common/vtkWedge.h Source File

00001 /*=========================================================================
00002 
00003   Program:   Visualization Toolkit
00004   Module:    $RCSfile: vtkWedge.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 =========================================================================*/
00054 #ifndef __vtkWedge_h
00055 #define __vtkWedge_h
00056 
00057 #include "vtkCell.h"
00058 #include "vtkLine.h"
00059 #include "vtkTriangle.h"
00060 #include "vtkQuad.h"
00061 
00062 class vtkUnstructuredGrid;
00063 
00064 class VTK_EXPORT vtkWedge : public vtkCell
00065 {
00066 public:
00067   static vtkWedge *New();
00068   vtkTypeMacro(vtkWedge,vtkCell);
00069 
00071   vtkCell *MakeObject();
00072   int GetCellType() {return VTK_WEDGE;};
00073   int GetCellDimension() {return 3;};
00074   int GetNumberOfEdges() {return 9;};
00075   int GetNumberOfFaces() {return 5;};
00076   vtkCell *GetEdge(int edgeId);
00077   vtkCell *GetFace(int faceId);
00078   static int *GetFaceArray(int faceId);
00079   int CellBoundary(int subId, float pcoords[3], vtkIdList *pts);
00080   void Contour(float value, vtkScalars *cellScalars, 
00081                vtkPointLocator *locator, vtkCellArray *verts, 
00082                vtkCellArray *lines, vtkCellArray *polys,
00083                vtkPointData *inPd, vtkPointData *outPd,
00084                vtkCellData *inCd, int cellId, vtkCellData *outCd);
00085   void Clip(float value, vtkScalars *cellScalars, 
00086             vtkPointLocator *locator, vtkCellArray *wedges,
00087             vtkPointData *inPd, vtkPointData *outPd,
00088             vtkCellData *inCd, int cellId, vtkCellData *outCd, int insideOut);
00089   int EvaluatePosition(float x[3], float* closestPoint,
00090                        int& subId, float pcoords[3],
00091                        float& dist2, float *weights);
00092   void EvaluateLocation(int& subId, float pcoords[3], float x[3],
00093                         float *weights);
00094   int IntersectWithLine(float p1[3], float p2[3], float tol, float& t,
00095                         float x[3], float pcoords[3], int& subId);
00096   int Triangulate(int index, vtkIdList *ptIds, vtkPoints *pts);
00097   void Derivatives(int subId, float pcoords[3], float *values, 
00098                    int dim, float *derivs);
00099 
00101   int GetParametricCenter(float pcoords[3]);
00102 
00105   static void InterpolationFunctions(float pcoords[3], float weights[6]);
00106   static void InterpolationDerivs(float pcoords[3], float derivs[18]);
00107   int JacobianInverse(float pcoords[3], double **inverse, float derivs[18]);
00108 
00109 protected:
00110   vtkWedge();
00111   ~vtkWedge();
00112   vtkWedge(const vtkWedge&) {};
00113   void operator=(const vtkWedge&) {};
00114 
00115   vtkLine *Line;
00116   vtkTriangle *Triangle;
00117   vtkQuad *Quad;
00118 
00119 };
00120 
00121 inline int vtkWedge::GetParametricCenter(float pcoords[3])
00122 {
00123   pcoords[0] = pcoords[1] = 0.333333;
00124   pcoords[2] = 0.5;
00125   return 0;
00126 }
00127 
00128 #endif
00129 
00130 
00131