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00034 #ifndef __vtkPixel_h
00035 #define __vtkPixel_h
00036
00037 #include "vtkCell.h"
00038
00039 class vtkLine;
00040
00041 class VTK_COMMON_EXPORT vtkPixel : public vtkCell
00042 {
00043 public:
00044 static vtkPixel *New();
00045 vtkTypeRevisionMacro(vtkPixel,vtkCell);
00046
00048
00049 int GetCellType() {return VTK_PIXEL;};
00050 int GetCellDimension() {return 2;};
00051 int GetNumberOfEdges() {return 4;};
00052 int GetNumberOfFaces() {return 0;};
00053 vtkCell *GetEdge(int edgeId);
00054 vtkCell *GetFace(int) {return 0;};
00055 int CellBoundary(int subId, float pcoords[3], vtkIdList *pts);
00056 void Contour(float value, vtkDataArray *cellScalars,
00057 vtkPointLocator *locator, vtkCellArray *verts,
00058 vtkCellArray *lines, vtkCellArray *polys,
00059 vtkPointData *inPd, vtkPointData *outPd,
00060 vtkCellData *inCd, vtkIdType cellId, vtkCellData *outCd);
00061 void Clip(float value, vtkDataArray *cellScalars,
00062 vtkPointLocator *locator, vtkCellArray *polys,
00063 vtkPointData *inPd, vtkPointData *outPd,
00064 vtkCellData *inCd, vtkIdType cellId, vtkCellData *outCd,
00065 int insideOut);
00066 int EvaluatePosition(float x[3], float* closestPoint,
00067 int& subId, float pcoords[3],
00068 float& dist2, float *weights);
00069 void EvaluateLocation(int& subId, float pcoords[3], float x[3],
00070 float *weights);
00071 int IntersectWithLine(float p1[3], float p2[3], float tol, float& t,
00072 float x[3], float pcoords[3], int& subId);
00073 int Triangulate(int index, vtkIdList *ptIds, vtkPoints *pts);
00074 void Derivatives(int subId, float pcoords[3], float *values,
00075 int dim, float *derivs);
00077
00079
00080 static void InterpolationFunctions(float pcoords[3], float weights[4]);
00081 static void InterpolationDerivs(float pcoords[3], float derivs[8]);
00083
00084
00085 protected:
00086 vtkPixel();
00087 ~vtkPixel();
00088
00089 vtkLine *Line;
00090
00091 private:
00092 vtkPixel(const vtkPixel&);
00093 void operator=(const vtkPixel&);
00094 };
00095
00096 #endif
00097
00098