common/vtkHexahedron.h Source File

00001 /*=========================================================================
00002 
00003   Program:   Visualization Toolkit
00004   Module:    $RCSfile: vtkHexahedron.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 =========================================================================*/
00053 #ifndef __vtkHexahedron_h
00054 #define __vtkHexahedron_h
00055 
00056 #include "vtkCell.h"
00057 #include "vtkLine.h"
00058 #include "vtkQuad.h"
00059 
00060 class VTK_EXPORT vtkHexahedron : public vtkCell
00061 {
00062 public:
00063   static vtkHexahedron *New();
00064   vtkTypeMacro(vtkHexahedron,vtkCell);
00065 
00067   vtkCell *MakeObject();
00068   int GetCellType() {return VTK_HEXAHEDRON;};
00069   int GetCellDimension() {return 3;};
00070   int GetNumberOfEdges() {return 12;};
00071   int GetNumberOfFaces() {return 6;};
00072   vtkCell *GetEdge(int edgeId);
00073   vtkCell *GetFace(int faceId);
00074   static int *GetFaceArray(int faceId);
00075   int CellBoundary(int subId, float pcoords[3], vtkIdList *pts);
00076   void Contour(float value, vtkScalars *cellScalars, 
00077                vtkPointLocator *locator, vtkCellArray *verts, 
00078                vtkCellArray *lines, vtkCellArray *polys,
00079                vtkPointData *inPd, vtkPointData *outPd,
00080                vtkCellData *inCd, int cellId, vtkCellData *outCd);
00081   void Clip(float value, vtkScalars *cellScalars, 
00082             vtkPointLocator *locator, vtkCellArray *tetras,
00083             vtkPointData *inPd, vtkPointData *outPd,
00084             vtkCellData *inCd, int cellId, vtkCellData *outCd, int insideOut);
00085   int EvaluatePosition(float x[3], float* closestPoint,
00086                        int& subId, float pcoords[3],
00087                        float& dist2, float *weights);
00088   void EvaluateLocation(int& subId, float pcoords[3], float x[3],
00089                         float *weights);
00090   int IntersectWithLine(float p1[3], float p2[3], float tol, float& t,
00091                         float x[3], float pcoords[3], int& subId);
00092   int Triangulate(int index, vtkIdList *ptIds, vtkPoints *pts);
00093   void Derivatives(int subId, float pcoords[3], float *values, 
00094                    int dim, float *derivs);
00095 
00097   static void InterpolationFunctions(float pcoords[3], float weights[8]);
00098   static void InterpolationDerivs(float pcoords[3], float derivs[24]);
00099 
00103   void JacobianInverse(float pcoords[3], double **inverse, float derivs[24]);
00104 
00105 #ifndef VTK_REMOVE_LEGACY_CODE
00106 
00107   int CellBoundary(int subId, float pcoords[3], vtkIdList &pts)
00108     {VTK_LEGACY_METHOD(CellBoundary,"3.2"); return this->CellBoundary(subId, pcoords, &pts);}
00109   int Triangulate(int index, vtkIdList &ptIds, vtkPoints &pts)
00110     {VTK_LEGACY_METHOD(Triangulate,"3.2"); return this->Triangulate(index, &ptIds, &pts);}
00111 #endif
00112   
00113 protected:
00114   vtkHexahedron();
00115   ~vtkHexahedron();
00116   vtkHexahedron(const vtkHexahedron&) {};
00117   void operator=(const vtkHexahedron&) {};
00118 
00119   vtkLine *Line;
00120   vtkQuad *Quad;
00121 
00122 };
00123 
00124 #endif
00125 
00126