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vtkBiQuadraticTriangle.h
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1 /*=========================================================================
2 
3  Program: Visualization Toolkit
4  Module: vtkBiQuadraticTriangle.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 =========================================================================*/
40 #ifndef __vtkBiQuadraticTriangle_h
41 #define __vtkBiQuadraticTriangle_h
42 
43 #include "vtkNonLinearCell.h"
44 
45 class vtkQuadraticEdge;
46 class vtkTriangle;
47 class vtkDoubleArray;
48 
50 {
51 public:
52  static vtkBiQuadraticTriangle *New();
54  void PrintSelf(ostream& os, vtkIndent indent);
55 
57 
60  int GetCellDimension() {return 2;}
61  int GetNumberOfEdges() {return 3;}
62  int GetNumberOfFaces() {return 0;}
63  vtkCell *GetEdge(int edgeId);
64  vtkCell *GetFace(int) {return 0;}
66 
67  int CellBoundary(int subId, double pcoords[3], vtkIdList *pts);
68  void Contour(double value, vtkDataArray *cellScalars,
70  vtkCellArray *lines, vtkCellArray *polys,
71  vtkPointData *inPd, vtkPointData *outPd,
72  vtkCellData *inCd, vtkIdType cellId, vtkCellData *outCd);
73  int EvaluatePosition(double x[3], double* closestPoint,
74  int& subId, double pcoords[3],
75  double& dist2, double *weights);
76  void EvaluateLocation(int& subId, double pcoords[3], double x[3],
77  double *weights);
78  int Triangulate(int index, vtkIdList *ptIds, vtkPoints *pts);
79  void Derivatives(int subId, double pcoords[3], double *values,
80  int dim, double *derivs);
81  virtual double *GetParametricCoords();
82 
84 
87  void Clip(double value, vtkDataArray *cellScalars,
89  vtkPointData *inPd, vtkPointData *outPd,
90  vtkCellData *inCd, vtkIdType cellId, vtkCellData *outCd,
91  int insideOut);
93 
95 
97  int IntersectWithLine(double p1[3], double p2[3], double tol, double& t,
98  double x[3], double pcoords[3], int& subId);
100 
101 
104  int GetParametricCenter(double pcoords[3]);
105 
108  double GetParametricDistance(double pcoords[3]);
109 
111 
113  static void InterpolationFunctions(double pcoords[3], double weights[7]);
114  // Description:
115  // @deprecated Replaced by vtkBiQuadraticTriangle::InterpolateDerivs as of VTK 5.2
116  static void InterpolationDerivs(double pcoords[3], double derivs[14]);
117  // Description:
118  // Compute the interpolation functions/derivatives
119  // (aka shape functions/derivatives)
120  virtual void InterpolateFunctions(double pcoords[3], double weights[7])
121  {
123  }
124  virtual void InterpolateDerivs(double pcoords[3], double derivs[14])
125  {
127  }
129 
130 protected:
133 
136  vtkDoubleArray *Scalars; //used to avoid New/Delete in contouring/clipping
137 
138 private:
139  vtkBiQuadraticTriangle(const vtkBiQuadraticTriangle&); // Not implemented.
140  void operator=(const vtkBiQuadraticTriangle&); // Not implemented.
141 };
142 //----------------------------------------------------------------------------
143 inline int vtkBiQuadraticTriangle::GetParametricCenter(double pcoords[3])
144 {
145  pcoords[0] = pcoords[1] = 1./3;
146  pcoords[2] = 0.0;
147  return 0;
148 }
149 
150 
151 #endif
152 
153 
virtual void InterpolateDerivs(double pcoords[3], double derivs[14])
represent and manipulate point attribute data
Definition: vtkPointData.h:35
#define VTK_FILTERING_EXPORT
virtual double * GetParametricCoords()
int GetParametricCenter(double pcoords[3])
represent and manipulate cell attribute data
Definition: vtkCellData.h:36
Abstract class in support of both point location and point insertion.
virtual int Triangulate(int index, vtkIdList *ptIds, vtkPoints *pts)=0
virtual void EvaluateLocation(int &subId, double pcoords[3], double x[3], double *weights)=0
virtual int EvaluatePosition(double x[3], double *closestPoint, int &subId, double pcoords[3], double &dist2, double *weights)=0
abstract superclass for non-linear cells
int vtkIdType
Definition: vtkType.h:255
static void InterpolationDerivs(double pcoords[3], double derivs[14])
dynamic, self-adjusting array of double
abstract class to specify cell behavior
Definition: vtkCell.h:57
virtual double GetParametricDistance(double pcoords[3])
a simple class to control print indentation
Definition: vtkIndent.h:37
static void InterpolationFunctions(double pcoords[3], double weights[7])
list of point or cell ids
Definition: vtkIdList.h:34
virtual void Derivatives(int subId, double pcoords[3], double *values, int dim, double *derivs)=0
abstract superclass for arrays of numeric data
Definition: vtkDataArray.h:53
virtual int IntersectWithLine(double p1[3], double p2[3], double tol, double &t, double x[3], double pcoords[3], int &subId)=0
cell represents a parabolic, isoparametric triangle
virtual void Clip(double value, vtkDataArray *cellScalars, vtkIncrementalPointLocator *locator, vtkCellArray *connectivity, vtkPointData *inPd, vtkPointData *outPd, vtkCellData *inCd, vtkIdType cellId, vtkCellData *outCd, int insideOut)=0
void PrintSelf(ostream &os, vtkIndent indent)
object to represent cell connectivity
Definition: vtkCellArray.h:48
virtual vtkCell * GetEdge(int edgeId)=0
cell represents a parabolic, isoparametric edge
a cell that represents a triangle
Definition: vtkTriangle.h:39
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
virtual void InterpolateFunctions(double pcoords[3], double weights[7])
virtual int CellBoundary(int subId, double pcoords[3], vtkIdList *pts)=0
static vtkObject * New()
virtual int GetParametricCenter(double pcoords[3])
represent and manipulate 3D points
Definition: vtkPoints.h:38