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dox/Rendering/vtkCellPicker.h

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00001 /*=========================================================================
00002 
00003   Program:   Visualization Toolkit
00004   Module:    $RCSfile: vtkCellPicker.h,v $
00005 
00006   Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
00007   All rights reserved.
00008   See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
00009 
00010      This software is distributed WITHOUT ANY WARRANTY; without even
00011      the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
00012      PURPOSE.  See the above copyright notice for more information.
00013 
00014 =========================================================================*/
00030 #ifndef __vtkCellPicker_h
00031 #define __vtkCellPicker_h
00032 
00033 #include "vtkPicker.h"
00034 
00035 class vtkGenericCell;
00036 
00037 class VTK_RENDERING_EXPORT vtkCellPicker : public vtkPicker
00038 {
00039 public:
00040   static vtkCellPicker *New();
00041   vtkTypeRevisionMacro(vtkCellPicker,vtkPicker);
00042   void PrintSelf(ostream& os, vtkIndent indent);
00043 
00045 
00046   vtkGetMacro(CellId, vtkIdType);
00048 
00050 
00051   vtkGetMacro(SubId, int);
00053 
00055 
00057   vtkGetVectorMacro(PCoords, double,3);
00059 
00060 protected:
00061   vtkCellPicker();
00062   ~vtkCellPicker();
00063 
00064   vtkIdType CellId; // picked cell
00065   int SubId; // picked cell subId
00066   double PCoords[3]; // picked cell parametric coordinates
00067 
00068   virtual double IntersectWithLine(double p1[3], double p2[3], double tol, 
00069                                   vtkAssemblyPath *path, vtkProp3D *p, 
00070                                   vtkAbstractMapper3D *m);
00071   void Initialize();
00072   
00073 private:
00074   vtkGenericCell *Cell; //used to accelerate picking
00075   
00076 private:
00077   vtkCellPicker(const vtkCellPicker&);  // Not implemented.
00078   void operator=(const vtkCellPicker&);  // Not implemented.
00079 };
00080 
00081 #endif
00082 
00083 

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