Main Page | Class Hierarchy | Alphabetical List | Class List | File List | Class Members | File Members | Related Pages

Common/vtkQuadraticQuad.h

Go to the documentation of this file.
00001 /*=========================================================================
00002 
00003   Program:   Visualization Toolkit
00004   Module:    $RCSfile: vtkQuadraticQuad.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 __vtkQuadraticQuad_h
00040 #define __vtkQuadraticQuad_h
00041 
00042 #include "vtkNonLinearCell.h"
00043 
00044 class vtkPolyData;
00045 class vtkQuadraticEdge;
00046 class vtkQuad;
00047 class vtkPointData;
00048 class vtkCellData;
00049 
00050 class VTK_COMMON_EXPORT vtkQuadraticQuad : public vtkNonLinearCell
00051 {
00052 public:
00053   static vtkQuadraticQuad *New();
00054   vtkTypeRevisionMacro(vtkQuadraticQuad,vtkNonLinearCell);
00055 
00057 
00059   int GetCellType() {return VTK_QUADRATIC_QUAD;};
00060   int GetCellDimension() {return 2;}
00061   int GetNumberOfEdges() {return 4;}
00062   int GetNumberOfFaces() {return 0;}
00063   vtkCell *GetEdge(int);
00064   vtkCell *GetFace(int) {return 0;}
00066 
00067   int CellBoundary(int subId, float pcoords[3], vtkIdList *pts);
00068   void Contour(float value, vtkDataArray *cellScalars, 
00069                vtkPointLocator *locator, vtkCellArray *verts, 
00070                vtkCellArray *lines, vtkCellArray *polys, 
00071                vtkPointData *inPd, vtkPointData *outPd,
00072                vtkCellData *inCd, vtkIdType cellId, vtkCellData *outCd);
00073   int EvaluatePosition(float x[3], float* closestPoint,
00074                        int& subId, float pcoords[3], 
00075                        float& dist2, float *weights);
00076   void EvaluateLocation(int& subId, float pcoords[3], float x[3],
00077                         float *weights);
00078   int Triangulate(int index, vtkIdList *ptIds, vtkPoints *pts);
00079   void Derivatives(int subId, float pcoords[3], float *values, 
00080                    int dim, float *derivs);
00081 
00083 
00085   void Clip(float value, vtkDataArray *cellScalars, 
00086             vtkPointLocator *locator, vtkCellArray *polys,
00087             vtkPointData *inPd, vtkPointData *outPd,
00088             vtkCellData *inCd, vtkIdType cellId, vtkCellData *outCd,
00089             int insideOut);
00091 
00093 
00095   int IntersectWithLine(float p1[3], float p2[3], float tol, float& t,
00096                         float x[3], float pcoords[3], int& subId);
00098 
00099   
00101 
00102   static void InterpolationFunctions(float pcoords[3], float weights[8]);
00103   static void InterpolationDerivs(float pcoords[3], float derivs[16]);
00105 
00106 protected:
00107   vtkQuadraticQuad();
00108   ~vtkQuadraticQuad();
00109 
00110   vtkQuadraticEdge *Edge;
00111   vtkQuad          *Quad;
00112   vtkPointData     *PointData;
00113   vtkCellData      *CellData;
00114   vtkFloatArray    *Scalars;
00115 
00116   void Subdivide(float *weights);
00117   void InterpolateAttributes(vtkPointData *inPd, vtkCellData *inCd,
00118                              vtkIdType cellId, float *weights);
00119 
00120 private:
00121   vtkQuadraticQuad(const vtkQuadraticQuad&);  // Not implemented.
00122   void operator=(const vtkQuadraticQuad&);  // Not implemented.
00123 };
00124 
00125 #endif
00126 
00127