VTK  9.2.6
vtkHexahedron.h
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1/*=========================================================================
2
3 Program: Visualization Toolkit
4 Module: vtkHexahedron.h
5
6 Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
7 All rights reserved.
8 See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
9
10 This software is distributed WITHOUT ANY WARRANTY; without even
11 the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
12 PURPOSE. See the above copyright notice for more information.
13
14=========================================================================*/
34#ifndef vtkHexahedron_h
35#define vtkHexahedron_h
36
37#include "vtkCell3D.h"
38#include "vtkCommonDataModelModule.h" // For export macro
39
40class vtkLine;
41class vtkQuad;
43
44class VTKCOMMONDATAMODEL_EXPORT vtkHexahedron : public vtkCell3D
45{
46public:
47 static vtkHexahedron* New();
48 vtkTypeMacro(vtkHexahedron, vtkCell3D);
49 void PrintSelf(ostream& os, vtkIndent indent) override;
50
52
55 void GetEdgePoints(vtkIdType edgeId, const vtkIdType*& pts) override;
56 vtkIdType GetFacePoints(vtkIdType faceId, const vtkIdType*& pts) override;
57 void GetEdgeToAdjacentFaces(vtkIdType edgeId, const vtkIdType*& pts) override;
58 vtkIdType GetFaceToAdjacentFaces(vtkIdType faceId, const vtkIdType*& faceIds) override;
59 vtkIdType GetPointToIncidentEdges(vtkIdType pointId, const vtkIdType*& edgeIds) override;
60 vtkIdType GetPointToIncidentFaces(vtkIdType pointId, const vtkIdType*& faceIds) override;
61 vtkIdType GetPointToOneRingPoints(vtkIdType pointId, const vtkIdType*& pts) override;
62 bool GetCentroid(double centroid[3]) const override;
64
68 static constexpr vtkIdType NumberOfPoints = 8;
69
73 static constexpr vtkIdType NumberOfEdges = 12;
74
78 static constexpr vtkIdType NumberOfFaces = 6;
79
84 static constexpr vtkIdType MaximumFaceSize = 4;
85
91 static constexpr vtkIdType MaximumValence = 3;
92
94
97 int GetCellType() override { return VTK_HEXAHEDRON; }
98 int GetNumberOfEdges() override { return 12; }
99 int GetNumberOfFaces() override { return 6; }
100 vtkCell* GetEdge(int edgeId) override;
101 vtkCell* GetFace(int faceId) override;
102 int CellBoundary(int subId, const double pcoords[3], vtkIdList* pts) override;
103 void Contour(double value, vtkDataArray* cellScalars, vtkIncrementalPointLocator* locator,
104 vtkCellArray* verts, vtkCellArray* lines, vtkCellArray* polys, vtkPointData* inPd,
105 vtkPointData* outPd, vtkCellData* inCd, vtkIdType cellId, vtkCellData* outCd) override;
107
108 int EvaluatePosition(const double x[3], double closestPoint[3], int& subId, double pcoords[3],
109 double& dist2, double weights[]) override;
110 void EvaluateLocation(int& subId, const double pcoords[3], double x[3], double* weights) override;
111 int IntersectWithLine(const double p1[3], const double p2[3], double tol, double& t, double x[3],
112 double pcoords[3], int& subId) override;
113 int Triangulate(int index, vtkIdList* ptIds, vtkPoints* pts) override;
115 int subId, const double pcoords[3], const double* values, int dim, double* derivs) override;
116 double* GetParametricCoords() override;
117
125 static int* GetTriangleCases(int caseId);
126
127 static void InterpolationFunctions(const double pcoords[3], double weights[8]);
128 static void InterpolationDerivs(const double pcoords[3], double derivs[24]);
130
134 void InterpolateFunctions(const double pcoords[3], double weights[8]) override
135 {
137 }
138 void InterpolateDerivs(const double pcoords[3], double derivs[24]) override
139 {
140 vtkHexahedron::InterpolationDerivs(pcoords, derivs);
141 }
143
145
156
161
166
171
176
181
185 static bool ComputeCentroid(vtkPoints* points, const vtkIdType* pointIds, double centroid[3]);
186
192 void JacobianInverse(const double pcoords[3], double** inverse, double derivs[24]);
193
194protected:
196 ~vtkHexahedron() override;
197
200
201private:
202 vtkHexahedron(const vtkHexahedron&) = delete;
203 void operator=(const vtkHexahedron&) = delete;
204};
205
206#endif
abstract class to specify 3D cell interface
Definition vtkCell3D.h:39
object to represent cell connectivity
represent and manipulate cell attribute data
Definition vtkCellData.h:42
abstract class to specify cell behavior
Definition vtkCell.h:61
abstract superclass for arrays of numeric data
a cell that represents a linear 3D hexahedron
static const vtkIdType * GetPointToIncidentFacesArray(vtkIdType pointId)
Static method version of GetPointToIncidentFacesArray.
void InterpolateDerivs(const double pcoords[3], double derivs[24]) override
Compute the interpolation functions/derivatives (aka shape functions/derivatives)
void EvaluateLocation(int &subId, const double pcoords[3], double x[3], double *weights) override
Determine global coordinate (x[3]) from subId and parametric coordinates.
int IntersectWithLine(const double p1[3], const double p2[3], double tol, double &t, double x[3], double pcoords[3], int &subId) override
Intersect with a ray.
double * GetParametricCoords() override
Return a contiguous array of parametric coordinates of the points defining this cell.
void InterpolateFunctions(const double pcoords[3], double weights[8]) override
Compute the interpolation functions/derivatives (aka shape functions/derivatives)
vtkIdType GetPointToOneRingPoints(vtkIdType pointId, const vtkIdType *&pts) override
See vtkCell3D API for description of these methods.
static const vtkIdType * GetEdgeToAdjacentFacesArray(vtkIdType edgeId)
Static method version of GetEdgeToAdjacentFaces.
void GetEdgeToAdjacentFaces(vtkIdType edgeId, const vtkIdType *&pts) override
See vtkCell3D API for description of these methods.
bool GetCentroid(double centroid[3]) const override
See vtkCell3D API for description of these methods.
static int * GetTriangleCases(int caseId)
Return the case table for table-based isocontouring (aka marching cubes style implementations).
static const vtkIdType * GetPointToIncidentEdgesArray(vtkIdType pointId)
Static method version of GetPointToIncidentEdgesArray.
static const vtkIdType * GetPointToOneRingPointsArray(vtkIdType pointId)
Static method version of GetPointToOneRingPoints.
void PrintSelf(ostream &os, vtkIndent indent) override
Methods invoked by print to print information about the object including superclasses.
void GetEdgePoints(vtkIdType edgeId, const vtkIdType *&pts) override
See vtkCell3D API for description of these methods.
static void InterpolationFunctions(const double pcoords[3], double weights[8])
vtkCell * GetFace(int faceId) override
See the vtkCell API for descriptions of these methods.
int GetNumberOfEdges() override
See the vtkCell API for descriptions of these methods.
static const vtkIdType * GetFaceArray(vtkIdType faceId)
Return the ids of the vertices defining edge/face (edgeId/‘faceId’).
void Contour(double value, vtkDataArray *cellScalars, vtkIncrementalPointLocator *locator, vtkCellArray *verts, vtkCellArray *lines, vtkCellArray *polys, vtkPointData *inPd, vtkPointData *outPd, vtkCellData *inCd, vtkIdType cellId, vtkCellData *outCd) override
See the vtkCell API for descriptions of these methods.
static const vtkIdType * GetEdgeArray(vtkIdType edgeId)
Return the ids of the vertices defining edge/face (edgeId/‘faceId’).
static bool ComputeCentroid(vtkPoints *points, const vtkIdType *pointIds, double centroid[3])
Static method version of GetCentroid.
vtkIdType GetPointToIncidentEdges(vtkIdType pointId, const vtkIdType *&edgeIds) override
See vtkCell3D API for description of these methods.
~vtkHexahedron() override
static void InterpolationDerivs(const double pcoords[3], double derivs[24])
int Triangulate(int index, vtkIdList *ptIds, vtkPoints *pts) override
Generate simplices of proper dimension.
void Derivatives(int subId, const double pcoords[3], const double *values, int dim, double *derivs) override
Compute derivatives given cell subId and parametric coordinates.
vtkCell * GetEdge(int edgeId) override
See the vtkCell API for descriptions of these methods.
vtkIdType GetFaceToAdjacentFaces(vtkIdType faceId, const vtkIdType *&faceIds) override
See vtkCell3D API for description of these methods.
static const vtkIdType * GetFaceToAdjacentFacesArray(vtkIdType faceId)
Static method version of GetFaceToAdjacentFaces.
int GetNumberOfFaces() override
See the vtkCell API for descriptions of these methods.
static vtkHexahedron * New()
int EvaluatePosition(const double x[3], double closestPoint[3], int &subId, double pcoords[3], double &dist2, double weights[]) override
Given a point x[3] return inside(=1), outside(=0) cell, or (-1) computational problem encountered; ev...
int CellBoundary(int subId, const double pcoords[3], vtkIdList *pts) override
See the vtkCell API for descriptions of these methods.
int GetCellType() override
See the vtkCell API for descriptions of these methods.
vtkIdType GetFacePoints(vtkIdType faceId, const vtkIdType *&pts) override
See vtkCell3D API for description of these methods.
void JacobianInverse(const double pcoords[3], double **inverse, double derivs[24])
Given parametric coordinates compute inverse Jacobian transformation matrix.
vtkIdType GetPointToIncidentFaces(vtkIdType pointId, const vtkIdType *&faceIds) override
See vtkCell3D API for description of these methods.
list of point or cell ids
Definition vtkIdList.h:34
Abstract class in support of both point location and point insertion.
a simple class to control print indentation
Definition vtkIndent.h:40
cell represents a 1D line
Definition vtkLine.h:34
represent and manipulate point attribute data
represent and manipulate 3D points
Definition vtkPoints.h:40
a cell that represents a 2D quadrilateral
Definition vtkQuad.h:39
@ VTK_HEXAHEDRON
Definition vtkCellType.h:58
int vtkIdType
Definition vtkType.h:332
#define VTK_SIZEHINT(...)