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 =========================================================================*/
00055 #ifndef __vtkVoxel_h
00056 #define __vtkVoxel_h
00057 
00058 #include "vtkLine.h"
00059 #include "vtkPixel.h"
00060 
00061 class VTK_EXPORT vtkVoxel : public vtkCell
00062 {
00063 public:
00064   static vtkVoxel *New();
00065   vtkTypeMacro(vtkVoxel,vtkCell);
00066 
00068   vtkCell *MakeObject();
00069   int GetCellType() {return VTK_VOXEL;};
00070   int GetCellDimension() {return 3;};
00071   int GetNumberOfEdges() {return 12;};
00072   int GetNumberOfFaces() {return 6;};
00073   vtkCell *GetEdge(int edgeId);
00074   vtkCell *GetFace(int faceId);
00075   static int *GetFaceArray(int faceId);
00076   int CellBoundary(int subId, float pcoords[3], vtkIdList *pts);
00077   void Contour(float value, vtkScalars *cellScalars, 
00078                vtkPointLocator *locator, vtkCellArray *verts, 
00079                vtkCellArray *lines, vtkCellArray *polys,
00080                vtkPointData *inPd, vtkPointData *outPd,
00081                vtkCellData *inCd, int cellId, vtkCellData *outCd);
00082   void Clip(float value, vtkScalars *cellScalars, 
00083             vtkPointLocator *locator, vtkCellArray *tetras,
00084             vtkPointData *inPd, vtkPointData *outPd,
00085             vtkCellData *inCd, int cellId, vtkCellData *outCd, int insideOut);
00086   int EvaluatePosition(float x[3], float* closestPoint,
00087                        int& subId, float pcoords[3],
00088                        float& dist2, float *weights);
00089   void EvaluateLocation(int& subId, float pcoords[3], float x[3],
00090                         float *weights);
00091   int IntersectWithLine(float p1[3], float p2[3], float tol, float& t,
00092                         float x[3], float pcoords[3], int& subId);
00093   int Triangulate(int index, vtkIdList *ptIds, vtkPoints *pts);
00094   void Derivatives(int subId, float pcoords[3], float *values, 
00095                    int dim, float *derivs);
00096 
00098   static void InterpolationFunctions(float pcoords[3], float weights[8]);
00099   static void InterpolationDerivs(float pcoords[3], float derivs[24]);
00100 
00101 #ifndef VTK_REMOVE_LEGACY_CODE
00102 
00103   int CellBoundary(int subId, float pcoords[3], vtkIdList &pts)
00104     {VTK_LEGACY_METHOD(CellBoundary,"3.2"); return this->CellBoundary(subId, pcoords, &pts);}
00105   int Triangulate(int index, vtkIdList &ptIds, vtkPoints &pts)
00106     {VTK_LEGACY_METHOD(Triangulate,"3.2"); return this->Triangulate(index, &ptIds, &pts);}
00107 #endif
00108   
00109 
00110 protected:
00111   vtkVoxel();
00112   ~vtkVoxel();
00113   vtkVoxel(const vtkVoxel&) {};
00114   void operator=(const vtkVoxel&) {};
00115 
00116   vtkLine *Line;
00117   vtkPixel *Pixel;
00118   
00119 };
00120 
00121 #endif
00122 
00123