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Common/vtkQuadraticTetra.h

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 =========================================================================*/
00050 #ifndef __vtkQuadraticTetra_h
00051 #define __vtkQuadraticTetra_h
00052 
00053 #include "vtkNonLinearCell.h"
00054 
00055 class vtkPolyData;
00056 class vtkQuadraticEdge;
00057 class vtkQuadraticTriangle;
00058 class vtkTetra;
00059 
00060 class VTK_COMMON_EXPORT vtkQuadraticTetra : public vtkNonLinearCell
00061 {
00062 public:
00063   static vtkQuadraticTetra *New();
00064   vtkTypeRevisionMacro(vtkQuadraticTetra,vtkNonLinearCell);
00065 
00067 
00069   int GetCellType() {return VTK_QUADRATIC_TETRA;}
00070   int GetCellDimension() {return 3;}
00071   int GetNumberOfEdges() {return 6;}
00072   int GetNumberOfFaces() {return 4;}
00073   vtkCell *GetEdge(int);
00074   vtkCell *GetFace(int);
00076 
00077   int CellBoundary(int subId, float pcoords[3], vtkIdList *pts);
00078   void Contour(float value, vtkDataArray *cellScalars, 
00079                vtkPointLocator *locator, vtkCellArray *verts, 
00080                vtkCellArray *lines, vtkCellArray *polys, 
00081                vtkPointData *inPd, vtkPointData *outPd,
00082                vtkCellData *inCd, vtkIdType cellId, vtkCellData *outCd);
00083   int EvaluatePosition(float x[3], float* closestPoint,
00084                        int& subId, float pcoords[3], 
00085                        float& dist2, float *weights);
00086   void EvaluateLocation(int& subId, float pcoords[3], float x[3],
00087                         float *weights);
00088   int Triangulate(int index, vtkIdList *ptIds, vtkPoints *pts);
00089   void Derivatives(int subId, float pcoords[3], float *values, 
00090                    int dim, float *derivs);
00091 
00093 
00095   void Clip(float value, vtkDataArray *cellScalars, 
00096             vtkPointLocator *locator, vtkCellArray *tetras,
00097             vtkPointData *inPd, vtkPointData *outPd,
00098             vtkCellData *inCd, vtkIdType cellId, vtkCellData *outCd,
00099             int insideOut);
00101 
00103 
00105   int IntersectWithLine(float p1[3], float p2[3], float tol, float& t,
00106                         float x[3], float pcoords[3], int& subId);
00108 
00109   
00111   int GetParametricCenter(float pcoords[3]);
00112 
00114 
00115   static void InterpolationFunctions(float pcoords[3], float weights[3]);
00116   static void InterpolationDerivs(float pcoords[3], float derivs[3]);
00118 
00122   void JacobianInverse(float pcoords[3], double **inverse, float derivs[30]);
00123 
00124 protected:
00125   vtkQuadraticTetra();
00126   ~vtkQuadraticTetra();
00127 
00128   vtkQuadraticEdge *Edge;
00129   vtkQuadraticTriangle *Face;
00130   vtkTetra *Tetra;
00131   vtkFloatArray *Scalars; //used to avoid New/Delete in contouring/clipping
00132 
00133 private:
00134   vtkQuadraticTetra(const vtkQuadraticTetra&);  // Not implemented.
00135   void operator=(const vtkQuadraticTetra&);  // Not implemented.
00136 };
00137 
00138 #endif
00139 
00140