2073 using openvdb::Index64;
2074
2075 1 const float background = 5.0;
2076
2077 2 openvdb::FloatTree tree(background);
2078
2079 // Verify that the newly-constructed tree is empty and that pruning it has no effect.
2080
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1 EXPECT_TRUE(tree.empty());
2081
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1 openvdb::tools::prune(tree);
2082
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1 EXPECT_TRUE(tree.empty());
2083
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1 openvdb::tools::pruneInactive(tree);
2084
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1 EXPECT_TRUE(tree.empty());
2085
2086 // Set some active values.
2087
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1 tree.setValue(Coord(-5, 10, 20), 0.1f);
2088
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1 tree.setValue(Coord(-5,-10, 20), 0.4f);
2089
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1 tree.setValue(Coord(-5, 10,-20), 0.5f);
2090
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1 tree.setValue(Coord(-5,-10,-20), 0.7f);
2091
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1 tree.setValue(Coord( 5, 10, 20), 0.0f);
2092
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1 tree.setValue(Coord( 5,-10, 20), 0.2f);
2093
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1 tree.setValue(Coord( 5,-10,-20), 0.6f);
2094
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2 tree.setValue(Coord( 5, 10,-20), 0.3f);
2095 // Verify that the tree has the expected numbers of active voxels and leaf nodes.
2096
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1 EXPECT_EQ(Index64(8), tree.activeVoxelCount());
2097
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1 EXPECT_EQ(Index32(8), tree.leafCount());
2098
2099 // Verify that prune() has no effect, since the values are all different.
2100
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1 openvdb::tools::prune(tree);
2101
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1 EXPECT_EQ(Index64(8), tree.activeVoxelCount());
2102
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1 EXPECT_EQ(Index32(8), tree.leafCount());
2103 // Verify that pruneInactive() has no effect, since the values are active.
2104
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1 openvdb::tools::pruneInactive(tree);
2105
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1 EXPECT_EQ(Index64(8), tree.activeVoxelCount());
2106
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1 EXPECT_EQ(Index32(8), tree.leafCount());
2107
2108 // Make some of the active values inactive, without changing their values.
2109
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1 tree.setValueOff(Coord(-5, 10, 20));
2110
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1 tree.setValueOff(Coord(-5,-10, 20));
2111
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1 tree.setValueOff(Coord(-5, 10,-20));
2112
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1 tree.setValueOff(Coord(-5,-10,-20));
2113
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1 EXPECT_EQ(Index64(4), tree.activeVoxelCount());
2114
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1 EXPECT_EQ(Index32(8), tree.leafCount());
2115 // Verify that prune() has no effect, since the values are still different.
2116
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1 openvdb::tools::prune(tree);
2117
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1 EXPECT_EQ(Index64(4), tree.activeVoxelCount());
2118
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1 EXPECT_EQ(Index32(8), tree.leafCount());
2119 // Verify that pruneInactive() prunes the nodes containing only inactive voxels.
2120
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1 openvdb::tools::pruneInactive(tree);
2121
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1 EXPECT_EQ(Index64(4), tree.activeVoxelCount());
2122
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1 EXPECT_EQ(Index32(4), tree.leafCount());
2123
2124 // Make all of the active values inactive, without changing their values.
2125
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1 tree.setValueOff(Coord( 5, 10, 20));
2126
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1 tree.setValueOff(Coord( 5,-10, 20));
2127
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1 tree.setValueOff(Coord( 5,-10,-20));
2128
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1 tree.setValueOff(Coord( 5, 10,-20));
2129
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1 EXPECT_EQ(Index64(0), tree.activeVoxelCount());
2130
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1 EXPECT_EQ(Index32(4), tree.leafCount());
2131 // Verify that prune() has no effect, since the values are still different.
2132
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1 openvdb::tools::prune(tree);
2133
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1 EXPECT_EQ(Index64(0), tree.activeVoxelCount());
2134
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1 EXPECT_EQ(Index32(4), tree.leafCount());
2135 // Verify that pruneInactive() prunes all of the remaining leaf nodes.
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1 openvdb::tools::pruneInactive(tree);
2137
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1 EXPECT_TRUE(tree.empty());
2138 1 }
2139
2140
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1 TEST_F(TestTree, testPruneLevelSet)
2141 {
2142 1 const float background=10.0f, R=5.6f;
2143 const openvdb::Vec3f C(12.3f, 15.5f, 10.0f);
2144 const openvdb::Coord dim(32, 32, 32);
2145
2146 2 openvdb::FloatGrid grid(background);
2147
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1 unittest_util::makeSphere<openvdb::FloatGrid>(dim, C, R, grid,
2148 1.0f, unittest_util::SPHERE_SPARSE_NARROW_BAND);
2149 openvdb::FloatTree& tree = grid.tree();
2150
2151 1 openvdb::Index64 count = 0;
2152 openvdb::Coord xyz;
2153
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33 for (xyz[0]=0; xyz[0]<dim[0]; ++xyz[0]) {
2154
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1056 for (xyz[1]=0; xyz[1]<dim[1]; ++xyz[1]) {
2155
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33792 for (xyz[2]=0; xyz[2]<dim[2]; ++xyz[2]) {
2156
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32768 if (fabs(tree.getValue(xyz))<background) ++count;
2157 }
2158 }
2159 }
2160
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1 const openvdb::Index32 leafCount = tree.leafCount();
2162
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1 EXPECT_EQ(tree.activeVoxelCount(), count);
2163
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1 EXPECT_EQ(tree.activeLeafVoxelCount(), count);
2164
2165 openvdb::Index64 removed = 0;
2166 const float new_width = background - 9.0f;
2167
2168 // This version is fast since it only visits voxel and avoids
2169 // random access to set the voxels off.
2170 using VoxelOnIter = openvdb::FloatTree::LeafNodeType::ValueOnIter;
2171
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53 for (openvdb::FloatTree::LeafIter lIter = tree.beginLeaf(); lIter; ++lIter) {
2172
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14476 for (VoxelOnIter vIter = lIter->beginValueOn(); vIter; ++vIter) {
2173
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14424 if (fabs(*vIter)<new_width) continue;
2174
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14024 lIter->setValueOff(vIter.pos(), *vIter > 0.0f ? background : -background);
2175 13620 ++removed;
2176 }
2177 }
2178 // The following version is slower since it employs
2179 // FloatTree::ValueOnIter that visits both tiles and voxels and
2180 // also uses random acceess to set the voxels off.
2181 /*
2182 for (openvdb::FloatTree::ValueOnIter i = tree.beginValueOn(); i; ++i) {
2183 if (fabs(*i)<new_width) continue;
2184 tree.setValueOff(i.getCoord(), *i > 0.0f ? background : -background);
2185 ++removed2;
2186 }
2187 */
2188
2189
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1 EXPECT_EQ(leafCount, tree.leafCount());
2190 //std::cerr << "Leaf count=" << tree.leafCount() << std::endl;
2191
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1 EXPECT_EQ(tree.activeVoxelCount(), count-removed);
2192
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1 EXPECT_EQ(tree.activeLeafVoxelCount(), count-removed);
2193
2194
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1 openvdb::tools::pruneLevelSet(tree);
2195
2196
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1 EXPECT_TRUE(tree.leafCount() < leafCount);
2197 //std::cerr << "Leaf count=" << tree.leafCount() << std::endl;
2198
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1 EXPECT_EQ(tree.activeVoxelCount(), count-removed);
2199
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1 EXPECT_EQ(tree.activeLeafVoxelCount(), count-removed);
2200
2201 openvdb::FloatTree::ValueOnCIter i = tree.cbeginValueOn();
2202
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1609 for (; i; ++i) EXPECT_TRUE( *i < new_width);
2203
2204
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33 for (xyz[0]=0; xyz[0]<dim[0]; ++xyz[0]) {
2205
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2206
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33792 for (xyz[2]=0; xyz[2]<dim[2]; ++xyz[2]) {
2207 32768 const float val = tree.getValue(xyz);
2208
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32768 if (fabs(val)<new_width)
2209
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804 EXPECT_TRUE(tree.isValueOn(xyz));
2210
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31964 else if (val < 0.0f) {
2211
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404 EXPECT_TRUE(tree.isValueOff(xyz));
2212
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404 ASSERT_DOUBLES_EXACTLY_EQUAL( -background, val );
2213 } else {
2214
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31560 EXPECT_TRUE(tree.isValueOff(xyz));
2215
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31560 ASSERT_DOUBLES_EXACTLY_EQUAL( background, val );
2216 }
2217 }
2218 }
2219 }
2220 1 }
2221
2222
2223
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1 TEST_F(TestTree, testTouchLeaf)
2224 {
2225 1 const float background=10.0f;
2226 const openvdb::Coord xyz(-20,30,10);
2227 {// test tree
2228 1 openvdb::FloatTree::Ptr tree(new openvdb::FloatTree(background));
2229
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1 EXPECT_EQ(-1, tree->getValueDepth(xyz));
2230
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1 EXPECT_EQ( 0, int(tree->leafCount()));
2231
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1 EXPECT_TRUE(tree->touchLeaf(xyz) != nullptr);
2232
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1 EXPECT_EQ( 3, tree->getValueDepth(xyz));
2233
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1 EXPECT_EQ( 1, int(tree->leafCount()));
2234
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1 EXPECT_TRUE(!tree->isValueOn(xyz));
2235
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1 ASSERT_DOUBLES_EXACTLY_EQUAL(background, tree->getValue(xyz));
2236 }
2237 {// test accessor
2238 1 openvdb::FloatTree::Ptr tree(new openvdb::FloatTree(background));
2239 openvdb::tree::ValueAccessor<openvdb::FloatTree> acc(*tree);
2240
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1 EXPECT_EQ(-1, acc.getValueDepth(xyz));
2241
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1 EXPECT_EQ( 0, int(tree->leafCount()));
2242
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1 EXPECT_TRUE(acc.touchLeaf(xyz) != nullptr);
2243
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1 EXPECT_EQ( 3, tree->getValueDepth(xyz));
2244
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1 EXPECT_EQ( 1, int(tree->leafCount()));
2245
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1 EXPECT_TRUE(!acc.isValueOn(xyz));
2246
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1 ASSERT_DOUBLES_EXACTLY_EQUAL(background, acc.getValue(xyz));
2247 }
2248 1 }
2249
2250
2251
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1 TEST_F(TestTree, testProbeLeaf)
2252 {
2253 1 const float background=10.0f, value = 2.0f;
2254 const openvdb::Coord xyz(-20,30,10);
2255 {// test Tree::probeLeaf
2256 1 openvdb::FloatTree::Ptr tree(new openvdb::FloatTree(background));
2257
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1 EXPECT_EQ(-1, tree->getValueDepth(xyz));
2258
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1 EXPECT_EQ( 0, int(tree->leafCount()));
2259
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1 EXPECT_TRUE(tree->probeLeaf(xyz) == nullptr);
2260
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1 EXPECT_EQ(-1, tree->getValueDepth(xyz));
2261
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1 EXPECT_EQ( 0, int(tree->leafCount()));
2262 tree->setValue(xyz, value);
2263
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1 EXPECT_EQ( 3, tree->getValueDepth(xyz));
2264
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1 EXPECT_EQ( 1, int(tree->leafCount()));
2265
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1 EXPECT_TRUE(tree->probeLeaf(xyz) != nullptr);
2266
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1 EXPECT_EQ( 3, tree->getValueDepth(xyz));
2267
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1 EXPECT_EQ( 1, int(tree->leafCount()));
2268
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1 EXPECT_TRUE(tree->isValueOn(xyz));
2269
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1 ASSERT_DOUBLES_EXACTLY_EQUAL(value, tree->getValue(xyz));
2270 }
2271 {// test Tree::probeConstLeaf
2272 2 const openvdb::FloatTree tree1(background);
2273
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1 EXPECT_EQ(-1, tree1.getValueDepth(xyz));
2274
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1 EXPECT_EQ( 0, int(tree1.leafCount()));
2275
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1 EXPECT_TRUE(tree1.probeConstLeaf(xyz) == nullptr);
2276
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1 EXPECT_EQ(-1, tree1.getValueDepth(xyz));
2277
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1 EXPECT_EQ( 0, int(tree1.leafCount()));
2278
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2 openvdb::FloatTree tmp(tree1);
2279 tmp.setValue(xyz, value);
2280
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2 const openvdb::FloatTree tree2(tmp);
2281
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1 EXPECT_EQ( 3, tree2.getValueDepth(xyz));
2282
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1 EXPECT_EQ( 1, int(tree2.leafCount()));
2283
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1 EXPECT_TRUE(tree2.probeConstLeaf(xyz) != nullptr);
2284
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2285
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1 EXPECT_EQ( 1, int(tree2.leafCount()));
2286
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1 EXPECT_TRUE(tree2.isValueOn(xyz));
2287
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1 ASSERT_DOUBLES_EXACTLY_EQUAL(value, tree2.getValue(xyz));
2288 }
2289 {// test ValueAccessor::probeLeaf
2290 1 openvdb::FloatTree::Ptr tree(new openvdb::FloatTree(background));
2291 openvdb::tree::ValueAccessor<openvdb::FloatTree> acc(*tree);
2292
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1 EXPECT_EQ(-1, acc.getValueDepth(xyz));
2293
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2294
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2295
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1 EXPECT_EQ(-1, acc.getValueDepth(xyz));
2296
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2297
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1 acc.setValue(xyz, value);
2298
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1 EXPECT_EQ( 3, acc.getValueDepth(xyz));
2299
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2300
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2301
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1 EXPECT_EQ( 3, acc.getValueDepth(xyz));
2302
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2303
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1 EXPECT_TRUE(acc.isValueOn(xyz));
2304
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1 ASSERT_DOUBLES_EXACTLY_EQUAL(value, acc.getValue(xyz));
2305 }
2306 {// test ValueAccessor::probeConstLeaf
2307 2 const openvdb::FloatTree tree1(background);
2308 openvdb::tree::ValueAccessor<const openvdb::FloatTree> acc1(tree1);
2309
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1 EXPECT_EQ(-1, acc1.getValueDepth(xyz));
2310
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1 EXPECT_EQ( 0, int(tree1.leafCount()));
2311
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1 EXPECT_TRUE(acc1.probeConstLeaf(xyz) == nullptr);
2312
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1 EXPECT_EQ(-1, acc1.getValueDepth(xyz));
2313
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1 EXPECT_EQ( 0, int(tree1.leafCount()));
2314
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2 openvdb::FloatTree tmp(tree1);
2315 tmp.setValue(xyz, value);
2316
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2 const openvdb::FloatTree tree2(tmp);
2317 openvdb::tree::ValueAccessor<const openvdb::FloatTree> acc2(tree2);
2318
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1 EXPECT_EQ( 3, acc2.getValueDepth(xyz));
2319
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1 EXPECT_EQ( 1, int(tree2.leafCount()));
2320
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1 EXPECT_TRUE(acc2.probeConstLeaf(xyz) != nullptr);
2321
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1 EXPECT_EQ( 3, acc2.getValueDepth(xyz));
2322
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1 EXPECT_EQ( 1, int(tree2.leafCount()));
2323
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1 EXPECT_TRUE(acc2.isValueOn(xyz));
2324
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1 ASSERT_DOUBLES_EXACTLY_EQUAL(value, acc2.getValue(xyz));
2325 }
2326 1 }
2327
2328
2329
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2 TEST_F(TestTree, testAddLeaf)
2330 {
2331 using namespace openvdb;
2332
2333 using LeafT = FloatTree::LeafNodeType;
2334
2335 const Coord ijk(100);
2336 2 FloatGrid grid;
2337 FloatTree& tree = grid.tree();
2338
2339
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2 tree.setValue(ijk, 5.0);
2340 const LeafT* oldLeaf = tree.probeLeaf(ijk);
2341
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1 EXPECT_TRUE(oldLeaf != nullptr);
2342
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1 ASSERT_DOUBLES_EXACTLY_EQUAL(5.0, oldLeaf->getValue(ijk));
2343
2344
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2 LeafT* newLeaf = new LeafT;
2345 newLeaf->setOrigin(oldLeaf->origin());
2346 newLeaf->fill(3.0);
2347
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1 tree.addLeaf(newLeaf);
2349
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1 EXPECT_EQ(newLeaf, tree.probeLeaf(ijk));
2350
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1 ASSERT_DOUBLES_EXACTLY_EQUAL(3.0, tree.getValue(ijk));
2351 1 }
2352
2353
2354
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2 TEST_F(TestTree, testAddTile)
2355 {
2356 using namespace openvdb;
2357
2358 const Coord ijk(100);
2359 2 FloatGrid grid;
2360 FloatTree& tree = grid.tree();
2361
2362
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2 tree.setValue(ijk, 5.0);
2363
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1 EXPECT_TRUE(tree.probeLeaf(ijk) != nullptr);
2364
2365 const Index lvl = FloatTree::DEPTH >> 1;
2366 OPENVDB_NO_UNREACHABLE_CODE_WARNING_BEGIN
2367
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2 if (lvl > 0) tree.addTile(lvl,ijk, 3.0, /*active=*/true);
2368 else tree.addTile(1,ijk, 3.0, /*active=*/true);
2369 OPENVDB_NO_UNREACHABLE_CODE_WARNING_END
2370
2371
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1 EXPECT_TRUE(tree.probeLeaf(ijk) == nullptr);
2372
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1 ASSERT_DOUBLES_EXACTLY_EQUAL(3.0, tree.getValue(ijk));
2373 1 }
2374
2375
2376 struct BBoxOp
2377 {
2378 std::vector<openvdb::CoordBBox> bbox;
2379 std::vector<openvdb::Index> level;
2380
2381 // This method is required by Tree::visitActiveBBox
2382 // Since it will return false if LEVEL==0 it will never descent to
2383 // the active voxels. In other words the smallest BBoxes
2384 // correspond to LeafNodes or active tiles at LEVEL=1
2385 template<openvdb::Index LEVEL>
2386 inline bool descent() { return LEVEL>0; }
2387
2388 // This method is required by Tree::visitActiveBBox
2389 template<openvdb::Index LEVEL>
2390 inline void operator()(const openvdb::CoordBBox &_bbox) {
2391
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8 bbox.push_back(_bbox);
2392
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8 level.push_back(LEVEL);
2393 }
2394 };
2395
2396
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1 TEST_F(TestTree, testProcessBBox)
2397 {
2398 OPENVDB_NO_DEPRECATION_WARNING_BEGIN
2399
2400 using openvdb::Coord;
2401 using openvdb::CoordBBox;
2402 //check two leaf nodes and two tiles at each level 1, 2 and 3
2403 1 const int size[4]={1<<3, 1<<3, 1<<(3+4), 1<<(3+4+5)};
2404
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5 for (int level=0; level<=3; ++level) {
2405 8 openvdb::FloatTree tree;
2406 4 const int n = size[level];
2407 4 const CoordBBox bbox[]={CoordBBox::createCube(Coord(-n,-n,-n), n),
2408 4 CoordBBox::createCube(Coord( 0, 0, 0), n)};
2409
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4 if (level==0) {
2410
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1 tree.setValue(Coord(-1,-2,-3), 1.0f);
2411
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2 tree.setValue(Coord( 1, 2, 3), 1.0f);
2412 } else {
2413
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3 tree.fill(bbox[0], 1.0f, true);
2414
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6 tree.fill(bbox[1], 1.0f, true);
2415 }
2416 4 BBoxOp op;
2417 tree.visitActiveBBox(op);
2418
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4 EXPECT_EQ(2, int(op.bbox.size()));
2419
2420
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12 for (int i=0; i<2; ++i) {
2421 //std::cerr <<"\nLevel="<<level<<" op.bbox["<<i<<"]="<<op.bbox[i]
2422 // <<" op.level["<<i<<"]= "<<op.level[i]<<std::endl;
2423
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8 EXPECT_EQ(level,int(op.level[i]));
2424
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16 EXPECT_TRUE(op.bbox[i] == bbox[i]);
2425 }
2426 }
2427
2428 OPENVDB_NO_DEPRECATION_WARNING_END
2429 1 }
2430
2431
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2 TEST_F(TestTree, testGetNodes)
2432 {
2433 //openvdb::util::CpuTimer timer;
2434 using openvdb::CoordBBox;
2435 using openvdb::Coord;
2436 using openvdb::Vec3f;
2437 using openvdb::FloatGrid;
2438 using openvdb::FloatTree;
2439
2440 const Vec3f center(0.35f, 0.35f, 0.35f);
2441 const float radius = 0.15f;
2442 const int dim = 128, half_width = 5;
2443 const float voxel_size = 1.0f/dim;
2444
2445
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1 FloatGrid::Ptr grid = FloatGrid::create(/*background=*/half_width*voxel_size);
2446 FloatTree& tree = grid->tree();
2447
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2 grid->setTransform(openvdb::math::Transform::createLinearTransform(/*voxel size=*/voxel_size));
2448
2449
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1 unittest_util::makeSphere<FloatGrid>(
2450 Coord(dim), center, radius, *grid, unittest_util::SPHERE_SPARSE_NARROW_BAND);
2451
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1 const size_t leafCount = tree.leafCount();
2452
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1 const size_t voxelCount = tree.activeVoxelCount();
2453
2454 {//testing Tree::getNodes() with std::vector<T*>
2455 std::vector<openvdb::FloatTree::LeafNodeType*> array;
2456
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1 EXPECT_EQ(size_t(0), array.size());
2457 //timer.start("\nstd::vector<T*> and Tree::getNodes()");
2458 tree.getNodes(array);
2459 //timer.stop();
2460
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1 EXPECT_EQ(leafCount, array.size());
2461
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1 EXPECT_EQ(leafCount, size_t(tree.leafCount()));
2462 1 size_t sum = 0;
2463
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206 for (size_t i=0; i<array.size(); ++i) sum += array[i]->onVoxelCount();
2464
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1 EXPECT_EQ(voxelCount, sum);
2465 }
2466 {//testing Tree::getNodes() with std::vector<const T*>
2467 std::vector<const openvdb::FloatTree::LeafNodeType*> array;
2468
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1 EXPECT_EQ(size_t(0), array.size());
2469 //timer.start("\nstd::vector<const T*> and Tree::getNodes()");
2470 tree.getNodes(array);
2471 //timer.stop();
2472
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1 EXPECT_EQ(leafCount, array.size());
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1 EXPECT_EQ(leafCount, size_t(tree.leafCount()));
2474 1 size_t sum = 0;
2475
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206 for (size_t i=0; i<array.size(); ++i) sum += array[i]->onVoxelCount();
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1 EXPECT_EQ(voxelCount, sum);
2477 }
2478 {//testing Tree::getNodes() const with std::vector<const T*>
2479 std::vector<const openvdb::FloatTree::LeafNodeType*> array;
2480
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1 EXPECT_EQ(size_t(0), array.size());
2481 //timer.start("\nstd::vector<const T*> and Tree::getNodes() const");
2482 const FloatTree& tmp = tree;
2483 tmp.getNodes(array);
2484 //timer.stop();
2485
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1 EXPECT_EQ(leafCount, array.size());
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1 EXPECT_EQ(leafCount, size_t(tree.leafCount()));
2487 1 size_t sum = 0;
2488
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206 for (size_t i=0; i<array.size(); ++i) sum += array[i]->onVoxelCount();
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1 EXPECT_EQ(voxelCount, sum);
2490 }
2491 {//testing Tree::getNodes() with std::vector<T*> and std::vector::reserve
2492 std::vector<openvdb::FloatTree::LeafNodeType*> array;
2493
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1 EXPECT_EQ(size_t(0), array.size());
2494 //timer.start("\nstd::vector<T*>, std::vector::reserve and Tree::getNodes");
2495
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1 array.reserve(tree.leafCount());
2496 tree.getNodes(array);
2497 //timer.stop();
2498
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1 EXPECT_EQ(leafCount, array.size());
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1 EXPECT_EQ(leafCount, size_t(tree.leafCount()));
2500 1 size_t sum = 0;
2501
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206 for (size_t i=0; i<array.size(); ++i) sum += array[i]->onVoxelCount();
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1 EXPECT_EQ(voxelCount, sum);
2503 }
2504 {//testing Tree::getNodes() with std::deque<T*>
2505 std::deque<const openvdb::FloatTree::LeafNodeType*> array;
2506
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1 EXPECT_EQ(size_t(0), array.size());
2507 //timer.start("\nstd::deque<T*> and Tree::getNodes");
2508 tree.getNodes(array);
2509 //timer.stop();
2510
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1 EXPECT_EQ(leafCount, array.size());
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1 EXPECT_EQ(leafCount, size_t(tree.leafCount()));
2512 1 size_t sum = 0;
2513
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206 for (size_t i=0; i<array.size(); ++i) sum += array[i]->onVoxelCount();
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1 EXPECT_EQ(voxelCount, sum);
2515 }
2516 {//testing Tree::getNodes() with std::deque<T*>
2517 std::deque<const openvdb::FloatTree::RootNodeType::ChildNodeType*> array;
2518
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1 EXPECT_EQ(size_t(0), array.size());
2519 //timer.start("\nstd::deque<T*> and Tree::getNodes");
2520 tree.getNodes(array);
2521 //timer.stop();
2522
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1 EXPECT_EQ(size_t(1), array.size());
2523
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1 EXPECT_EQ(leafCount, size_t(tree.leafCount()));
2524 }
2525 {//testing Tree::getNodes() with std::deque<T*>
2526 std::deque<const openvdb::FloatTree::RootNodeType::ChildNodeType::ChildNodeType*> array;
2527
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1 EXPECT_EQ(size_t(0), array.size());
2528 //timer.start("\nstd::deque<T*> and Tree::getNodes");
2529 tree.getNodes(array);
2530 //timer.stop();
2531
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1 EXPECT_EQ(size_t(1), array.size());
2532
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1 EXPECT_EQ(leafCount, size_t(tree.leafCount()));
2533 }
2534 /*
2535 {//testing Tree::getNodes() with std::deque<T*> where T is not part of the tree configuration
2536 using NodeT = openvdb::tree::LeafNode<float, 5>;
2537 std::deque<const NodeT*> array;
2538 tree.getNodes(array);//should NOT compile since NodeT is not part of the FloatTree configuration
2539 }
2540 {//testing Tree::getNodes() const with std::deque<T*> where T is not part of the tree configuration
2541 using NodeT = openvdb::tree::LeafNode<float, 5>;
2542 std::deque<const NodeT*> array;
2543 const FloatTree& tmp = tree;
2544 tmp.getNodes(array);//should NOT compile since NodeT is not part of the FloatTree configuration
2545 }
2546 */
2547 1 }// testGetNodes
2548
2549 // unique_ptr wrapper around a value type for a stl container
2550 template <typename NodeT, template<class, class> class Container>
2551 10 struct SafeArray {
2552 using value_type = NodeT*;
2553 1 inline void reserve(const size_t size) { mContainer.reserve(size); }
2554 1027 void push_back(value_type ptr) { mContainer.emplace_back(ptr); }
2555 size_t size() const { return mContainer.size(); }
2556 inline const NodeT* operator[](const size_t idx) const { return mContainer[idx].get(); }
2557 Container<std::unique_ptr<NodeT>, std::allocator<std::unique_ptr<NodeT>>> mContainer;
2558 };
2559
2560
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2 TEST_F(TestTree, testStealNodes)
2561 {
2562 //openvdb::util::CpuTimer timer;
2563 using openvdb::CoordBBox;
2564 using openvdb::Coord;
2565 using openvdb::Vec3f;
2566 using openvdb::FloatGrid;
2567 using openvdb::FloatTree;
2568
2569 const Vec3f center(0.35f, 0.35f, 0.35f);
2570 const float radius = 0.15f;
2571 const int dim = 128, half_width = 5;
2572 const float voxel_size = 1.0f/dim;
2573
2574
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1 FloatGrid::Ptr grid = FloatGrid::create(/*background=*/half_width*voxel_size);
2575 const FloatTree& tree = grid->tree();
2576
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2 grid->setTransform(openvdb::math::Transform::createLinearTransform(/*voxel size=*/voxel_size));
2577
2578
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1 unittest_util::makeSphere<FloatGrid>(
2579 Coord(dim), center, radius, *grid, unittest_util::SPHERE_SPARSE_NARROW_BAND);
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1 const size_t leafCount = tree.leafCount();
2581
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1 const size_t voxelCount = tree.activeVoxelCount();
2582
2583 {//testing Tree::stealNodes() with std::vector<T*>
2584
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2 FloatTree tree2 = tree;
2585 SafeArray<openvdb::FloatTree::LeafNodeType, std::vector> array;
2586
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1 EXPECT_EQ(size_t(0), array.size());
2587 //timer.start("\nstd::vector<T*> and Tree::stealNodes()");
2588 tree2.stealNodes(array);
2589 //timer.stop();
2590
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1 EXPECT_EQ(size_t(0), size_t(tree2.leafCount()));
2592 1 size_t sum = 0;
2593
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206 for (size_t i=0; i<array.size(); ++i) sum += array[i]->onVoxelCount();
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1 EXPECT_EQ(voxelCount, sum);
2595 }
2596 {//testing Tree::stealNodes() with std::vector<const T*>
2597
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2 FloatTree tree2 = tree;
2598 SafeArray<const openvdb::FloatTree::LeafNodeType, std::vector> array;
2599
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1 EXPECT_EQ(size_t(0), array.size());
2600 //timer.start("\nstd::vector<const T*> and Tree::stealNodes()");
2601 tree2.stealNodes(array);
2602 //timer.stop();
2603
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2605 1 size_t sum = 0;
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206 for (size_t i=0; i<array.size(); ++i) sum += array[i]->onVoxelCount();
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1 EXPECT_EQ(voxelCount, sum);
2608 }
2609 {//testing Tree::stealNodes() const with std::vector<const T*>
2610
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2 FloatTree tree2 = tree;
2611 SafeArray<const openvdb::FloatTree::LeafNodeType, std::vector> array;
2612
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1 EXPECT_EQ(size_t(0), array.size());
2613 //timer.start("\nstd::vector<const T*> and Tree::stealNodes() const");
2614 tree2.stealNodes(array);
2615 //timer.stop();
2616
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1 EXPECT_EQ(leafCount, array.size());
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1 EXPECT_EQ(size_t(0), size_t(tree2.leafCount()));
2618 1 size_t sum = 0;
2619
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206 for (size_t i=0; i<array.size(); ++i) sum += array[i]->onVoxelCount();
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1 EXPECT_EQ(voxelCount, sum);
2621 }
2622 {//testing Tree::stealNodes() with std::vector<T*> and std::vector::reserve
2623
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2 FloatTree tree2 = tree;
2624 SafeArray<openvdb::FloatTree::LeafNodeType, std::vector> array;
2625
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1 EXPECT_EQ(size_t(0), array.size());
2626 //timer.start("\nstd::vector<T*>, std::vector::reserve and Tree::stealNodes");
2627
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1 array.reserve(tree2.leafCount());
2628
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2 tree2.stealNodes(array, 0.0f, false);
2629 //timer.stop();
2630
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1 EXPECT_EQ(leafCount, array.size());
2631
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1 EXPECT_EQ(size_t(0), size_t(tree2.leafCount()));
2632 1 size_t sum = 0;
2633
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206 for (size_t i=0; i<array.size(); ++i) sum += array[i]->onVoxelCount();
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1 EXPECT_EQ(voxelCount, sum);
2635 }
2636 {//testing Tree::getNodes() with std::deque<T*>
2637
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2 FloatTree tree2 = tree;
2638 SafeArray<const openvdb::FloatTree::LeafNodeType, std::deque> array;
2639
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1 EXPECT_EQ(size_t(0), array.size());
2640 //timer.start("\nstd::deque<T*> and Tree::stealNodes");
2641 tree2.stealNodes(array);
2642 //timer.stop();
2643
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1 EXPECT_EQ(leafCount, array.size());
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1 EXPECT_EQ(size_t(0), size_t(tree2.leafCount()));
2645 1 size_t sum = 0;
2646
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206 for (size_t i=0; i<array.size(); ++i) sum += array[i]->onVoxelCount();
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1 EXPECT_EQ(voxelCount, sum);
2648 }
2649 {//testing Tree::getNodes() with std::deque<T*>
2650
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2 FloatTree tree2 = tree;
2651 SafeArray<const openvdb::FloatTree::RootNodeType::ChildNodeType, std::deque> array;
2652
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1 EXPECT_EQ(size_t(0), array.size());
2653 //timer.start("\nstd::deque<T*> and Tree::stealNodes");
2654
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2 tree2.stealNodes(array, 0.0f, true);
2655 //timer.stop();
2656
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1 EXPECT_EQ(size_t(1), array.size());
2657
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1 EXPECT_EQ(size_t(0), size_t(tree2.leafCount()));
2658 }
2659 {//testing Tree::getNodes() with std::deque<T*>
2660 using NodeT = openvdb::FloatTree::RootNodeType::ChildNodeType::ChildNodeType;
2661
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2 FloatTree tree2 = tree;
2662 SafeArray<const NodeT, std::deque> array;
2663
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1 EXPECT_EQ(size_t(0), array.size());
2664 //timer.start("\nstd::deque<T*> and Tree::stealNodes");
2665 tree2.stealNodes(array);
2666 //timer.stop();
2667
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1 EXPECT_EQ(size_t(1), array.size());
2668
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1 EXPECT_EQ(size_t(0), size_t(tree2.leafCount()));
2669 }
2670 /*
2671 {//testing Tree::stealNodes() with std::deque<T*> where T is not part of the tree configuration
2672 FloatTree tree2 = tree;
2673 using NodeT = openvdb::tree::LeafNode<float, 5>;
2674 std::deque<const NodeT*> array;
2675 //should NOT compile since NodeT is not part of the FloatTree configuration
2676 tree2.stealNodes(array, 0.0f, true);
2677 }
2678 */
2679 1 }// testStealNodes
2680
2681
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1 TEST_F(TestTree, testStealNode)
2682 {
2683 using openvdb::Index;
2684 using openvdb::FloatTree;
2685
2686 1 const float background=0.0f, value = 5.6f, epsilon=0.000001f;
2687 const openvdb::Coord xyz(-23,42,70);
2688
2689 {// stal a LeafNode
2690 using NodeT = FloatTree::LeafNodeType;
2691
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1 EXPECT_EQ(Index(0), NodeT::getLevel());
2692
2693 2 FloatTree tree(background);
2694
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1 EXPECT_EQ(Index(0), tree.leafCount());
2695
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1 EXPECT_TRUE(!tree.isValueOn(xyz));
2696
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1 EXPECT_NEAR(background, tree.getValue(xyz), epsilon);
2697
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1 EXPECT_TRUE(tree.root().stealNode<NodeT>(xyz, value, false) == nullptr);
2698
2699 tree.setValue(xyz, value);
2700
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1 EXPECT_EQ(Index(1), tree.leafCount());
2701
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1 EXPECT_TRUE(tree.isValueOn(xyz));
2702
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1 EXPECT_NEAR(value, tree.getValue(xyz), epsilon);
2703
2704 1 NodeT* node = tree.root().stealNode<NodeT>(xyz, background, false);
2705
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1 EXPECT_TRUE(node != nullptr);
2706
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1 EXPECT_EQ(Index(0), tree.leafCount());
2707
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1 EXPECT_TRUE(!tree.isValueOn(xyz));
2708
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1 EXPECT_NEAR(background, tree.getValue(xyz), epsilon);
2709
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1 EXPECT_TRUE(tree.root().stealNode<NodeT>(xyz, value, false) == nullptr);
2710
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1 EXPECT_NEAR(value, node->getValue(xyz), epsilon);
2711
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1 EXPECT_TRUE(node->isValueOn(xyz));
2712
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2 delete node;
2713 }
2714 {// steal a bottom InternalNode
2715 using NodeT = FloatTree::RootNodeType::ChildNodeType::ChildNodeType;
2716
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1 EXPECT_EQ(Index(1), NodeT::getLevel());
2717
2718 2 FloatTree tree(background);
2719
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2720
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1 EXPECT_TRUE(!tree.isValueOn(xyz));
2721
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2722
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1 EXPECT_TRUE(tree.root().stealNode<NodeT>(xyz, value, false) == nullptr);
2723
2724 tree.setValue(xyz, value);
2725
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1 EXPECT_EQ(Index(1), tree.leafCount());
2726
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1 EXPECT_TRUE(tree.isValueOn(xyz));
2727
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1 EXPECT_NEAR(value, tree.getValue(xyz), epsilon);
2728
2729 1 NodeT* node = tree.root().stealNode<NodeT>(xyz, background, false);
2730
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1 EXPECT_TRUE(node != nullptr);
2731
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1 EXPECT_EQ(Index(0), tree.leafCount());
2732
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1 EXPECT_TRUE(!tree.isValueOn(xyz));
2733
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1 EXPECT_NEAR(background, tree.getValue(xyz), epsilon);
2734
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1 EXPECT_TRUE(tree.root().stealNode<NodeT>(xyz, value, false) == nullptr);
2735
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1 EXPECT_NEAR(value, node->getValue(xyz), epsilon);
2736
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1 EXPECT_TRUE(node->isValueOn(xyz));
2737
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1 delete node;
2738 }
2739 {// steal a top InternalNode
2740 using NodeT = FloatTree::RootNodeType::ChildNodeType;
2741
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1 EXPECT_EQ(Index(2), NodeT::getLevel());
2742
2743 2 FloatTree tree(background);
2744
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1 EXPECT_EQ(Index(0), tree.leafCount());
2745
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1 EXPECT_TRUE(!tree.isValueOn(xyz));
2746
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1 EXPECT_NEAR(background, tree.getValue(xyz), epsilon);
2747
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1 EXPECT_TRUE(tree.root().stealNode<NodeT>(xyz, value, false) == nullptr);
2748
2749 tree.setValue(xyz, value);
2750
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1 EXPECT_EQ(Index(1), tree.leafCount());
2751
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1 EXPECT_TRUE(tree.isValueOn(xyz));
2752
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1 EXPECT_NEAR(value, tree.getValue(xyz), epsilon);
2753
2754 1 NodeT* node = tree.root().stealNode<NodeT>(xyz, background, false);
2755
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1 EXPECT_TRUE(node != nullptr);
2756
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1 EXPECT_EQ(Index(0), tree.leafCount());
2757
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1 EXPECT_TRUE(!tree.isValueOn(xyz));
2758
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1 EXPECT_NEAR(background, tree.getValue(xyz), epsilon);
2759
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1 EXPECT_TRUE(tree.root().stealNode<NodeT>(xyz, value, false) == nullptr);
2760
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1 EXPECT_NEAR(value, node->getValue(xyz), epsilon);
2761
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1 EXPECT_TRUE(node->isValueOn(xyz));
2762
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1 delete node;
2763 }
2764 1 }
2765
2766
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2 TEST_F(TestTree, testNodeCount)
2767 {
2768 //openvdb::util::CpuTimer timer;// use for benchmark test
2769
2770 const openvdb::Vec3f center(0.0f, 0.0f, 0.0f);
2771 const float radius = 1.0f;
2772 //const int dim = 4096, halfWidth = 3;// use for benchmark test
2773 const int dim = 512, halfWidth = 3;// use for unit test
2774 //timer.start("\nGenerate level set sphere");// use for benchmark test
2775 1 auto grid = openvdb::tools::createLevelSetSphere<openvdb::FloatGrid>(radius, center, radius/dim, halfWidth);
2776 //timer.stop();// use for benchmark test
2777 auto& tree = grid->tree();
2778
2779 std::vector<openvdb::Index> dims;
2780
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1 tree.getNodeLog2Dims(dims);
2781
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1 std::vector<openvdb::Index32> nodeCount1(dims.size());
2782 //timer.start("Old technique");// use for benchmark test
2783
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106483 for (auto it = tree.cbeginNode(); it; ++it) ++(nodeCount1[dims.size()-1-it.getDepth()]);
2784 //timer.restart("New technique");// use for benchmark test
2785
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1 const auto nodeCount2 = tree.nodeCount();
2786 //timer.stop();// use for benchmark test
2787
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1 EXPECT_EQ(nodeCount1.size(), nodeCount2.size());
2788 //for (size_t i=0; i<nodeCount2.size(); ++i) std::cerr << "nodeCount1("<<i<<") OLD/NEW: " << nodeCount1[i] << "/" << nodeCount2[i] << std::endl;
2789
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1 EXPECT_EQ(1U, nodeCount2.back());// one root node
2790
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1 EXPECT_EQ(tree.leafCount(), nodeCount2.front());// leaf nodes
2791
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9 for (size_t i=0; i<nodeCount2.size(); ++i) EXPECT_EQ( nodeCount1[i], nodeCount2[i]);
2792 1 }
2793
2794
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2 TEST_F(TestTree, testRootNode)
2795 {
2796 using ChildType = RootNodeType::ChildNodeType;
2797 const openvdb::Coord c0(0,0,0), c1(49152, 16384, 28672);
2798
2799 { // test inserting child nodes directly and indirectly
2800 RootNodeType root(0.0f);
2801
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1 EXPECT_TRUE(root.empty());
2802
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1 EXPECT_EQ(openvdb::Index32(0), root.childCount());
2803
2804 // populate the tree by inserting the two leaf nodes containing c0 and c1
2805
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1 root.touchLeaf(c0);
2806
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1 root.touchLeaf(c1);
2807
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1 EXPECT_EQ(openvdb::Index(2), root.getTableSize());
2808
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1 EXPECT_EQ(openvdb::Index32(2), root.childCount());
2809
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1 EXPECT_TRUE(!root.hasActiveTiles());
2810
2811 { // verify c0 and c1 are the root node coordinates
2812 1 auto rootIter = root.cbeginChildOn();
2813
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1 EXPECT_EQ(c0, rootIter.getCoord());
2814 ++rootIter;
2815
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1 EXPECT_EQ(c1, rootIter.getCoord());
2816 }
2817
2818 // copy the root node
2819
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1 RootNodeType rootCopy(root);
2820
2821 // steal the root node children leaving the root node empty again
2822 std::vector<ChildType*> children;
2823 root.stealNodes(children);
2824
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1 EXPECT_TRUE(root.empty());
2825
2826 // insert the root node children directly
2827
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3 for (ChildType* child : children) {
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2 root.addChild(child);
2829 }
2830
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1 EXPECT_EQ(openvdb::Index(2), root.getTableSize());
2831
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1 EXPECT_EQ(openvdb::Index32(2), root.childCount());
2832
2833 { // verify the coordinates of the root node children
2834 1 auto rootIter = root.cbeginChildOn();
2835
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1 EXPECT_EQ(c0, rootIter.getCoord());
2836 ++rootIter;
2837
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1 EXPECT_EQ(c1, rootIter.getCoord());
2838 }
2839 }
2840
2841 { // test inserting tiles and replacing them with child nodes
2842 RootNodeType root(0.0f);
2843
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1 EXPECT_TRUE(root.empty());
2844
2845 // no-op
2846 root.addChild(nullptr);
2847
2848 // populate the root node by inserting tiles
2849
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1 root.addTile(c0, /*value=*/1.0f, /*state=*/true);
2850
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1 root.addTile(c1, /*value=*/2.0f, /*state=*/true);
2851
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1 EXPECT_EQ(openvdb::Index(2), root.getTableSize());
2852
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1 EXPECT_EQ(openvdb::Index32(0), root.childCount());
2853
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1 EXPECT_TRUE(root.hasActiveTiles());
2854
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1 ASSERT_DOUBLES_EXACTLY_EQUAL(1.0f, root.getValue(c0));
2855
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1 ASSERT_DOUBLES_EXACTLY_EQUAL(2.0f, root.getValue(c1));
2856
2857 // insert child nodes with the same coordinates
2858
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1 root.addChild(new ChildType(c0, 3.0f));
2859
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1 root.addChild(new ChildType(c1, 4.0f));
2860
2861 // insert a new child at c0
2862
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1 root.addChild(new ChildType(c0, 5.0f));
2863
2864 // verify active tiles have been replaced by child nodes
2865
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1 EXPECT_EQ(openvdb::Index(2), root.getTableSize());
2866
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1 EXPECT_EQ(openvdb::Index32(2), root.childCount());
2867
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1 EXPECT_TRUE(!root.hasActiveTiles());
2868
2869 { // verify the coordinates of the root node children
2870 1 auto rootIter = root.cbeginChildOn();
2871
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1 EXPECT_EQ(c0, rootIter.getCoord());
2872
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1 ASSERT_DOUBLES_EXACTLY_EQUAL(5.0f, root.getValue(c0));
2873 ++rootIter;
2874
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1 EXPECT_EQ(c1, rootIter.getCoord());
2875 }
2876 }
2877
2878 #if OPENVDB_ABI_VERSION_NUMBER >= 9
2879 { // test transient data
2880 RootNodeType rootNode(0.0f);
2881
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1 EXPECT_EQ(openvdb::Index32(0), rootNode.transientData());
2882 rootNode.setTransientData(openvdb::Index32(5));
2883
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1 EXPECT_EQ(openvdb::Index32(5), rootNode.transientData());
2884
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1 RootNodeType rootNode2(rootNode);
2885
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1 EXPECT_EQ(openvdb::Index32(5), rootNode2.transientData());
2886
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1 RootNodeType rootNode3 = rootNode;
2887
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1 EXPECT_EQ(openvdb::Index32(5), rootNode3.transientData());
2888 }
2889 #endif
2890 1 }
2891
2892
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2 TEST_F(TestTree, testInternalNode)
2893 {
2894 const openvdb::Coord c0(1000, 1000, 1000);
2895 const openvdb::Coord c1(896, 896, 896);
2896
2897 using InternalNodeType = InternalNodeType1;
2898 using ChildType = LeafNodeType;
2899
2900 { // test inserting child nodes directly and indirectly
2901 1 openvdb::Coord c2 = c1.offsetBy(8,0,0);
2902 1 openvdb::Coord c3 = c1.offsetBy(16,16,16);
2903
2904 2 InternalNodeType internalNode(c1, 0.0f);
2905
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1 internalNode.touchLeaf(c2);
2906
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1 internalNode.touchLeaf(c3);
2907
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1 EXPECT_EQ(openvdb::Index(2), internalNode.leafCount());
2909
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1 EXPECT_EQ(openvdb::Index32(2), internalNode.childCount());
2910
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1 EXPECT_TRUE(!internalNode.hasActiveTiles());
2911
2912 { // verify c0 and c1 are the root node coordinates
2913 auto childIter = internalNode.cbeginChildOn();
2914
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2 EXPECT_EQ(c2, childIter.getCoord());
2915 ++childIter;
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2 EXPECT_EQ(c3, childIter.getCoord());
2917 }
2918
2919 // copy the internal node
2920
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2 InternalNodeType internalNodeCopy(internalNode);
2921
2922 // steal the internal node children leaving it empty again
2923 std::vector<ChildType*> children;
2924
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1 internalNode.stealNodes(children, 0.0f, false);
2925
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1 EXPECT_EQ(openvdb::Index(0), internalNode.leafCount());
2926
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1 EXPECT_EQ(openvdb::Index32(0), internalNode.childCount());
2927
2928 // insert the root node children directly
2929
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3 for (ChildType* child : children) {
2930 2 internalNode.addChild(child);
2931 }
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2933
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1 EXPECT_EQ(openvdb::Index32(2), internalNode.childCount());
2934
2935 { // verify the coordinates of the root node children
2936 auto childIter = internalNode.cbeginChildOn();
2937
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2 EXPECT_EQ(c2, childIter.getCoord());
2938 ++childIter;
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2 EXPECT_EQ(c3, childIter.getCoord());
2940 }
2941 }
2942
2943 { // test inserting a tile and replacing with a child node
2944 2 InternalNodeType internalNode(c1, 0.0f);
2945
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1 EXPECT_TRUE(!internalNode.hasActiveTiles());
2946
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2947
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1 EXPECT_EQ(openvdb::Index32(0), internalNode.childCount());
2948
2949 // add a tile
2950 1 internalNode.addTile(openvdb::Index(0), /*value=*/1.0f, /*state=*/true);
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1 EXPECT_TRUE(internalNode.hasActiveTiles());
2952
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1 EXPECT_EQ(openvdb::Index(0), internalNode.leafCount());
2953
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1 EXPECT_EQ(openvdb::Index32(0), internalNode.childCount());
2954
2955 // replace the tile with a child node
2956
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1 EXPECT_TRUE(internalNode.addChild(new ChildType(c1, 2.0f)));
2957
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1 EXPECT_TRUE(!internalNode.hasActiveTiles());
2958
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1 EXPECT_EQ(openvdb::Index(1), internalNode.leafCount());
2959
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1 EXPECT_EQ(openvdb::Index32(1), internalNode.childCount());
2960
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2 EXPECT_EQ(c1, internalNode.cbeginChildOn().getCoord());
2961
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1 ASSERT_DOUBLES_EXACTLY_EQUAL(2.0f, internalNode.cbeginChildOn()->getValue(0));
2962
2963 // replace the child node with another child node
2964
3/20
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1 EXPECT_TRUE(internalNode.addChild(new ChildType(c1, 3.0f)));
2965
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1 ASSERT_DOUBLES_EXACTLY_EQUAL(3.0f, internalNode.cbeginChildOn()->getValue(0));
2966 }
2967
2968 { // test inserting child nodes that do and do not belong to the internal node
2969
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2 InternalNodeType internalNode(c1, 0.0f);
2970
2971 // succeed if child belongs to this internal node
2972
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1 EXPECT_TRUE(internalNode.addChild(new ChildType(c0.offsetBy(8,0,0))));
2973
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1 EXPECT_TRUE(internalNode.probeLeaf(c0.offsetBy(8,0,0)));
2974 openvdb::Index index1 = internalNode.coordToOffset(c0);
2975 openvdb::Index index2 = internalNode.coordToOffset(c0.offsetBy(8,0,0));
2976
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1 EXPECT_TRUE(!internalNode.isChildMaskOn(index1));
2977
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1 EXPECT_TRUE(internalNode.isChildMaskOn(index2));
2978
2979 // fail otherwise
2980
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1 auto* child = new ChildType(c0.offsetBy(8000,0,0));
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1 EXPECT_TRUE(!internalNode.addChild(child));
2982
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2 delete child;
2983 }
2984
2985 #if OPENVDB_ABI_VERSION_NUMBER >= 9
2986 { // test transient data
2987
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2 InternalNodeType internalNode(c1, 0.0f);
2988
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1 EXPECT_EQ(openvdb::Index32(0), internalNode.transientData());
2989 internalNode.setTransientData(openvdb::Index32(5));
2990
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1 EXPECT_EQ(openvdb::Index32(5), internalNode.transientData());
2991
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2 InternalNodeType internalNode2(internalNode);
2992
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1 EXPECT_EQ(openvdb::Index32(5), internalNode2.transientData());
2993
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2 InternalNodeType internalNode3 = internalNode;
2994
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1 EXPECT_EQ(openvdb::Index32(5), internalNode3.transientData());
2995 }
2996 #endif
2997 1 }
2998