VTK  9.2.5
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 =========================================================================*/
103 #ifndef vtkHexahedron_h
104 #define vtkHexahedron_h
105 
106 #include "vtkCell3D.h"
107 #include "vtkCommonDataModelModule.h" // For export macro
108 
109 class vtkLine;
110 class vtkQuad;
112 
113 class VTKCOMMONDATAMODEL_EXPORT vtkHexahedron : public vtkCell3D
114 {
115 public:
116  static vtkHexahedron* New();
117  vtkTypeMacro(vtkHexahedron, vtkCell3D);
118  void PrintSelf(ostream& os, vtkIndent indent) override;
119 
121 
124  void GetEdgePoints(vtkIdType edgeId, const vtkIdType*& pts) override;
125  vtkIdType GetFacePoints(vtkIdType faceId, const vtkIdType*& pts) override;
126  void GetEdgeToAdjacentFaces(vtkIdType edgeId, const vtkIdType*& pts) override;
127  vtkIdType GetFaceToAdjacentFaces(vtkIdType faceId, const vtkIdType*& faceIds) override;
128  vtkIdType GetPointToIncidentEdges(vtkIdType pointId, const vtkIdType*& edgeIds) override;
129  vtkIdType GetPointToIncidentFaces(vtkIdType pointId, const vtkIdType*& faceIds) override;
130  vtkIdType GetPointToOneRingPoints(vtkIdType pointId, const vtkIdType*& pts) override;
131  bool GetCentroid(double centroid[3]) const override;
133 
137  static constexpr vtkIdType NumberOfPoints = 8;
138 
142  static constexpr vtkIdType NumberOfEdges = 12;
143 
147  static constexpr vtkIdType NumberOfFaces = 6;
148 
153  static constexpr vtkIdType MaximumFaceSize = 4;
154 
160  static constexpr vtkIdType MaximumValence = 3;
161 
163 
166  int GetCellType() override { return VTK_HEXAHEDRON; }
167  int GetNumberOfEdges() override { return 12; }
168  int GetNumberOfFaces() override { return 6; }
169  vtkCell* GetEdge(int edgeId) override;
170  vtkCell* GetFace(int faceId) override;
171  int CellBoundary(int subId, const double pcoords[3], vtkIdList* pts) override;
172  void Contour(double value, vtkDataArray* cellScalars, vtkIncrementalPointLocator* locator,
173  vtkCellArray* verts, vtkCellArray* lines, vtkCellArray* polys, vtkPointData* inPd,
174  vtkPointData* outPd, vtkCellData* inCd, vtkIdType cellId, vtkCellData* outCd) override;
176 
177  int EvaluatePosition(const double x[3], double closestPoint[3], int& subId, double pcoords[3],
178  double& dist2, double weights[]) override;
179  void EvaluateLocation(int& subId, const double pcoords[3], double x[3], double* weights) override;
180  int IntersectWithLine(const double p1[3], const double p2[3], double tol, double& t, double x[3],
181  double pcoords[3], int& subId) override;
182  int Triangulate(int index, vtkIdList* ptIds, vtkPoints* pts) override;
184  int subId, const double pcoords[3], const double* values, int dim, double* derivs) override;
185  double* GetParametricCoords() override;
186 
194  static int* GetTriangleCases(int caseId);
195 
196  static void InterpolationFunctions(const double pcoords[3], double weights[8]);
197  static void InterpolationDerivs(const double pcoords[3], double derivs[24]);
199 
203  void InterpolateFunctions(const double pcoords[3], double weights[8]) override
204  {
205  vtkHexahedron::InterpolationFunctions(pcoords, weights);
206  }
207  void InterpolateDerivs(const double pcoords[3], double derivs[24]) override
208  {
209  vtkHexahedron::InterpolationDerivs(pcoords, derivs);
210  }
212 
214 
222  static const vtkIdType* GetEdgeArray(vtkIdType edgeId) VTK_SIZEHINT(2);
223  static const vtkIdType* GetFaceArray(vtkIdType faceId) VTK_SIZEHINT(4);
225 
230 
235 
240 
245 
250 
254  static bool ComputeCentroid(vtkPoints* points, const vtkIdType* pointIds, double centroid[3]);
255 
261  void JacobianInverse(const double pcoords[3], double** inverse, double derivs[24]);
262 
263 protected:
265  ~vtkHexahedron() override;
266 
269 
270 private:
271  vtkHexahedron(const vtkHexahedron&) = delete;
272  void operator=(const vtkHexahedron&) = delete;
273 };
274 
275 #endif
abstract class to specify 3D cell interface
Definition: vtkCell3D.h:39
object to represent cell connectivity
Definition: vtkCellArray.h:296
represent and manipulate cell attribute data
Definition: vtkCellData.h:151
abstract class to specify cell behavior
Definition: vtkCell.h:150
abstract superclass for arrays of numeric data
Definition: vtkDataArray.h:165
a cell that represents a linear 3D hexahedron
static const vtkIdType * GetPointToOneRingPointsArray(vtkIdType pointId)
Static method version of GetPointToOneRingPoints.
static const vtkIdType * GetFaceArray(vtkIdType faceId)
Return the ids of the vertices defining edge/face (edgeId/‘faceId’).
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 const vtkIdType * GetEdgeToAdjacentFacesArray(vtkIdType edgeId)
Static method version of GetEdgeToAdjacentFaces.
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 int * GetTriangleCases(int caseId)
Return the case table for table-based isocontouring (aka marching cubes style implementations).
void GetEdgeToAdjacentFaces(vtkIdType edgeId, const vtkIdType *&pts) override
See vtkCell3D API for description of these methods.
static vtkHexahedron * New()
bool GetCentroid(double centroid[3]) const override
See vtkCell3D API for description of these methods.
void PrintSelf(ostream &os, vtkIndent indent) override
Methods invoked by print to print information about the object including superclasses.
static const vtkIdType * GetEdgeArray(vtkIdType edgeId)
Return the ids of the vertices defining edge/face (edgeId/‘faceId’).
double * GetParametricCoords() override
Return a contiguous array of parametric coordinates of the points defining this cell.
vtkCell * GetEdge(int edgeId) override
See the vtkCell API for descriptions of these methods.
void GetEdgePoints(vtkIdType edgeId, const vtkIdType *&pts) override
See vtkCell3D API for description of these methods.
vtkCell * GetFace(int faceId) override
See the vtkCell API for descriptions of these methods.
static void InterpolationFunctions(const double pcoords[3], double weights[8])
int GetNumberOfEdges() override
See the vtkCell API for descriptions of these methods.
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 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.
vtkIdType GetFaceToAdjacentFaces(vtkIdType faceId, const vtkIdType *&faceIds) override
See vtkCell3D API for description of these methods.
vtkLine * Line
vtkQuad * Quad
int GetNumberOfFaces() override
See the vtkCell API for descriptions of these methods.
static const vtkIdType * GetPointToIncidentEdgesArray(vtkIdType pointId)
Static method version of GetPointToIncidentEdgesArray.
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.
static const vtkIdType * GetFaceToAdjacentFacesArray(vtkIdType faceId)
Static method version of GetFaceToAdjacentFaces.
list of point or cell ids
Definition: vtkIdList.h:143
Abstract class in support of both point location and point insertion.
a simple class to control print indentation
Definition: vtkIndent.h:119
cell represents a 1D line
Definition: vtkLine.h:143
represent and manipulate point attribute data
Definition: vtkPointData.h:151
represent and manipulate 3D points
Definition: vtkPoints.h:149
a cell that represents a 2D quadrilateral
Definition: vtkQuad.h:98
@ points
Definition: vtkX3D.h:452
@ value
Definition: vtkX3D.h:226
@ index
Definition: vtkX3D.h:252
@ VTK_HEXAHEDRON
Definition: vtkCellType.h:97
int vtkIdType
Definition: vtkType.h:332
#define VTK_SIZEHINT(...)