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# Common/vtkVoxel.h

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    00001 /*=========================================================================
    00002
    00003   Program:   Visualization Toolkit
    00004   Module:    $RCSfile: vtkVoxel.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 =========================================================================*/
    00045 #ifndef __vtkVoxel_h
    00046 #define __vtkVoxel_h
    00047
    00048 #include "vtkCell3D.h"
    00049
    00050 class vtkLine;
    00051 class vtkPixel;
    00052
    00053 class VTK_COMMON_EXPORT vtkVoxel : public vtkCell3D
    00054 {
    00055 public:
    00056   static vtkVoxel *New();
    00057   vtkTypeRevisionMacro(vtkVoxel,vtkCell3D);
    00058
    00060
    00061   virtual void GetEdgePoints(int edgeId, int* &pts);
    00062   virtual void GetFacePoints(int faceId, int* &pts);
    00063   virtual float *GetParametricCoords();
    00065
    00067
    00068   int GetCellType() {return VTK_VOXEL;}
    00069   int GetCellDimension() {return 3;}
    00070   int GetNumberOfEdges() {return 12;}
    00071   int GetNumberOfFaces() {return 6;}
    00072   vtkCell *GetEdge(int edgeId);
    00073   vtkCell *GetFace(int faceId);
    00074   int CellBoundary(int subId, float pcoords[3], vtkIdList *pts);
    00075   void Contour(float value, vtkDataArray *cellScalars,
    00076                vtkPointLocator *locator, vtkCellArray *verts,
    00077                vtkCellArray *lines, vtkCellArray *polys,
    00078                vtkPointData *inPd, vtkPointData *outPd,
    00079                vtkCellData *inCd, vtkIdType cellId, vtkCellData *outCd);
    00080   int EvaluatePosition(float x[3], float* closestPoint,
    00081                        int& subId, float pcoords[3],
    00082                        float& dist2, float *weights);
    00083   void EvaluateLocation(int& subId, float pcoords[3], float x[3],
    00084                         float *weights);
    00085   int IntersectWithLine(float p1[3], float p2[3], float tol, float& t,
    00086                         float x[3], float pcoords[3], int& subId);
    00087   int Triangulate(int index, vtkIdList *ptIds, vtkPoints *pts);
    00088   void Derivatives(int subId, float pcoords[3], float *values,
    00089                    int dim, float *derivs);
    00091
    00093
    00094   static void InterpolationFunctions(float pcoords[3], float weights[8]);
    00095   static void InterpolationDerivs(float pcoords[3], float derivs[24]);
    00096   static int *GetEdgeArray(int edgeId);
    00097   static int *GetFaceArray(int faceId);
    00099
    00100 protected:
    00101   vtkVoxel();
    00102   ~vtkVoxel();
    00103
    00104   vtkLine *Line;
    00105   vtkPixel *Pixel;
    00106
    00107 private:
    00108   vtkVoxel(const vtkVoxel&);  // Not implemented.
    00109   void operator=(const vtkVoxel&);  // Not implemented.
    00110 };
    00111
    00112 #endif
    00113
    00114