00001 /*========================================================================= 00002 00003 Program: Visualization Toolkit 00004 Module: vtkClipConvexPolyData.h 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 =========================================================================*/ 00026 #ifndef __vtkClipConvexPolyData_h 00027 #define __vtkClipConvexPolyData_h 00028 00029 #include "vtkPolyDataAlgorithm.h" 00030 00031 class vtkPlaneCollection; 00032 class vtkPlane; 00033 class vtkClipConvexPolyDataInternals; 00034 00035 class VTK_GRAPHICS_EXPORT vtkClipConvexPolyData : public vtkPolyDataAlgorithm 00036 { 00037 public: 00038 static vtkClipConvexPolyData *New(); 00039 vtkTypeMacro(vtkClipConvexPolyData,vtkPolyDataAlgorithm); 00040 void PrintSelf(ostream& os, vtkIndent indent); 00041 00043 00045 void SetPlanes(vtkPlaneCollection *planes); 00046 vtkGetObjectMacro(Planes,vtkPlaneCollection); 00048 00051 virtual unsigned long int GetMTime(); 00052 00053 protected: 00054 vtkClipConvexPolyData(); 00055 ~vtkClipConvexPolyData(); 00056 00057 // The method that does it all... 00058 int RequestData(vtkInformation *request, 00059 vtkInformationVector **inputVector, 00060 vtkInformationVector *outputVector); 00061 00063 00064 void ClipWithPlane(vtkPlane *p, 00065 double tolerance); 00067 00069 bool HasDegeneracies(vtkPlane *p); 00070 00072 void ClearInternals(); 00073 00075 void ClearNewVertices(); 00076 00078 void RemoveEmptyPolygons(); 00079 00080 vtkPlaneCollection *Planes; 00081 vtkClipConvexPolyDataInternals *Internal; 00082 00083 private: 00084 vtkClipConvexPolyData(const vtkClipConvexPolyData&); // Not implemented. 00085 void operator=(const vtkClipConvexPolyData&); // Not implemented. 00086 }; 00087 00088 #endif
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