Common/vtkVoxel.h Source File

00001 /*=========================================================================
00002 
00003   Program:   Visualization Toolkit
00004   Module:    $RCSfile: vtkVoxel.h,v $
00005   Language:  C++
00006 
00007 
00008 Copyright (c) 1993-2001 Ken Martin, Will Schroeder, Bill Lorensen 
00009 All rights reserved.
00010 
00011 Redistribution and use in source and binary forms, with or without
00012 modification, are permitted provided that the following conditions are met:
00013 
00014  * Redistributions of source code must retain the above copyright notice,
00015    this list of conditions and the following disclaimer.
00016 
00017  * Redistributions in binary form must reproduce the above copyright notice,
00018    this list of conditions and the following disclaimer in the documentation
00019    and/or other materials provided with the distribution.
00020 
00021  * Neither name of Ken Martin, Will Schroeder, or Bill Lorensen nor the names
00022    of any contributors may be used to endorse or promote products derived
00023    from this software without specific prior written permission.
00024 
00025  * Modified source versions must be plainly marked as such, and must not be
00026    misrepresented as being the original software.
00027 
00028 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``AS IS''
00029 AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
00030 IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
00031 ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE FOR
00032 ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
00033 DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
00034 SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
00035 CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
00036 OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
00037 OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
00038 
00039 =========================================================================*/
00058 #ifndef __vtkVoxel_h
00059 #define __vtkVoxel_h
00060 
00061 #include "vtkCell3D.h"
00062 #include "vtkLine.h"
00063 #include "vtkPixel.h"
00064 
00065 class VTK_COMMON_EXPORT vtkVoxel : public vtkCell3D
00066 {
00067 public:
00068   static vtkVoxel *New();
00069   vtkTypeMacro(vtkVoxel,vtkCell);
00070 
00072 
00073   virtual void GetEdgePoints(int edgeId, int* &pts);
00074   virtual void GetFacePoints(int faceId, int* &pts);
00076 
00078 
00079   vtkCell *MakeObject();
00080   int GetCellType() {return VTK_VOXEL;}
00081   int GetCellDimension() {return 3;}
00082   int GetNumberOfEdges() {return 12;}
00083   int GetNumberOfFaces() {return 6;}
00084   vtkCell *GetEdge(int edgeId);
00085   vtkCell *GetFace(int faceId);
00086   int CellBoundary(int subId, float pcoords[3], vtkIdList *pts);
00087   void Contour(float value, vtkDataArray *cellScalars, 
00088                vtkPointLocator *locator, vtkCellArray *verts, 
00089                vtkCellArray *lines, vtkCellArray *polys,
00090                vtkPointData *inPd, vtkPointData *outPd,
00091                vtkCellData *inCd, vtkIdType cellId, vtkCellData *outCd);
00092   int EvaluatePosition(float x[3], float* closestPoint,
00093                        int& subId, float pcoords[3],
00094                        float& dist2, float *weights);
00095   void EvaluateLocation(int& subId, float pcoords[3], float x[3],
00096                         float *weights);
00097   int IntersectWithLine(float p1[3], float p2[3], float tol, float& t,
00098                         float x[3], float pcoords[3], int& subId);
00099   int Triangulate(int index, vtkIdList *ptIds, vtkPoints *pts);
00100   void Derivatives(int subId, float pcoords[3], float *values, 
00101                    int dim, float *derivs);
00103 
00105 
00106   static void InterpolationFunctions(float pcoords[3], float weights[8]);
00107   static void InterpolationDerivs(float pcoords[3], float derivs[24]);
00108   static int *GetEdgeArray(int edgeId);
00109   static int *GetFaceArray(int faceId);
00111 
00112 protected:
00113   vtkVoxel();
00114   ~vtkVoxel();
00115 
00116   vtkLine *Line;
00117   vtkPixel *Pixel;
00118   
00119 private:
00120   vtkVoxel(const vtkVoxel&);  // Not implemented.
00121   void operator=(const vtkVoxel&);  // Not implemented.
00122 };
00123 
00124 #endif
00125 
00126