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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 =========================================================================*/
31 #ifndef vtkHexahedron_h
32 #define vtkHexahedron_h
33 
34 #include "vtkCommonDataModelModule.h" // For export macro
35 #include "vtkCell3D.h"
36 
37 class vtkLine;
38 class vtkQuad;
40 
41 class VTKCOMMONDATAMODEL_EXPORT vtkHexahedron : public vtkCell3D
42 {
43 public:
44  static vtkHexahedron *New();
45  vtkTypeMacro(vtkHexahedron,vtkCell3D);
46  void PrintSelf(ostream& os, vtkIndent indent) VTK_OVERRIDE;
47 
49 
52  void GetEdgePoints(int edgeId, int* &pts) VTK_OVERRIDE;
53  void GetFacePoints(int faceId, int* &pts) VTK_OVERRIDE;
55 
57 
60  int GetCellType() VTK_OVERRIDE {return VTK_HEXAHEDRON;}
61  int GetNumberOfEdges() VTK_OVERRIDE {return 12;}
62  int GetNumberOfFaces() VTK_OVERRIDE {return 6;}
63  vtkCell *GetEdge(int edgeId) VTK_OVERRIDE;
64  vtkCell *GetFace(int faceId) VTK_OVERRIDE;
65  int CellBoundary(int subId, double pcoords[3], vtkIdList *pts) VTK_OVERRIDE;
66  void Contour(double value, vtkDataArray *cellScalars,
68  vtkCellArray *lines, vtkCellArray *polys,
69  vtkPointData *inPd, vtkPointData *outPd,
70  vtkCellData *inCd, vtkIdType cellId, vtkCellData *outCd) VTK_OVERRIDE;
72 
73  int EvaluatePosition(double x[3], double* closestPoint,
74  int& subId, double pcoords[3],
75  double& dist2, double *weights) VTK_OVERRIDE;
76  void EvaluateLocation(int& subId, double pcoords[3], double x[3],
77  double *weights) VTK_OVERRIDE;
78  int IntersectWithLine(double p1[3], double p2[3], double tol, double& t,
79  double x[3], double pcoords[3], int& subId) VTK_OVERRIDE;
80  int Triangulate(int index, vtkIdList *ptIds, vtkPoints *pts) VTK_OVERRIDE;
81  void Derivatives(int subId, double pcoords[3], double *values,
82  int dim, double *derivs) VTK_OVERRIDE;
83  double *GetParametricCoords() VTK_OVERRIDE;
84 
88  static void InterpolationFunctions(double pcoords[3], double weights[8]);
92  static void InterpolationDerivs(double pcoords[3], double derivs[24]);
94 
98  void InterpolateFunctions(double pcoords[3], double weights[8]) VTK_OVERRIDE
99  {
100  vtkHexahedron::InterpolationFunctions(pcoords,weights);
101  }
102  void InterpolateDerivs(double pcoords[3], double derivs[24]) VTK_OVERRIDE
103  {
104  vtkHexahedron::InterpolationDerivs(pcoords,derivs);
105  }
107 
109 
113  static int *GetEdgeArray(int edgeId);
114  static int *GetFaceArray(int faceId);
116 
122  void JacobianInverse(double pcoords[3], double **inverse, double derivs[24]);
123 
124 protected:
125  vtkHexahedron();
126  ~vtkHexahedron() VTK_OVERRIDE;
127 
130 
131 private:
132  vtkHexahedron(const vtkHexahedron&) VTK_DELETE_FUNCTION;
133  void operator=(const vtkHexahedron&) VTK_DELETE_FUNCTION;
134 };
135 
136 #endif
137 
138 
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
Generate contouring primitives.
int GetCellType() override
See the vtkCell API for descriptions of these methods.
Definition: vtkHexahedron.h:60
represent and manipulate point attribute data
Definition: vtkPointData.h:31
vtkLine * Line
vtkQuad * Quad
virtual double * GetParametricCoords()
Return a contiguous array of parametric coordinates of the points defining this cell.
represent and manipulate cell attribute data
Definition: vtkCellData.h:32
Abstract class in support of both point location and point insertion.
virtual int Triangulate(int index, vtkIdList *ptIds, vtkPoints *pts)=0
Generate simplices of proper dimension.
virtual void EvaluateLocation(int &subId, double pcoords[3], double x[3], double *weights)=0
Determine global coordinate (x[3]) from subId and parametric coordinates.
virtual int EvaluatePosition(double x[3], double *closestPoint, int &subId, double pcoords[3], double &dist2, double *weights)=0
Given a point x[3] return inside(=1), outside(=0) cell, or (-1) computational problem encountered; ev...
a cell that represents a 2D quadrilateral
Definition: vtkQuad.h:35
int vtkIdType
Definition: vtkType.h:345
int GetNumberOfFaces() override
See the vtkCell API for descriptions of these methods.
Definition: vtkHexahedron.h:62
abstract class to specify 3D cell interface
Definition: vtkCell3D.h:38
cell represents a 1D line
Definition: vtkLine.h:29
abstract class to specify cell behavior
Definition: vtkCell.h:56
static void InterpolationFunctions(double pcoords[3], double weights[8])
a simple class to control print indentation
Definition: vtkIndent.h:33
list of point or cell ids
Definition: vtkIdList.h:30
virtual void Derivatives(int subId, double pcoords[3], double *values, int dim, double *derivs)=0
Compute derivatives given cell subId and parametric coordinates.
abstract superclass for arrays of numeric data
Definition: vtkDataArray.h:48
virtual int IntersectWithLine(double p1[3], double p2[3], double tol, double &t, double x[3], double pcoords[3], int &subId)=0
Intersect with a ray.
virtual void GetFacePoints(int faceId, int *&pts)=0
Get the list of vertices that define a face.
a cell that represents a linear 3D hexahedron
Definition: vtkHexahedron.h:41
virtual vtkCell * GetFace(int faceId)=0
Return the face cell from the faceId of the cell.
object to represent cell connectivity
Definition: vtkCellArray.h:44
virtual vtkCell * GetEdge(int edgeId)=0
Return the edge cell from the edgeId of the cell.
int GetNumberOfEdges() override
See the vtkCell API for descriptions of these methods.
Definition: vtkHexahedron.h:61
void PrintSelf(ostream &os, vtkIndent indent) override
Methods invoked by print to print information about the object including superclasses.
void InterpolateFunctions(double pcoords[3], double weights[8]) override
Compute the interpolation functions/derivatives (aka shape functions/derivatives) ...
Definition: vtkHexahedron.h:98
virtual int CellBoundary(int subId, double pcoords[3], vtkIdList *pts)=0
Given parametric coordinates of a point, return the closest cell boundary, and whether the point is i...
void InterpolateDerivs(double pcoords[3], double derivs[24]) override
Compute the interpolation functions/derivatives (aka shape functions/derivatives) ...
static vtkObject * New()
Create an object with Debug turned off, modified time initialized to zero, and reference counting on...
virtual void GetEdgePoints(int edgeId, int *&pts)=0
Get the pair of vertices that define an edge.
static void InterpolationDerivs(double pcoords[3], double derivs[24])
represent and manipulate 3D points
Definition: vtkPoints.h:33