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vtkQuad.h
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1 /*=========================================================================
2 
3  Program: Visualization Toolkit
4  Module: vtkQuad.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 vtkQuad_h
32 #define vtkQuad_h
33 
34 #include "vtkCommonDataModelModule.h" // For export macro
35 #include "vtkCell.h"
36 
37 class vtkLine;
38 class vtkTriangle;
40 
41 class VTKCOMMONDATAMODEL_EXPORT vtkQuad : public vtkCell
42 {
43 public:
44  static vtkQuad *New();
45  vtkTypeMacro(vtkQuad,vtkCell);
46  void PrintSelf(ostream& os, vtkIndent indent) VTK_OVERRIDE;
47 
49 
52  int GetCellType() VTK_OVERRIDE {return VTK_QUAD;};
53  int GetCellDimension() VTK_OVERRIDE {return 2;};
54  int GetNumberOfEdges() VTK_OVERRIDE {return 4;};
55  int GetNumberOfFaces() VTK_OVERRIDE {return 0;};
56  vtkCell *GetEdge(int edgeId) VTK_OVERRIDE;
57  vtkCell *GetFace(int) VTK_OVERRIDE {return nullptr;};
58  int CellBoundary(int subId, double pcoords[3], vtkIdList *pts) VTK_OVERRIDE;
59  void Contour(double value, vtkDataArray *cellScalars,
61  vtkCellArray *lines, vtkCellArray *polys,
62  vtkPointData *inPd, vtkPointData *outPd,
63  vtkCellData *inCd, vtkIdType cellId, vtkCellData *outCd) VTK_OVERRIDE;
64  int EvaluatePosition(double x[3], double* closestPoint,
65  int& subId, double pcoords[3],
66  double& dist2, double *weights) VTK_OVERRIDE;
67  void EvaluateLocation(int& subId, double pcoords[3], double x[3],
68  double *weights) VTK_OVERRIDE;
69  int IntersectWithLine(double p1[3], double p2[3], double tol, double& t,
70  double x[3], double pcoords[3], int& subId) VTK_OVERRIDE;
71  int Triangulate(int index, vtkIdList *ptIds, vtkPoints *pts) VTK_OVERRIDE;
72  void Derivatives(int subId, double pcoords[3], double *values,
73  int dim, double *derivs) VTK_OVERRIDE;
74  double *GetParametricCoords() VTK_OVERRIDE;
76 
80  int GetParametricCenter(double pcoords[3]) VTK_OVERRIDE;
81 
86  void Clip(double value, vtkDataArray *cellScalars,
88  vtkPointData *inPd, vtkPointData *outPd,
89  vtkCellData *inCd, vtkIdType cellId, vtkCellData *outCd,
90  int insideOut) VTK_OVERRIDE;
91 
95  static void InterpolationFunctions(double pcoords[3], double sf[4]);
99  static void InterpolationDerivs(double pcoords[3], double derivs[8]);
101 
105  void InterpolateFunctions(double pcoords[3], double sf[4]) VTK_OVERRIDE
106  {
108  }
109  void InterpolateDerivs(double pcoords[3], double derivs[8]) VTK_OVERRIDE
110  {
111  vtkQuad::InterpolationDerivs(pcoords,derivs);
112  }
114 
119  int *GetEdgeArray(int edgeId);
120 
121 protected:
122  vtkQuad();
123  ~vtkQuad() VTK_OVERRIDE;
124 
127 
128 private:
129  vtkQuad(const vtkQuad&) VTK_DELETE_FUNCTION;
130  void operator=(const vtkQuad&) VTK_DELETE_FUNCTION;
131 };
132 //----------------------------------------------------------------------------
133 inline int vtkQuad::GetParametricCenter(double pcoords[3])
134 {
135  pcoords[0] = pcoords[1] = 0.5;
136  pcoords[2] = 0.0;
137  return 0;
138 }
139 
140 
141 #endif
142 
143 
int GetCellType() override
See the vtkCell API for descriptions of these methods.
Definition: vtkQuad.h:52
void PrintSelf(ostream &os, vtkIndent indent) override
Methods invoked by print to print information about the object including superclasses.
represent and manipulate point attribute data
Definition: vtkPointData.h:37
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:38
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:41
int vtkIdType
Definition: vtkType.h:345
static void InterpolationFunctions(double pcoords[3], double sf[4])
cell represents a 1D line
Definition: vtkLine.h:35
abstract class to specify cell behavior
Definition: vtkCell.h:59
a simple class to control print indentation
Definition: vtkIndent.h:39
int GetNumberOfEdges() override
See the vtkCell API for descriptions of these methods.
Definition: vtkQuad.h:54
list of point or cell ids
Definition: vtkIdList.h:36
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:54
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.
static void InterpolationDerivs(double pcoords[3], double derivs[8])
vtkCell * GetFace(int) override
See the vtkCell API for descriptions of these methods.
Definition: vtkQuad.h:57
void InterpolateDerivs(double pcoords[3], double derivs[8]) override
Compute the interpolation functions/derivatives (aka shape functions/derivatives) ...
Definition: vtkQuad.h:109
void InterpolateFunctions(double pcoords[3], double sf[4]) override
Compute the interpolation functions/derivatives (aka shape functions/derivatives) ...
Definition: vtkQuad.h:105
virtual void Clip(double value, vtkDataArray *cellScalars, vtkIncrementalPointLocator *locator, vtkCellArray *connectivity, vtkPointData *inPd, vtkPointData *outPd, vtkCellData *inCd, vtkIdType cellId, vtkCellData *outCd, int insideOut)=0
Cut (or clip) the cell based on the input cellScalars and the specified value.
object to represent cell connectivity
Definition: vtkCellArray.h:50
virtual vtkCell * GetEdge(int edgeId)=0
Return the edge cell from the edgeId of the cell.
a cell that represents a triangle
Definition: vtkTriangle.h:41
virtual void Contour(double value, vtkDataArray *cellScalars, vtkIncrementalPointLocator *locator, vtkCellArray *verts, vtkCellArray *lines, vtkCellArray *polys, vtkPointData *inPd, vtkPointData *outPd, vtkCellData *inCd, vtkIdType cellId, vtkCellData *outCd)=0
Generate contouring primitives.
vtkLine * Line
Definition: vtkQuad.h:125
int GetCellDimension() override
See the vtkCell API for descriptions of these methods.
Definition: vtkQuad.h:53
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...
static vtkObject * New()
Create an object with Debug turned off, modified time initialized to zero, and reference counting on...
virtual int GetParametricCenter(double pcoords[3])
Return center of the cell in parametric coordinates.
int GetNumberOfFaces() override
See the vtkCell API for descriptions of these methods.
Definition: vtkQuad.h:55
represent and manipulate 3D points
Definition: vtkPoints.h:39
vtkTriangle * Triangle
Definition: vtkQuad.h:126