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vtkQuadraticLinearQuad.h
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1 /*=========================================================================
2 
3  Program: Visualization Toolkit
4  Module: vtkQuadraticLinearQuad.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 =========================================================================*/
38 #ifndef __vtkQuadraticLinearQuad_h
39 #define __vtkQuadraticLinearQuad_h
40 
41 #include "vtkCommonDataModelModule.h" // For export macro
42 #include "vtkNonLinearCell.h"
43 
44 class vtkQuadraticEdge;
45 class vtkLine;
46 class vtkQuad;
47 class vtkDoubleArray;
48 
49 class VTKCOMMONDATAMODEL_EXPORT vtkQuadraticLinearQuad : public vtkNonLinearCell
50 {
51 public:
52  static vtkQuadraticLinearQuad *New();
53  vtkTypeMacro(vtkQuadraticLinearQuad, vtkNonLinearCell);
54  void PrintSelf(ostream & os, vtkIndent indent);
55 
57 
59  int GetCellType () { return VTK_QUADRATIC_LINEAR_QUAD; };
60  int GetCellDimension () { return 2; }
61  int GetNumberOfEdges () { return 4; }
62  int GetNumberOfFaces () { return 0; }
63  vtkCell *GetEdge (int);
64  vtkCell *GetFace (int) { return 0; }
66 
67  int CellBoundary (int subId, double pcoords[3], vtkIdList * pts);
68  void Contour (double value, vtkDataArray * cellScalars,
69  vtkIncrementalPointLocator * locator, vtkCellArray * verts,
70  vtkCellArray * lines, vtkCellArray * polys,
71  vtkPointData * inPd, vtkPointData * outPd, vtkCellData * inCd,
72  vtkIdType cellId, vtkCellData * outCd);
73  int EvaluatePosition (double x[3], double *closestPoint,
74  int &subId, double pcoords[3], double &dist2, double *weights);
75  void EvaluateLocation (int &subId, double pcoords[3], double x[3],
76  double *weights);
77  int Triangulate (int index, vtkIdList * ptIds, vtkPoints * pts);
78  void Derivatives (int subId, double pcoords[3], double *values, int dim,
79  double *derivs);
80  virtual double *GetParametricCoords ();
81 
83 
85  void Clip (double value, vtkDataArray * cellScalars,
86  vtkIncrementalPointLocator * locator, vtkCellArray * polys,
87  vtkPointData * inPd, vtkPointData * outPd,
88  vtkCellData * inCd, vtkIdType cellId, vtkCellData * outCd,
89  int insideOut);
91 
93 
95  int IntersectWithLine (double p1[3], double p2[3], double tol, double &t,
96  double x[3], double pcoords[3], int &subId);
98 
100  int GetParametricCenter(double pcoords[3]);
101 
104  static void InterpolationFunctions (double pcoords[3], double weights[6]);
107  static void InterpolationDerivs (double pcoords[3], double derivs[12]);
109 
111  virtual void InterpolateFunctions (double pcoords[3], double weights[6])
112  {
113  vtkQuadraticLinearQuad::InterpolationFunctions(pcoords,weights);
114  }
115  virtual void InterpolateDerivs (double pcoords[3], double derivs[12])
116  {
117  vtkQuadraticLinearQuad::InterpolationDerivs(pcoords,derivs);
118  }
120 
122  static int *GetEdgeArray(int edgeId);
123 
124 protected:
125  vtkQuadraticLinearQuad ();
126  ~vtkQuadraticLinearQuad ();
127 
128  vtkQuadraticEdge *Edge;
129  vtkLine *LinEdge;
130  vtkQuad *Quad;
131  vtkDoubleArray *Scalars;
132 
133 private:
134  vtkQuadraticLinearQuad (const vtkQuadraticLinearQuad &); // Not implemented.
135  void operator = (const vtkQuadraticLinearQuad &); // Not implemented.
136 };
137 //----------------------------------------------------------------------------
138 inline int vtkQuadraticLinearQuad::GetParametricCenter(double pcoords[3])
139 {
140  pcoords[0] = pcoords[1] = 0.5;
141  pcoords[2] = 0.;
142  return 0;
143 }
144 
145 #endif
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