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common/vtkPolyLine.h

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00001 /*========================================================================
00002 
00003   Program:   Visualization Toolkit
00004   Module:    $RCSfile: vtkPolyLine.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 __vtkPolyLine_h
00054 #define __vtkPolyLine_h
00055 
00056 #include "vtkCell.h"
00057 #include "vtkPoints.h"
00058 #include "vtkCellArray.h"
00059 #include "vtkNormals.h"
00060 #include "vtkLine.h"
00061 
00062 class VTK_EXPORT vtkPolyLine : public vtkCell
00063 {
00064 public:
00065   static vtkPolyLine *New();
00066   vtkTypeMacro(vtkPolyLine,vtkCell);
00067 
00073   int GenerateSlidingNormals(vtkPoints *, vtkCellArray *, vtkNormals *);
00074 
00076   vtkCell *MakeObject();
00077   int GetCellType() {return VTK_POLY_LINE;};
00078   int GetCellDimension() {return 1;};
00079   int GetNumberOfEdges() {return 0;};
00080   int GetNumberOfFaces() {return 0;};
00081   vtkCell *GetEdge(int vtkNotUsed(edgeId)) {return 0;};
00082   vtkCell *GetFace(int vtkNotUsed(faceId)) {return 0;};
00083   int CellBoundary(int subId, float pcoords[3], vtkIdList *pts);
00084   void Contour(float value, vtkScalars *cellScalars, 
00085                vtkPointLocator *locator, vtkCellArray *verts, 
00086                vtkCellArray *lines, vtkCellArray *polys, 
00087                vtkPointData *inPd, vtkPointData *outPd,
00088                vtkCellData *inCd, int cellId, vtkCellData *outCd);
00089   void Clip(float value, vtkScalars *cellScalars, 
00090             vtkPointLocator *locator, vtkCellArray *lines,
00091             vtkPointData *inPd, vtkPointData *outPd,
00092             vtkCellData *inCd, int cellId, vtkCellData *outCd, int insideOut);
00093   int EvaluatePosition(float x[3], float* closestPoint,
00094                        int& subId, float pcoords[3],
00095                        float& dist2, float *weights);
00096   void EvaluateLocation(int& subId, float pcoords[3], float x[3],
00097                         float *weights);
00098   int IntersectWithLine(float p1[3], float p2[3], float tol, float& t,
00099                         float x[3], float pcoords[3], int& subId);
00100   int Triangulate(int index, vtkIdList *ptIds, vtkPoints *pts);
00101   void Derivatives(int subId, float pcoords[3], float *values, 
00102                    int dim, float *derivs);
00103 
00105   int GetParametricCenter(float pcoords[3]);
00106 
00107 #ifndef VTK_REMOVE_LEGACY_CODE
00108 
00109   int CellBoundary(int subId, float pcoords[3], vtkIdList &pts)
00110     {VTK_LEGACY_METHOD(CellBoundary,"3.2"); return this->CellBoundary(subId, pcoords, &pts);}
00111   int Triangulate(int index, vtkIdList &ptIds, vtkPoints &pts)
00112     {VTK_LEGACY_METHOD(Triangulate,"3.2"); return this->Triangulate(index, &ptIds, &pts);}
00113 #endif
00114   
00115   
00116 protected:
00117   vtkPolyLine();
00118   ~vtkPolyLine();
00119   vtkPolyLine(const vtkPolyLine&) {};
00120   void operator=(const vtkPolyLine&) {};
00121 
00122   vtkLine *Line;
00123 
00124 };
00125 
00126 #endif
00127 
00128 

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