Main Page | Class Hierarchy | Alphabetical List | Class List | File List | Class Members | File Members | Related Pages
Common/vtkPixel.h

00001 /*=========================================================================
00002 
00003   Program:   Visualization Toolkit
00004   Module:    $RCSfile: vtkPixel.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 =========================================================================*/
00030 #ifndef __vtkPixel_h
00031 #define __vtkPixel_h
00032 
00033 #include "vtkCell.h"
00034 
00035 class vtkLine;
00036 
00037 class VTK_COMMON_EXPORT vtkPixel : public vtkCell
00038 {
00039 public:
00040   static vtkPixel *New();
00041   vtkTypeRevisionMacro(vtkPixel,vtkCell);
00042 
00044 
00045   int GetCellType() {return VTK_PIXEL;};
00046   int GetCellDimension() {return 2;};
00047   int GetNumberOfEdges() {return 4;};
00048   int GetNumberOfFaces() {return 0;};
00049   vtkCell *GetEdge(int edgeId);
00050   vtkCell *GetFace(int) {return 0;};
00051   int CellBoundary(int subId, double pcoords[3], vtkIdList *pts);
00052   void Contour(double value, vtkDataArray *cellScalars, 
00053                vtkPointLocator *locator, vtkCellArray *verts, 
00054                vtkCellArray *lines, vtkCellArray *polys,
00055                vtkPointData *inPd, vtkPointData *outPd,
00056                vtkCellData *inCd, vtkIdType cellId, vtkCellData *outCd);
00057   void Clip(double value, vtkDataArray *cellScalars, 
00058             vtkPointLocator *locator, vtkCellArray *polys,
00059             vtkPointData *inPd, vtkPointData *outPd,
00060             vtkCellData *inCd, vtkIdType cellId, vtkCellData *outCd,
00061             int insideOut);
00062   int EvaluatePosition(double x[3], double* closestPoint,
00063                        int& subId, double pcoords[3],
00064                        double& dist2, double *weights);
00065   void EvaluateLocation(int& subId, double pcoords[3], double x[3],
00066                         double *weights);
00067   int IntersectWithLine(double p1[3], double p2[3], double tol, double& t,
00068                         double x[3], double pcoords[3], int& subId);
00069   int Triangulate(int index, vtkIdList *ptIds, vtkPoints *pts);
00070   void Derivatives(int subId, double pcoords[3], double *values, 
00071                    int dim, double *derivs);
00072   virtual double *GetParametricCoords();
00074 
00076 
00077   static void InterpolationFunctions(double pcoords[3], double weights[4]);
00078   static void InterpolationDerivs(double pcoords[3], double derivs[8]);
00080 
00081   
00082 protected:
00083   vtkPixel();
00084   ~vtkPixel();
00085 
00086   vtkLine *Line;
00087 
00088 private:
00089   vtkPixel(const vtkPixel&);  // Not implemented.
00090   void operator=(const vtkPixel&);  // Not implemented.
00091 };
00092 
00093 #endif
00094 
00095