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vtkQuadraticTetra.h

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00001 /*=========================================================================
00002 
00003   Program:   Visualization Toolkit
00004   Module:    $RCSfile: vtkQuadraticTetra.h,v $
00005   Language:  C++
00006 
00007   Copyright (c) 1993-2002 Ken Martin, Will Schroeder, Bill Lorensen 
00008   All rights reserved.
00009   See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
00010 
00011      This software is distributed WITHOUT ANY WARRANTY; without even 
00012      the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR 
00013      PURPOSE.  See the above copyright notice for more information.
00014 
00015 =========================================================================*/
00039 #ifndef __vtkQuadraticTetra_h
00040 #define __vtkQuadraticTetra_h
00041 
00042 #include "vtkNonLinearCell.h"
00043 
00044 class vtkPolyData;
00045 class vtkQuadraticEdge;
00046 class vtkQuadraticTriangle;
00047 class vtkTetra;
00048 
00049 class VTK_COMMON_EXPORT vtkQuadraticTetra : public vtkNonLinearCell
00050 {
00051 public:
00052   static vtkQuadraticTetra *New();
00053   vtkTypeRevisionMacro(vtkQuadraticTetra,vtkNonLinearCell);
00054 
00056 
00058   int GetCellType() {return VTK_QUADRATIC_TETRA;}
00059   int GetCellDimension() {return 3;}
00060   int GetNumberOfEdges() {return 6;}
00061   int GetNumberOfFaces() {return 4;}
00062   vtkCell *GetEdge(int);
00063   vtkCell *GetFace(int);
00065 
00066   int CellBoundary(int subId, float pcoords[3], vtkIdList *pts);
00067   void Contour(float value, vtkDataArray *cellScalars, 
00068                vtkPointLocator *locator, vtkCellArray *verts, 
00069                vtkCellArray *lines, vtkCellArray *polys, 
00070                vtkPointData *inPd, vtkPointData *outPd,
00071                vtkCellData *inCd, vtkIdType cellId, vtkCellData *outCd);
00072   int EvaluatePosition(float x[3], float* closestPoint,
00073                        int& subId, float pcoords[3], 
00074                        float& dist2, float *weights);
00075   void EvaluateLocation(int& subId, float pcoords[3], float x[3],
00076                         float *weights);
00077   int Triangulate(int index, vtkIdList *ptIds, vtkPoints *pts);
00078   void Derivatives(int subId, float pcoords[3], float *values, 
00079                    int dim, float *derivs);
00080 
00082 
00084   void Clip(float value, vtkDataArray *cellScalars, 
00085             vtkPointLocator *locator, vtkCellArray *tetras,
00086             vtkPointData *inPd, vtkPointData *outPd,
00087             vtkCellData *inCd, vtkIdType cellId, vtkCellData *outCd,
00088             int insideOut);
00090 
00092 
00094   int IntersectWithLine(float p1[3], float p2[3], float tol, float& t,
00095                         float x[3], float pcoords[3], int& subId);
00097 
00098   
00100   int GetParametricCenter(float pcoords[3]);
00101 
00103 
00104   static void InterpolationFunctions(float pcoords[3], float weights[3]);
00105   static void InterpolationDerivs(float pcoords[3], float derivs[3]);
00107 
00111   void JacobianInverse(float pcoords[3], double **inverse, float derivs[30]);
00112 
00113 protected:
00114   vtkQuadraticTetra();
00115   ~vtkQuadraticTetra();
00116 
00117   vtkQuadraticEdge *Edge;
00118   vtkQuadraticTriangle *Face;
00119   vtkTetra *Tetra;
00120   vtkFloatArray *Scalars; //used to avoid New/Delete in contouring/clipping
00121 
00122 private:
00123   vtkQuadraticTetra(const vtkQuadraticTetra&);  // Not implemented.
00124   void operator=(const vtkQuadraticTetra&);  // Not implemented.
00125 };
00126 
00127 #endif
00128 
00129