Common/vtkQuadraticQuad.h Source File

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# Common/vtkQuadraticQuad.h

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    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 =========================================================================*/
    00049 #ifndef __vtkQuadraticQuad_h
    00050 #define __vtkQuadraticQuad_h
    00051
    00052 #include "vtkNonLinearCell.h"
    00053
    00054 class vtkPolyData;
    00055 class vtkQuadraticEdge;
    00056 class vtkQuad;
    00057 class vtkPointData;
    00058 class vtkCellData;
    00059
    00060 class VTK_COMMON_EXPORT vtkQuadraticQuad : public vtkNonLinearCell
    00061 {
    00062 public:
    00063   static vtkQuadraticQuad *New();
    00064   vtkTypeRevisionMacro(vtkQuadraticQuad,vtkNonLinearCell);
    00065
    00067
    00069   int GetCellType() {return VTK_QUADRATIC_QUAD;};
    00070   int GetCellDimension() {return 2;}
    00071   int GetNumberOfEdges() {return 4;}
    00072   int GetNumberOfFaces() {return 0;}
    00073   vtkCell *GetEdge(int);
    00074   vtkCell *GetFace(int) {return 0;}
    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 *polys,
    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
    00112   static void InterpolationFunctions(float pcoords[3], float weights[8]);
    00113   static void InterpolationDerivs(float pcoords[3], float derivs[16]);
    00115
    00116 protected:
    00117   vtkQuadraticQuad();
    00118   ~vtkQuadraticQuad();
    00119
    00120   vtkQuadraticEdge *Edge;
    00121   vtkQuad          *Quad;
    00122   vtkPointData     *PointData;
    00123   vtkCellData      *CellData;
    00124   vtkFloatArray    *Scalars;
    00125
    00126   void Subdivide(float *weights);
    00127   void InterpolateAttributes(vtkPointData *inPd, vtkCellData *inCd,
    00128                              vtkIdType cellId, float *weights);
    00129
    00130 private:
    00131   vtkQuadraticQuad(const vtkQuadraticQuad&);  // Not implemented.
    00132   void operator=(const vtkQuadraticQuad&);  // Not implemented.
    00133 };
    00134
    00135 #endif
    00136
    00137