OpenVDB: UT_VDBUtils.h Source File

OpenVDB 8.0.0

UT_VDBUtils.h
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1 // Copyright Contributors to the OpenVDB Project
2 // SPDX-License-Identifier: MPL-2.0
3
4 /*
5 * Copyright (c) Side Effects Software Inc.
6 *
7 * Produced by:
8 * Side Effects Software Inc.
9 * 123 Front Street West, Suite 1401
10 * Toronto, Ontario
11 * Canada M5J 2M2
12 * 416-366-4607
13 */
14
15 #include <UT/UT_Version.h>
16
17 #if !defined(SESI_OPENVDB) && !defined(SESI_OPENVDB_PRIM)
18
19 #include <UT/UT_VDBUtils.h>
20
21 #else
22
23 #ifndef __HDK_UT_VDBUtils__
24 #define __HDK_UT_VDBUtils__
25
26 enum UT_VDBType
27 {
28 UT_VDB_INVALID,
29 UT_VDB_FLOAT,
30 UT_VDB_DOUBLE,
31 UT_VDB_INT32,
32 UT_VDB_INT64,
33 UT_VDB_BOOL,
34 UT_VDB_VEC3F,
35 UT_VDB_VEC3D,
36 UT_VDB_VEC3I,
37 UT_VDB_POINTINDEX,
38 UT_VDB_POINTDATA,
39 };
40
41 #include <openvdb/openvdb.h>
42 #include <openvdb/tools/PointIndexGrid.h>
43 #include <openvdb/points/PointDataGrid.h>
44
45 #include <UT/UT_Assert.h>
46 #include <UT/UT_BoundingBox.h>
47 #include <UT/UT_Matrix4.h>
48 #include <UT/UT_Matrix3.h>
49 #include <UT/UT_Matrix2.h>
50 #include <SYS/SYS_Math.h>
51
52
54 inline void UTvdbInitialize() { openvdb::initialize(); }
55
57 inline UT_VDBType
58 UTvdbGetGridType(const openvdb::GridBase &grid)
59 {
60 using namespace openvdb;
61 using namespace openvdb::tools;
62 using namespace openvdb::points;
63
64 if (grid.isType<FloatGrid>())
65 return UT_VDB_FLOAT;
66 if (grid.isType<DoubleGrid>())
67 return UT_VDB_DOUBLE;
68 if (grid.isType<Int32Grid>())
69 return UT_VDB_INT32;
70 if (grid.isType<Int64Grid>())
71 return UT_VDB_INT64;
72 if (grid.isType<BoolGrid>())
73 return UT_VDB_BOOL;
74 if (grid.isType<Vec3fGrid>())
75 return UT_VDB_VEC3F;
76 if (grid.isType<Vec3dGrid>())
77 return UT_VDB_VEC3D;
78 if (grid.isType<Vec3IGrid>())
79 return UT_VDB_VEC3I;
80 if (grid.isType<Vec3IGrid>())
81 return UT_VDB_VEC3I;
82 if (grid.isType<PointIndexGrid>())
83 return UT_VDB_POINTINDEX;
84 if (grid.isType<PointDataGrid>())
85 return UT_VDB_POINTDATA;
86
87 return UT_VDB_INVALID;
88 }
89
91 inline const char *
92 UTvdbGetGridTypeString(const openvdb::GridBase &grid)
93 {
94 switch(UTvdbGetGridType(grid))
95 {
96 case UT_VDB_FLOAT:
97 return "float";
98 case UT_VDB_DOUBLE:
99 return "double";
100 case UT_VDB_INT32:
101 return "int32";
102 case UT_VDB_INT64:
103 return "int64";
104 case UT_VDB_BOOL:
105 return "bool";
106 case UT_VDB_VEC3F:
107 return "Vec3f";
108 case UT_VDB_VEC3D:
109 return "Vec3d";
110 case UT_VDB_VEC3I:
111 return "Vec3i";
112 case UT_VDB_POINTINDEX:
113 return "PointIndex";
114 case UT_VDB_POINTDATA:
115 return "PointData";
116 default:
117 return "invalid type";
118 }
119 }
120
122 inline int
123 UTvdbGetGridTupleSize(UT_VDBType type)
124 {
125 switch(type)
126 {
127 case UT_VDB_FLOAT:
128 case UT_VDB_DOUBLE:
129 case UT_VDB_INT32:
130 case UT_VDB_INT64:
131 case UT_VDB_BOOL:
132 return 1;
133
134 case UT_VDB_VEC3F:
135 case UT_VDB_VEC3D:
136 case UT_VDB_VEC3I:
137 return 3;
138
139 case UT_VDB_POINTINDEX:
140 case UT_VDB_POINTDATA:
141 case UT_VDB_INVALID:
142 default:
143 break;
144 }
145
146 return 0;
147 }
148
150 inline int
151 UTvdbGetGridTupleSize(const openvdb::GridBase &grid)
152 {
153 return UTvdbGetGridTupleSize(UTvdbGetGridType(grid));
154 }
155
158 template <typename T>
159 struct UT_VDBMath
160 {
161 static void plusEqual(T &lhs, const T &rhs)
162 { lhs += rhs; }
163 };
164 template <>
165 struct UT_VDBMath<bool>
166 {
167 static void plusEqual(bool &lhs, const bool &rhs)
168 { lhs = lhs | rhs; }
169 };
171
174 template <typename GridType>
175 inline const GridType *
176 UTvdbGridCast(const openvdb::GridBase *grid)
177 { return UTverify_cast<const GridType *>(grid); }
178
179 template <typename GridType>
180 inline GridType *
181 UTvdbGridCast(openvdb::GridBase *grid)
182 { return UTverify_cast<GridType *>(grid); }
183
184 template <typename GridType>
185 inline const GridType &
186 UTvdbGridCast(const openvdb::GridBase &grid)
187 { return *UTverify_cast<const GridType *>(&grid); }
188
189 template <typename GridType>
190 inline GridType &
191 UTvdbGridCast(openvdb::GridBase &grid)
192 { return *UTverify_cast<GridType *>(&grid); }
193
194 template <typename GridType>
195 inline typename GridType::ConstPtr
196 UTvdbGridCast(openvdb::GridBase::ConstPtr grid)
197 { return openvdb::gridConstPtrCast<GridType>(grid); }
198
199 template <typename GridType>
200 inline typename GridType::Ptr
201 UTvdbGridCast(openvdb::GridBase::Ptr grid)
202 { return openvdb::gridPtrCast<GridType>(grid); }
204
206
207 namespace UT_VDBUtils {
208
209 // Helper function used internally by UTvdbProcessTypedGrid()
210 // to instantiate a templated functor for a specific grid type
211 // and then to call the functor with a grid of that type
212 template<typename GridType, typename OpType, typename GridBaseType>
213 inline void
214 callTypedGrid(GridBaseType &grid, OpType& op)
215 {
216 op.template operator()<GridType>(UTvdbGridCast<GridType>(grid));
217 }
218
219 } // namespace UT_VDBUtils
220
222
223
252 #define UT_VDB_DECL_PROCESS_TYPED_GRID(GRID_BASE_T) \
253 template<typename OpType> \
254 inline bool \
255 UTvdbProcessTypedGrid(UT_VDBType grid_type, GRID_BASE_T grid, OpType& op) \
256 { \
257 using namespace openvdb; \
258 using namespace UT_VDBUtils; \
259 switch (grid_type) \
260 { \
261 case UT_VDB_FLOAT: callTypedGrid<FloatGrid>(grid, op); break; \
262 case UT_VDB_DOUBLE: callTypedGrid<DoubleGrid>(grid, op); break; \
263 case UT_VDB_INT32: callTypedGrid<Int32Grid>(grid, op); break; \
264 case UT_VDB_INT64: callTypedGrid<Int64Grid>(grid, op); break; \
265 case UT_VDB_VEC3F: callTypedGrid<Vec3SGrid>(grid, op); break; \
266 case UT_VDB_VEC3D: callTypedGrid<Vec3DGrid>(grid, op); break; \
267 case UT_VDB_VEC3I: callTypedGrid<Vec3IGrid>(grid, op); break; \
268 default: return false; \
269 } \
270 return true; \
271 } \
272 template<typename OpType> \
273 inline bool \
274 UTvdbProcessTypedGridTopology(UT_VDBType grid_type, GRID_BASE_T grid, OpType& op) \
275 { \
276 using namespace openvdb; \
277 using namespace UT_VDBUtils; \
278 switch (grid_type) \
279 { \
280 case UT_VDB_FLOAT: callTypedGrid<FloatGrid>(grid, op); break; \
281 case UT_VDB_DOUBLE: callTypedGrid<DoubleGrid>(grid, op); break; \
282 case UT_VDB_INT32: callTypedGrid<Int32Grid>(grid, op); break; \
283 case UT_VDB_INT64: callTypedGrid<Int64Grid>(grid, op); break; \
284 case UT_VDB_VEC3F: callTypedGrid<Vec3SGrid>(grid, op); break; \
285 case UT_VDB_VEC3D: callTypedGrid<Vec3DGrid>(grid, op); break; \
286 case UT_VDB_VEC3I: callTypedGrid<Vec3IGrid>(grid, op); break; \
287 case UT_VDB_BOOL: callTypedGrid<BoolGrid>(grid, op); break; \
288 default: return false; \
289 } \
290 return true; \
291 } \
292 template<typename OpType> \
293 inline bool \
294 UTvdbProcessTypedGridVec3(UT_VDBType grid_type, GRID_BASE_T grid, OpType& op) \
295 { \
296 using namespace openvdb; \
297 using namespace UT_VDBUtils; \
298 switch (grid_type) \
299 { \
300 case UT_VDB_VEC3F: callTypedGrid<Vec3SGrid>(grid, op); break; \
301 case UT_VDB_VEC3D: callTypedGrid<Vec3DGrid>(grid, op); break; \
302 case UT_VDB_VEC3I: callTypedGrid<Vec3IGrid>(grid, op); break; \
303 default: return false; \
304 } \
305 return true; \
306 } \
307 template<typename OpType> \
308 inline bool \
309 UTvdbProcessTypedGridScalar(UT_VDBType grid_type, GRID_BASE_T grid, OpType& op) \
310 { \
311 using namespace openvdb; \
312 using namespace UT_VDBUtils; \
313 switch (grid_type) \
314 { \
315 case UT_VDB_FLOAT: callTypedGrid<FloatGrid>(grid, op); break; \
316 case UT_VDB_DOUBLE: callTypedGrid<DoubleGrid>(grid, op); break; \
317 case UT_VDB_INT32: callTypedGrid<Int32Grid>(grid, op); break; \
318 case UT_VDB_INT64: callTypedGrid<Int64Grid>(grid, op); break; \
319 default: return false; \
320 } \
321 return true; \
322 } \
323 template<typename OpType> \
324 inline bool \
325 UTvdbProcessTypedGridReal(UT_VDBType grid_type, GRID_BASE_T grid, OpType& op) \
326 { \
327 using namespace openvdb; \
328 using namespace UT_VDBUtils; \
329 switch (grid_type) \
330 { \
331 case UT_VDB_FLOAT: callTypedGrid<FloatGrid>(grid, op); break; \
332 case UT_VDB_DOUBLE: callTypedGrid<DoubleGrid>(grid, op); break; \
333 default: return false; \
334 } \
335 return true; \
336 } \
337 template<typename OpType> \
338 inline bool \
339 UTvdbProcessTypedGridPoint(UT_VDBType grid_type, GRID_BASE_T grid, OpType& op) \
340 { \
341 using namespace openvdb; \
342 using namespace openvdb::tools; \
343 using namespace openvdb::points; \
344 using namespace UT_VDBUtils; \
345 switch (grid_type) \
346 { \
347 case UT_VDB_POINTINDEX: callTypedGrid<PointIndexGrid>(grid, op); break; \
348 case UT_VDB_POINTDATA: callTypedGrid<PointDataGrid>(grid, op); break; \
349 default: return false; \
350 } \
351 return true; \
352 } \
353
354 UT_VDB_DECL_PROCESS_TYPED_GRID(const openvdb::GridBase &)
355 UT_VDB_DECL_PROCESS_TYPED_GRID(const openvdb::GridBase *)
356 UT_VDB_DECL_PROCESS_TYPED_GRID(openvdb::GridBase::ConstPtr)
357 UT_VDB_DECL_PROCESS_TYPED_GRID(openvdb::GridBase &)
358 UT_VDB_DECL_PROCESS_TYPED_GRID(openvdb::GridBase *)
359 UT_VDB_DECL_PROCESS_TYPED_GRID(openvdb::GridBase::Ptr)
360
361
363
364 // Helper macro for UTvdbCall* macros, do not outside of this file!
365 #define UT_VDB_CALL(GRIDT, RETURN, FNAME, GRIDBASE, ...) \
366 { \
367 RETURN FNAME <GRIDT> (UTvdbGridCast<GRIDT>(GRIDBASE), __VA_ARGS__ ); \
368 } \
369
370
372
385 #define UTvdbCallRealType(TYPE, FNAME, GRIDBASE, ...) \
386 if (TYPE == UT_VDB_FLOAT) \
387 UT_VDB_CALL(openvdb::FloatGrid,(void),FNAME,GRIDBASE,__VA_ARGS__) \
388 else if (TYPE == UT_VDB_DOUBLE) \
389 UT_VDB_CALL(openvdb::DoubleGrid,(void),FNAME,GRIDBASE,__VA_ARGS__) \
390
391 #define UTvdbCallScalarType(TYPE, FNAME, GRIDBASE, ...) \
392 UTvdbCallRealType(TYPE, FNAME, GRIDBASE, __VA_ARGS__) \
393 else if (TYPE == UT_VDB_INT32) \
394 UT_VDB_CALL(openvdb::Int32Grid,(void),FNAME,GRIDBASE,__VA_ARGS__) \
395 else if (TYPE == UT_VDB_INT64) \
396 UT_VDB_CALL(openvdb::Int64Grid,(void),FNAME,GRIDBASE,__VA_ARGS__) \
397
398 #define UTvdbCallVec3Type(TYPE, FNAME, GRIDBASE, ...) \
399 if (TYPE == UT_VDB_VEC3F) \
400 UT_VDB_CALL(openvdb::Vec3fGrid,(void),FNAME,GRIDBASE,__VA_ARGS__) \
401 else if (TYPE == UT_VDB_VEC3D) \
402 UT_VDB_CALL(openvdb::Vec3dGrid,(void),FNAME,GRIDBASE,__VA_ARGS__) \
403 else if (TYPE == UT_VDB_VEC3I) \
404 UT_VDB_CALL(openvdb::Vec3IGrid,(void),FNAME,GRIDBASE,__VA_ARGS__) \
405
406 #define UTvdbCallPointType(TYPE, FNAME, GRIDBASE, ...) \
407 if (TYPE == UT_VDB_POINTINDEX) \
408 UT_VDB_CALL(openvdb::tools::PointIndexGrid,(void),FNAME,GRIDBASE,__VA_ARGS__) \
409 else if (TYPE == UT_VDB_POINTDATA) \
410 UT_VDB_CALL(openvdb::points::PointDataGrid,(void),FNAME,GRIDBASE,__VA_ARGS__) \
411
412 #define UTvdbCallBoolType(TYPE, FNAME, GRIDBASE, ...) \
413 if (TYPE == UT_VDB_BOOL) \
414 UT_VDB_CALL(openvdb::BoolGrid,(void),FNAME,GRIDBASE,__VA_ARGS__) \
415
416 #define UTvdbCallAllType(TYPE, FNAME, GRIDBASE, ...) \
417 UTvdbCallScalarType(TYPE, FNAME, GRIDBASE, __VA_ARGS__) \
418 else UTvdbCallVec3Type(TYPE, FNAME, GRIDBASE, __VA_ARGS__); \
419
420 #define UTvdbCallAllTopology(TYPE, FNAME, GRIDBASE, ...) \
421 UTvdbCallScalarType(TYPE, FNAME, GRIDBASE, __VA_ARGS__) \
422 else UTvdbCallVec3Type(TYPE, FNAME, GRIDBASE, __VA_ARGS__) \
423 else UTvdbCallBoolType(TYPE, FNAME, GRIDBASE, __VA_ARGS__) \
424
425
426
428
445 #define UTvdbReturnRealType(TYPE, FNAME, GRIDBASE, ...) \
446 if (TYPE == UT_VDB_FLOAT) \
447 UT_VDB_CALL(openvdb::FloatGrid,return,FNAME,GRIDBASE,__VA_ARGS__) \
448 else if (TYPE == UT_VDB_DOUBLE) \
449 UT_VDB_CALL(openvdb::DoubleGrid,return,FNAME,GRIDBASE,__VA_ARGS__) \
450
451 #define UTvdbReturnScalarType(TYPE, FNAME, GRIDBASE, ...) \
452 UTvdbReturnRealType(TYPE, FNAME, GRIDBASE, __VA_ARGS__) \
453 else if (TYPE == UT_VDB_INT32) \
454 UT_VDB_CALL(openvdb::Int32Grid,return,FNAME,GRIDBASE,__VA_ARGS__) \
455 else if (TYPE == UT_VDB_INT64) \
456 UT_VDB_CALL(openvdb::Int64Grid,return,FNAME,GRIDBASE,__VA_ARGS__) \
457
458 #define UTvdbReturnVec3Type(TYPE, FNAME, GRIDBASE, ...) \
459 if (TYPE == UT_VDB_VEC3F) \
460 UT_VDB_CALL(openvdb::Vec3fGrid,return,FNAME,GRIDBASE,__VA_ARGS__) \
461 else if (TYPE == UT_VDB_VEC3D) \
462 UT_VDB_CALL(openvdb::Vec3dGrid,return,FNAME,GRIDBASE,__VA_ARGS__) \
463 else if (TYPE == UT_VDB_VEC3I) \
464 UT_VDB_CALL(openvdb::Vec3IGrid,return,FNAME,GRIDBASE,__VA_ARGS__) \
465
466 #define UTvdbReturnPointType(TYPE, FNAME, GRIDBASE, ...) \
467 if (TYPE == UT_VDB_POINTINDEX) \
468 UT_VDB_CALL(openvdb::tools::PointIndexGrid,return,FNAME,GRIDBASE,__VA_ARGS__) \
469 else if (TYPE == UT_VDB_POINTDATA) \
470 UT_VDB_CALL(openvdb::points::PointDataGrid,return,FNAME,GRIDBASE,__VA_ARGS__) \
471
472 #define UTvdbReturnBoolType(TYPE, FNAME, GRIDBASE, ...) \
473 if (TYPE == UT_VDB_BOOL) \
474 UT_VDB_CALL(openvdb::BoolGrid,return,FNAME,GRIDBASE,__VA_ARGS__) \
475
476 #define UTvdbReturnAllType(TYPE, FNAME, GRIDBASE, ...) \
477 UTvdbReturnScalarType(TYPE, FNAME, GRIDBASE, __VA_ARGS__) \
478 else UTvdbReturnVec3Type(TYPE, FNAME, GRIDBASE, __VA_ARGS__); \
479
480 #define UTvdbReturnAllTopology(TYPE, FNAME, GRIDBASE, ...) \
481 UTvdbReturnScalarType(TYPE, FNAME, GRIDBASE, __VA_ARGS__) \
482 else UTvdbReturnVec3Type(TYPE, FNAME, GRIDBASE, __VA_ARGS__) \
483 else UTvdbReturnBoolType(TYPE, FNAME, GRIDBASE, __VA_ARGS__) \
484
485
486
487
489
490
492 // @{
493 template <typename S>
494 UT_Matrix4T<S>
495 UTvdbConvert(const openvdb::math::Mat4<S> &src)
496 {
497 return UT_Matrix4T<S>(src(0,0), src(0,1), src(0,2), src(0,3),
498 src(1,0), src(1,1), src(1,2), src(1,3),
499 src(2,0), src(2,1), src(2,2), src(2,3),
500 src(3,0), src(3,1), src(3,2), src(3,3));
501 }
502
503 template <typename S>
504 UT_Matrix3T<S>
505 UTvdbConvert(const openvdb::math::Mat3<S> &src)
506 {
507 return UT_Matrix3T<S>(src(0,0), src(0,1), src(0,2),
508 src(1,0), src(1,1), src(1,2),
509 src(2,0), src(2,1), src(2,2));
510 }
511
512 template <typename S>
513 UT_Matrix2T<S>
514 UTvdbConvert(const openvdb::math::Mat2<S> &src)
515 {
516 return UT_Matrix2T<S>(src(0,0), src(0,1),
517 src(1,0), src(1,1));
518 }
519 // @}
520
522 // @{
523 template <typename S>
524 openvdb::math::Mat4<S>
525 UTvdbConvert(const UT_Matrix4T<S> &src)
526 {
527 return openvdb::math::Mat4<S>(src(0,0), src(0,1), src(0,2), src(0,3),
528 src(1,0), src(1,1), src(1,2), src(1,3),
529 src(2,0), src(2,1), src(2,2), src(2,3),
530 src(3,0), src(3,1), src(3,2), src(3,3));
531 }
532 template <typename S>
533 openvdb::math::Mat3<S>
534 UTvdbConvert(const UT_Matrix3T<S> &src)
535 {
536 return openvdb::math::Mat3<S>(src(0,0), src(0,1), src(0,2),
537 src(1,0), src(1,1), src(1,2),
538 src(2,0), src(2,1), src(2,2));
539 }
540 template <typename S>
541 openvdb::math::Mat2<S>
542 UTvdbConvert(const UT_Matrix2T<S> &src)
543 {
544 return openvdb::math::Mat2<S>(src(0,0), src(0,1),
545 src(1,0), src(1,1));
546 }
547 // @}
548
550 // @{
551 template <typename S>
552 UT_Vector4T<S>
553 UTvdbConvert(const openvdb::math::Vec4<S> &src)
554 {
555 return UT_Vector4T<S>(src.asPointer());
556 }
557 template <typename S>
558 UT_Vector3T<S>
559 UTvdbConvert(const openvdb::math::Vec3<S> &src)
560 {
561 return UT_Vector3T<S>(src.asPointer());
562 }
563 template <typename S>
564 UT_Vector2T<S>
565 UTvdbConvert(const openvdb::math::Vec2<S> &src)
566 {
567 return UT_Vector2T<S>(src.asPointer());
568 }
569 // @}
570
572 // @{
573 template <typename S>
574 openvdb::math::Vec4<S>
575 UTvdbConvert(const UT_Vector4T<S> &src)
576 {
577 return openvdb::math::Vec4<S>(src.data());
578 }
579 template <typename S>
580 openvdb::math::Vec3<S>
581 UTvdbConvert(const UT_Vector3T<S> &src)
582 {
583 return openvdb::math::Vec3<S>(src.data());
584 }
585 template <typename S>
586 openvdb::math::Vec2<S>
587 UTvdbConvert(const UT_Vector2T<S> &src)
588 {
589 return openvdb::math::Vec2<S>(src.data());
590 }
591 // @}
592
593
595 inline UT_BoundingBoxD
596 UTvdbConvert(const openvdb::CoordBBox &bbox)
597 {
598 return UT_BoundingBoxD(UTvdbConvert(bbox.getStart().asVec3d()),
599 UTvdbConvert(bbox.getEnd().asVec3d()));
600 }
601
603 inline openvdb::math::CoordBBox
604 UTvdbConvert(const UT_BoundingBoxI &bbox)
605 {
606 return openvdb::math::CoordBBox(
607 openvdb::math::Coord(bbox.xmin(), bbox.ymin(), bbox.zmin()),
608 openvdb::math::Coord(bbox.xmax(), bbox.ymax(), bbox.zmax()));
609 }
610
613 inline openvdb::math::Transform::Ptr
614 UTvdbCreateTransform(const UT_Vector3 &orig, const UT_Vector3 &voxsize)
615 {
616 // Transforms only valid for square voxels.
617 UT_ASSERT(SYSalmostEqual(voxsize.minComponent(), voxsize.maxComponent()));
618 fpreal vs = voxsize.maxComponent();
619 openvdb::math::Transform::Ptr xform =
620 openvdb::math::Transform::createLinearTransform(vs);
621 // Ensure voxel centers line up.
622 xform->postTranslate(UTvdbConvert(orig) + vs / 2);
623 return xform;
624 }
625
626 template <typename T>
627 inline openvdb::math::Vec4<T> SYSabs(const openvdb::math::Vec4<T> &v1)
628 { return openvdb::math::Vec4<T>( SYSabs(v1[0]),
629 SYSabs(v1[1]),
630 SYSabs(v1[2]),
631 SYSabs(v1[3])
632 );
633 }
634 template <typename T>
635 inline openvdb::math::Vec3<T> SYSabs(const openvdb::math::Vec3<T> &v1)
636 { return openvdb::math::Vec3<T>( SYSabs(v1[0]),
637 SYSabs(v1[1]),
638 SYSabs(v1[2])
639 );
640 }
641 template <typename T>
642 inline openvdb::math::Vec2<T> SYSabs(const openvdb::math::Vec2<T> &v1)
643 { return openvdb::math::Vec2<T>( SYSabs(v1[0]),
644 SYSabs(v1[1])
645 );
646 }
647
648 template <typename T>
649 inline openvdb::math::Vec4<T> SYSmin(const openvdb::math::Vec4<T> &v1, const openvdb::math::Vec4<T> &v2)
650 { return openvdb::math::Vec4<T>( SYSmin(v1[0], v2[0]),
651 SYSmin(v1[1], v2[1]),
652 SYSmin(v1[2], v2[2]),
653 SYSmin(v1[3], v2[3])
654 );
655 }
656 template <typename T>
657 inline openvdb::math::Vec4<T> SYSmax(const openvdb::math::Vec4<T> &v1, const openvdb::math::Vec4<T> &v2)
658 { return openvdb::math::Vec4<T>( SYSmax(v1[0], v2[0]),
659 SYSmax(v1[1], v2[1]),
660 SYSmax(v1[2], v2[2]),
661 SYSmax(v1[3], v2[3])
662 );
663 }
664 template <typename T>
665 inline openvdb::math::Vec4<T> SYSmin(const openvdb::math::Vec4<T> &v1, const openvdb::math::Vec4<T> &v2, const openvdb::math::Vec4<T> &v3)
666 { return openvdb::math::Vec4<T>( SYSmin(v1[0], v2[0], v3[0]),
667 SYSmin(v1[1], v2[1], v3[1]),
668 SYSmin(v1[2], v2[2], v3[2]),
669 SYSmin(v1[3], v2[3], v3[3])
670 );
671 }
672 template <typename T>
673 inline openvdb::math::Vec4<T> SYSmax(const openvdb::math::Vec4<T> &v1, const openvdb::math::Vec4<T> &v2, const openvdb::math::Vec4<T> &v3)
674 { return openvdb::math::Vec4<T>( SYSmax(v1[0], v2[0], v3[0]),
675 SYSmax(v1[1], v2[1], v3[1]),
676 SYSmax(v1[2], v2[2], v3[2]),
677 SYSmax(v1[3], v2[3], v3[3])
678 );
679 }
680 template <typename T>
681 inline openvdb::math::Vec3<T> SYSmin(const openvdb::math::Vec3<T> &v1, const openvdb::math::Vec3<T> &v2)
682 { return openvdb::math::Vec3<T>( SYSmin(v1[0], v2[0]),
683 SYSmin(v1[1], v2[1]),
684 SYSmin(v1[2], v2[2])
685 );
686 }
687 template <typename T>
688 inline openvdb::math::Vec3<T> SYSmax(const openvdb::math::Vec3<T> &v1, const openvdb::math::Vec3<T> &v2)
689 { return openvdb::math::Vec3<T>( SYSmax(v1[0], v2[0]),
690 SYSmax(v1[1], v2[1]),
691 SYSmax(v1[2], v2[2])
692 );
693 }
694 template <typename T>
695 inline openvdb::math::Vec3<T> SYSmin(const openvdb::math::Vec3<T> &v1, const openvdb::math::Vec3<T> &v2, const openvdb::math::Vec3<T> &v3)
696 { return openvdb::math::Vec3<T>( SYSmin(v1[0], v2[0], v3[0]),
697 SYSmin(v1[1], v2[1], v3[1]),
698 SYSmin(v1[2], v2[2], v3[2])
699 );
700 }
701 template <typename T>
702 inline openvdb::math::Vec3<T> SYSmax(const openvdb::math::Vec3<T> &v1, const openvdb::math::Vec3<T> &v2, const openvdb::math::Vec3<T> &v3)
703 { return openvdb::math::Vec3<T>( SYSmax(v1[0], v2[0], v3[0]),
704 SYSmax(v1[1], v2[1], v3[1]),
705 SYSmax(v1[2], v2[2], v3[2])
706 );
707 }
708 template <typename T>
709 inline openvdb::math::Vec2<T> SYSmin(const openvdb::math::Vec2<T> &v1, const openvdb::math::Vec2<T> &v2)
710 { return openvdb::math::Vec2<T>( SYSmin(v1[0], v2[0]),
711 SYSmin(v1[1], v2[1])
712 );
713 }
714 template <typename T>
715 inline openvdb::math::Vec2<T> SYSmax(const openvdb::math::Vec2<T> &v1, const openvdb::math::Vec2<T> &v2)
716 { return openvdb::math::Vec2<T>( SYSmax(v1[0], v2[0]),
717 SYSmax(v1[1], v2[1])
718 );
719 }
720 template <typename T>
721 inline openvdb::math::Vec2<T> SYSmin(const openvdb::math::Vec2<T> &v1, const openvdb::math::Vec2<T> &v2, const openvdb::math::Vec2<T> &v3)
722 { return openvdb::math::Vec2<T>( SYSmin(v1[0], v2[0], v3[0]),
723 SYSmin(v1[1], v2[1], v3[1])
724 );
725 }
726 template <typename T>
727 inline openvdb::math::Vec2<T> SYSmax(const openvdb::math::Vec2<T> &v1, const openvdb::math::Vec2<T> &v2, const openvdb::math::Vec2<T> &v3)
728 { return openvdb::math::Vec2<T>( SYSmax(v1[0], v2[0], v3[0]),
729 SYSmax(v1[1], v2[1], v3[1])
730 );
731 }
732
733 #endif // __HDK_UT_VDBUtils__
734
735 #endif // SESI_OPENVDB || SESI_OPENVDB_PRIM
openvdb::v8_2::tools::PointIndexGrid
Grid< PointIndexTree > PointIndexGrid
Point index grid.
Definition: PointIndexGrid.h:59
openvdb::v8_2::GridBase::ConstPtr
SharedPtr< const GridBase > ConstPtr
Definition: Grid.h:81
openvdb::v8_2::math::CoordBBox::getEnd
Coord getEnd() const
Return the maximum coordinate plus one.
Definition: Coord.h:336
openvdb::v8_2::initialize
OPENVDB_IMPORT void initialize()
Global registration of basic types.
PointIndexGrid.h
Space-partitioning acceleration structure for points. Partitions the points into voxels to accelerate...
openvdb::v8_2::GridBase
Abstract base class for typed grids.
Definition: Grid.h:78
openvdb::v8_2::DoubleGrid
Grid< DoubleTree > DoubleGrid
Definition: openvdb.h:44
PointDataGrid.h
Attribute-owned data structure for points. Point attributes are stored in leaf nodes and ordered by v...
openvdb::v8_2::FloatGrid
Grid< FloatTree > FloatGrid
Definition: openvdb.h:45
openvdb::v8_2::GridBase::Ptr
SharedPtr< GridBase > Ptr
Definition: Grid.h:80
openvdb::v8_2::math::CoordBBox::getStart
Coord getStart() const
Return the minimum coordinate.
Definition: Coord.h:333
openvdb::v8_2::Vec3dGrid
Vec3DGrid Vec3dGrid
Definition: openvdb.h:55
openvdb::v8_2::points::PointDataGrid
Grid< PointDataTree > PointDataGrid
Point data grid.
Definition: PointDataGrid.h:189
openvdb::v8_2::Int64Grid
Grid< Int64Tree > Int64Grid
Definition: openvdb.h:47
openvdb::v8_2::GridBase::isType
bool isType() const
Return true if this grid is of the same type as the template parameter.
Definition: Grid.h:148
openvdb::v8_2::Vec3IGrid
Grid< Vec3ITree > Vec3IGrid
Definition: openvdb.h:51
openvdb::v8_2::math::CoordBBox
Axis-aligned bounding box of signed integer coordinates.
Definition: Coord.h:249
openvdb::v8_2::Vec3fGrid
Vec3SGrid Vec3fGrid
Definition: openvdb.h:56
openvdb
Definition: openvdb/Exceptions.h:13
openvdb::v8_2::BoolGrid
Grid< BoolTree > BoolGrid
Common grid types.
Definition: openvdb.h:43
openvdb::v8_2::math::Coord::asVec3d
Vec3d asVec3d() const
Definition: Coord.h:144
openvdb::v8_2::Int32Grid
Grid< Int32Tree > Int32Grid
Definition: openvdb.h:46
openvdb.h