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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=========================================================================*/
30
31#ifndef vtkHexahedron_h
32#define vtkHexahedron_h
33
34#include "vtkCell3D.h"
35#include "vtkCommonDataModelModule.h" // For export macro
36
37class vtkLine;
38class vtkQuad;
40
41class VTKCOMMONDATAMODEL_EXPORT vtkHexahedron : public vtkCell3D
42{
43public:
44 static vtkHexahedron* New();
45 vtkTypeMacro(vtkHexahedron, vtkCell3D);
46 void PrintSelf(ostream& os, vtkIndent indent) override;
47
49
52 void GetEdgePoints(vtkIdType edgeId, const vtkIdType*& pts) override;
53 vtkIdType GetFacePoints(vtkIdType faceId, const vtkIdType*& pts) override;
54 void GetEdgeToAdjacentFaces(vtkIdType edgeId, const vtkIdType*& pts) override;
55 vtkIdType GetFaceToAdjacentFaces(vtkIdType faceId, const vtkIdType*& faceIds) override;
56 vtkIdType GetPointToIncidentEdges(vtkIdType pointId, const vtkIdType*& edgeIds) override;
57 vtkIdType GetPointToIncidentFaces(vtkIdType pointId, const vtkIdType*& faceIds) override;
58 vtkIdType GetPointToOneRingPoints(vtkIdType pointId, const vtkIdType*& pts) override;
59 bool GetCentroid(double centroid[3]) const override;
61
65 static constexpr vtkIdType NumberOfPoints = 8;
66
70 static constexpr vtkIdType NumberOfEdges = 12;
71
75 static constexpr vtkIdType NumberOfFaces = 6;
76
81 static constexpr vtkIdType MaximumFaceSize = 4;
82
88 static constexpr vtkIdType MaximumValence = 3;
89
91
94 int GetCellType() override { return VTK_HEXAHEDRON; }
95 int GetNumberOfEdges() override { return 12; }
96 int GetNumberOfFaces() override { return 6; }
97 vtkCell* GetEdge(int edgeId) override;
98 vtkCell* GetFace(int faceId) override;
99 int CellBoundary(int subId, const double pcoords[3], vtkIdList* pts) override;
100 void Contour(double value, vtkDataArray* cellScalars, vtkIncrementalPointLocator* locator,
101 vtkCellArray* verts, vtkCellArray* lines, vtkCellArray* polys, vtkPointData* inPd,
102 vtkPointData* outPd, vtkCellData* inCd, vtkIdType cellId, vtkCellData* outCd) override;
104
105 int EvaluatePosition(const double x[3], double closestPoint[3], int& subId, double pcoords[3],
106 double& dist2, double weights[]) override;
107 void EvaluateLocation(int& subId, const double pcoords[3], double x[3], double* weights) override;
108 int IntersectWithLine(const double p1[3], const double p2[3], double tol, double& t, double x[3],
109 double pcoords[3], int& subId) override;
110 int Triangulate(int index, vtkIdList* ptIds, vtkPoints* pts) override;
112 int subId, const double pcoords[3], const double* values, int dim, double* derivs) override;
113 double* GetParametricCoords() override;
114
122 static int* GetTriangleCases(int caseId);
123
124 static void InterpolationFunctions(const double pcoords[3], double weights[8]);
125 static void InterpolationDerivs(const double pcoords[3], double derivs[24]);
127
131 void InterpolateFunctions(const double pcoords[3], double weights[8]) override
132 {
134 }
135 void InterpolateDerivs(const double pcoords[3], double derivs[24]) override
136 {
137 vtkHexahedron::InterpolationDerivs(pcoords, derivs);
138 }
139
140
142
153
158
163
168
173
178
182 static bool ComputeCentroid(vtkPoints* points, const vtkIdType* pointIds, double centroid[3]);
183
189 void JacobianInverse(const double pcoords[3], double** inverse, double derivs[24]);
190
191protected:
193 ~vtkHexahedron() override;
194
197
198private:
199 vtkHexahedron(const vtkHexahedron&) = delete;
200 void operator=(const vtkHexahedron&) = delete;
201};
202
203#endif
object to represent cell connectivity
represent and manipulate cell attribute data
Definition vtkCellData.h:36
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.
static constexpr vtkIdType NumberOfFaces
static contexpr handle on the number of edges.
double * GetParametricCoords() override
Return a contiguous array of parametric coordinates of the points defining this cell.
static constexpr vtkIdType MaximumFaceSize
static contexpr handle on the maximum face size.
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.
static constexpr vtkIdType NumberOfEdges
static contexpr handle on the number of faces.
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.
static constexpr vtkIdType NumberOfPoints
static constexpr handle on the number of points.
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.
static constexpr vtkIdType MaximumValence
static constexpr handle on the maximum valence of this cell.
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:31
Abstract class in support of both point location and point insertion.
a simple class to control print indentation
Definition vtkIndent.h:34
cell represents a 1D line
Definition vtkLine.h:31
represent and manipulate point attribute data
represent and manipulate 3D points
Definition vtkPoints.h:34
a cell that represents a 2D quadrilateral
Definition vtkQuad.h:36
@ VTK_HEXAHEDRON
Definition vtkCellType.h:58
#define vtkDataArray
int vtkIdType
Definition vtkType.h:332
#define VTK_SIZEHINT(...)