Main Page Class Hierarchy Alphabetical List Compound List File List Compound Members File Members Related Pages
Common/vtkQuadraticHexahedron.h

00001 /*=========================================================================
00002 
00003   Program:   Visualization Toolkit
00004   Module:    $RCSfile: vtkQuadraticHexahedron.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 __vtkQuadraticHexahedron_h
00051 #define __vtkQuadraticHexahedron_h
00052 
00053 #include "vtkNonLinearCell.h"
00054 
00055 class vtkPolyData;
00056 class vtkQuadraticEdge;
00057 class vtkQuadraticQuad;
00058 class vtkHexahedron;
00059 
00060 class VTK_COMMON_EXPORT vtkQuadraticHexahedron : public vtkNonLinearCell
00061 {
00062 public:
00063   static vtkQuadraticHexahedron *New();
00064   vtkTypeRevisionMacro(vtkQuadraticHexahedron,vtkNonLinearCell);
00065 
00067 
00069   int GetCellType() {return VTK_QUADRATIC_HEXAHEDRON;}
00070   int GetCellDimension() {return 3;}
00071   int GetNumberOfEdges() {return 12;}
00072   int GetNumberOfFaces() {return 6;}
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 
00096   void Clip(float value, vtkDataArray *cellScalars, 
00097             vtkPointLocator *locator, vtkCellArray *tetras,
00098             vtkPointData *inPd, vtkPointData *outPd,
00099             vtkCellData *inCd, vtkIdType cellId, vtkCellData *outCd,
00100             int insideOut);
00102 
00104 
00106   int IntersectWithLine(float p1[3], float p2[3], float tol, float& t,
00107                         float x[3], float pcoords[3], int& subId);
00109 
00110   
00112 
00113   static void InterpolationFunctions(float pcoords[3], float weights[3]);
00114   static void InterpolationDerivs(float pcoords[3], float derivs[3]);
00116 
00120   void JacobianInverse(float pcoords[3], double **inverse, float derivs[60]);
00121 
00122 protected:
00123   vtkQuadraticHexahedron();
00124   ~vtkQuadraticHexahedron();
00125 
00126   vtkQuadraticEdge *Edge;
00127   vtkQuadraticQuad *Face;
00128   vtkHexahedron    *Hex;
00129   vtkPointData     *PointData;
00130   vtkCellData      *CellData;
00131   vtkFloatArray    *Scalars;
00132   
00133   void Subdivide(vtkPointData *inPd, vtkCellData *inCd, vtkIdType cellId);
00134 
00135 private:
00136   vtkQuadraticHexahedron(const vtkQuadraticHexahedron&);  // Not implemented.
00137   void operator=(const vtkQuadraticHexahedron&);  // Not implemented.
00138 };
00139 
00140 #endif
00141 
00142