Common/vtkPolyLine.h Source File

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 =========================================================================*/
00056 #ifndef __vtkPolyLine_h
00057 #define __vtkPolyLine_h
00058 
00059 #include "vtkCell.h"
00060 #include "vtkPoints.h"
00061 #include "vtkCellArray.h"
00062 #include "vtkLine.h"
00063 
00064 class VTK_COMMON_EXPORT vtkPolyLine : public vtkCell
00065 {
00066 public:
00067   static vtkPolyLine *New();
00068   vtkTypeMacro(vtkPolyLine,vtkCell);
00069 
00075   int GenerateSlidingNormals(vtkPoints *, vtkCellArray *, vtkDataArray *);
00076 
00078 
00079   vtkCell *MakeObject();
00080   int GetCellType() {return VTK_POLY_LINE;};
00081   int GetCellDimension() {return 1;};
00082   int GetNumberOfEdges() {return 0;};
00083   int GetNumberOfFaces() {return 0;};
00084   vtkCell *GetEdge(int vtkNotUsed(edgeId)) {return 0;};
00085   vtkCell *GetFace(int vtkNotUsed(faceId)) {return 0;};
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   void Clip(float value, vtkDataArray *cellScalars, 
00093             vtkPointLocator *locator, vtkCellArray *lines,
00094             vtkPointData *inPd, vtkPointData *outPd,
00095             vtkCellData *inCd, vtkIdType cellId, vtkCellData *outCd,
00096             int insideOut);
00097   int EvaluatePosition(float x[3], float* closestPoint,
00098                        int& subId, float pcoords[3],
00099                        float& dist2, float *weights);
00100   void EvaluateLocation(int& subId, float pcoords[3], float x[3],
00101                         float *weights);
00102   int IntersectWithLine(float p1[3], float p2[3], float tol, float& t,
00103                         float x[3], float pcoords[3], int& subId);
00104   int Triangulate(int index, vtkIdList *ptIds, vtkPoints *pts);
00105   void Derivatives(int subId, float pcoords[3], float *values, 
00106                    int dim, float *derivs);
00108 
00110   int GetParametricCenter(float pcoords[3]);
00111 
00112   
00113 protected:
00114   vtkPolyLine();
00115   ~vtkPolyLine();
00116 
00117   vtkLine *Line;
00118 
00119 private:
00120   vtkPolyLine(const vtkPolyLine&);  // Not implemented.
00121   void operator=(const vtkPolyLine&);  // Not implemented.
00122 };
00123 
00124 #endif
00125 
00126