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common/vtkEdgeTable.h

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00001 /*=========================================================================
00002 
00003   Program:   Visualization Toolkit
00004   Module:    $RCSfile: vtkEdgeTable.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 =========================================================================*/
00052 #ifndef __vtkEdgeTable_h
00053 #define __vtkEdgeTable_h
00054 
00055 #include "vtkObject.h"
00056 
00057 class vtkIdList;
00058 class vtkPoints;
00059 
00060 class VTK_EXPORT vtkEdgeTable : public vtkObject
00061 {
00062 public:
00064   static vtkEdgeTable *New();
00065 
00066   vtkTypeMacro(vtkEdgeTable,vtkObject);
00067   void PrintSelf(ostream& os, vtkIndent indent);
00068 
00070   void Initialize();
00071 
00079   int InitEdgeInsertion(int numPoints, int storeAttributes=0);
00080 
00088   int InsertEdge(int p1, int p2);
00089 
00096   void InsertEdge(int p1, int p2, int attributeId);
00097 
00103   int IsEdge(int p1, int p2);
00104 
00108   int InitPointInsertion(vtkPoints *newPts, int estSize);
00109 
00113   int InsertUniquePoint(int p1, int p2, float x[3], int &ptId);
00114 
00116   vtkGetMacro(NumberOfEdges, int);
00117 
00119   void InitTraversal();
00120 
00125   int GetNextEdge(int &p1, int &p2);
00126 
00129   void Reset();
00130 
00131 protected:
00132   vtkEdgeTable();
00133   ~vtkEdgeTable();
00134   vtkEdgeTable(const vtkEdgeTable&) {};
00135   void operator=(const vtkEdgeTable&) {};
00136 
00137   vtkIdList **Table;
00138   vtkIdList **Attributes;
00139   int StoreAttributes;
00140   int TableMaxId; //maximum point id inserted
00141   int TableSize;  //allocated size of table
00142   int Position[2];
00143   int Extend;
00144   int NumberOfEdges;
00145   vtkPoints *Points; //support point insertion
00146 
00147   vtkIdList **Resize(int size);
00148 };
00149 
00150 #endif
00151 

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