OpenVDB
2.0.0
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#include <openvdb/tree/ValueAccessor.h>
#include <openvdb/util/Util.h>
#include <openvdb/math/Operators.h>
#include <openvdb/tools/Morphology.h>
#include <openvdb/tree/LeafManager.h>
#include <boost/scoped_array.hpp>
#include <boost/scoped_ptr.hpp>
#include <tbb/blocked_range.h>
#include <tbb/parallel_for.h>
#include <tbb/parallel_reduce.h>
#include <vector>
#include <memory>
Go to the source code of this file.
Namespaces | |
openvdb | |
openvdb::v2_0_0 | |
openvdb::v2_0_0::tools | |
openvdb::v2_0_0::tools::internal | |
Typedefs | |
typedef boost::scoped_array < openvdb::Vec3s > | PointList |
Point and primitive list types. More... | |
typedef boost::scoped_array < PolygonPool > | PolygonPoolList |
Point and primitive list types. More... | |
Enumerations | |
enum | { POLYFLAG_EXTERIOR = 0x1, POLYFLAG_FRACTURE_SEAM = 0x2, POLYFLAG_SUBDIVIDED = 0x4 } |
Polygon flags, used for reference based meshing. More... | |
enum | { SIGNS = 0xFF, EDGES = 0xE00, INSIDE = 0x100, XEDGE = 0x200, YEDGE = 0x400, ZEDGE = 0x800, SEAM = 0x1000 } |
Bit-flags used to classify cells. More... | |
Functions | |
template<typename GridType > | |
void | volumeToMesh (const GridType &grid, std::vector< Vec3s > &points, std::vector< Vec4I > &quads, double isovalue=0.0) |
Uniformly mesh any scalar grid that has a continuous isosurface. More... | |
template<typename GridType > | |
void | volumeToMesh (const GridType &grid, std::vector< Vec3s > &points, std::vector< Vec3I > &triangles, std::vector< Vec4I > &quads, double isovalue=0.0, double adaptivity=0.0) |
Adaptively mesh any scalar grid that has a continuous isosurface. More... | |
Vec3d | findFeaturePoint (const std::vector< Vec3d > &points, const std::vector< Vec3d > &normals) |
Given a set of tangent elements, points with corresponding normals , this method returns the intersection point of all tangent elements. More... | |
bool | isPlanarQuad (const Vec3d &p0, const Vec3d &p1, const Vec3d &p2, const Vec3d &p3, double epsilon=0.001) |
template<typename AccessorT > | |
unsigned char | evalCellSigns (const AccessorT &accessor, const Coord &ijk, typename AccessorT::ValueType iso) |
General method that computes the cell-sign configuration at the given ijk coordinate. More... | |
template<typename LeafT > | |
unsigned char | evalCellSigns (const LeafT &leaf, const Index offset, typename LeafT::ValueType iso) |
Leaf node optimized method that computes the cell-sign configuration at the given local offset . More... | |
template<class AccessorT > | |
void | correctCellSigns (unsigned char &signs, unsigned char face, const AccessorT &acc, Coord ijk, typename AccessorT::ValueType iso) |
Used to correct topological ambiguities related to two adjacent cells that share an ambiguous face. More... | |
template<class AccessorT > | |
bool | isNonManifold (const AccessorT &accessor, const Coord &ijk, typename AccessorT::ValueType isovalue, const int dim) |
template<class LeafType > | |
void | mergeVoxels (LeafType &leaf, const Coord &start, int dim, int regionId) |
template<class LeafType > | |
bool | isMergable (LeafType &leaf, const Coord &start, int dim, typename LeafType::ValueType::value_type adaptivity) |
double | evalRoot (double v0, double v1, double iso) |
template<typename LeafT > | |
void | collectCornerValues (const LeafT &leaf, const Index offset, std::vector< double > &values) |
Extracts the eight corner values for leaf inclusive cells. More... | |
template<typename AccessorT > | |
void | collectCornerValues (const AccessorT &acc, const Coord &ijk, std::vector< double > &values) |
Extracts the eight corner values for a cell starting at the given ![]() | |
Vec3d | computePoint (const std::vector< double > &values, unsigned char signs, unsigned char edgeGroup, double iso) |
Computes the average cell point for a given edge group. More... | |
int | computeMaskedPoint (Vec3d &avg, const std::vector< double > &values, unsigned char signs, unsigned char signsMask, unsigned char edgeGroup, double iso) |
Computes the average cell point for a given edge group, ignoring edge samples present in the signsMask configuration. More... | |
Vec3d | computeWeightedPoint (const Vec3d &p, const std::vector< double > &values, unsigned char signs, unsigned char edgeGroup, double iso) |
Computes the average cell point for a given edge group, by computing convex weights based on the distance from the sample point p . More... | |
void | computeCellPoints (std::vector< Vec3d > &points, const std::vector< double > &values, unsigned char signs, double iso) |
Computes the average cell points defined by the sign configuration signs and the given corner values values . More... | |
int | matchEdgeGroup (unsigned char groupId, unsigned char lhsSigns, unsigned char rhsSigns) |
Given a sign configuration lhsSigns and an edge group groupId , finds the corresponding edge group in a different sign configuration rhsSigns . Returns -1 if no match is found. More... | |
void | computeCellPoints (std::vector< Vec3d > &points, std::vector< bool > &weightedPointMask, const std::vector< double > &lhsValues, const std::vector< double > &rhsValues, unsigned char lhsSigns, unsigned char rhsSigns, double iso, size_t pointIdx, const boost::scoped_array< uint32_t > &seamPoints) |
Computes the average cell points defined by the sign configuration signs and the given corner values values . Combines data from two different level sets to eliminate seam lines when meshing fractured segments. More... | |
template<typename SignAccT , typename IdxAccT , typename PrimBuilder > | |
void | constructPolygons (Int16 flags, Int16 refFlags, const Vec4i &offsets, const Coord &ijk, const SignAccT &signAcc, const IdxAccT &idxAcc, PrimBuilder &mesher, Index32 pointListSize) |
template<class DistTreeT , class SignTreeT , class IdxTreeT > | |
void | tileData (const DistTreeT &distTree, SignTreeT &signTree, IdxTreeT &idxTree, double iso) |
template<typename LeafManagerT > | |
bool | needsActiveVoxePadding (const LeafManagerT &leafs, double iso, double voxelSize) |
Variables | |
const bool | sAdaptable [256] |
Used to quickly determine if a given cell is adaptable. More... | |
const unsigned char | sAmbiguousFace [256] |
Contains the ambiguous face index for certain cell configuration. More... | |
const unsigned char | sEdgeGroupTable [256][13] |
Lookup table for different cell sign configurations. The first entry specifies the total number of points that need to be generated inside a cell and the remaining 12 entries indicate different edge groups. More... | |
enum | { MASK_FIRST_10_BITS = 0x000003FF, MASK_DIRTY_BIT = 0x80000000, MASK_INVALID_BIT = 0x40000000 } |
Utility methods for point quantization. More... | |
uint32_t | packPoint (const Vec3d &v) |
Utility methods for point quantization. More... | |
Vec3d | unpackPoint (uint32_t data) |
Utility methods for point quantization. More... | |