VTK: dox/Filtering/vtkVoxel.h Source File

00001 /*=========================================================================
00002 
00003   Program:   Visualization Toolkit
00004   Module:    $RCSfile: vtkVoxel.h,v $
00005 
00006   Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
00007   All rights reserved.
00008   See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
00009 
00010      This software is distributed WITHOUT ANY WARRANTY; without even
00011      the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
00012      PURPOSE.  See the above copyright notice for more information.
00013 
00014 =========================================================================*/
00033 #ifndef __vtkVoxel_h
00034 #define __vtkVoxel_h
00035 
00036 #include "vtkCell3D.h"
00037 
00038 class vtkLine;
00039 class vtkPixel;
00040 
00041 class VTK_FILTERING_EXPORT vtkVoxel : public vtkCell3D
00042 {
00043 public:
00044   static vtkVoxel *New();
00045   vtkTypeRevisionMacro(vtkVoxel,vtkCell3D);
00046   void PrintSelf(ostream& os, vtkIndent indent);
00047 
00049 
00050   virtual void GetEdgePoints(int edgeId, int* &pts);
00051   virtual void GetFacePoints(int faceId, int* &pts);
00052   virtual double *GetParametricCoords();
00054 
00056 
00057   int GetCellType() {return VTK_VOXEL;}
00058   int GetCellDimension() {return 3;}
00059   int GetNumberOfEdges() {return 12;}
00060   int GetNumberOfFaces() {return 6;}
00061   vtkCell *GetEdge(int edgeId);
00062   vtkCell *GetFace(int faceId);
00063   int CellBoundary(int subId, double pcoords[3], vtkIdList *pts);
00064   void Contour(double value, vtkDataArray *cellScalars, 
00065                vtkPointLocator *locator, vtkCellArray *verts, 
00066                vtkCellArray *lines, vtkCellArray *polys,
00067                vtkPointData *inPd, vtkPointData *outPd,
00068                vtkCellData *inCd, vtkIdType cellId, vtkCellData *outCd);
00069   int EvaluatePosition(double x[3], double* closestPoint,
00070                        int& subId, double pcoords[3],
00071                        double& dist2, double *weights);
00072   void EvaluateLocation(int& subId, double pcoords[3], double x[3],
00073                         double *weights);
00074   int IntersectWithLine(double p1[3], double p2[3], double tol, double& t,
00075                         double x[3], double pcoords[3], int& subId);
00076   int Triangulate(int index, vtkIdList *ptIds, vtkPoints *pts);
00077   void Derivatives(int subId, double pcoords[3], double *values, 
00078                    int dim, double *derivs);
00080 
00082 
00083   static void InterpolationFunctions(double pcoords[3], double weights[8]);
00084   static void InterpolationDerivs(double pcoords[3], double derivs[24]);
00085   static int *GetEdgeArray(int edgeId);
00086   static int *GetFaceArray(int faceId);
00088 
00089 protected:
00090   vtkVoxel();
00091   ~vtkVoxel();
00092 
00093   vtkLine *Line;
00094   vtkPixel *Pixel;
00095   
00096 private:
00097   vtkVoxel(const vtkVoxel&);  // Not implemented.
00098   void operator=(const vtkVoxel&);  // Not implemented.
00099 };
00100 
00101 #endif
00102 
00103