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Common/vtkEdgeTable.h

00001 /*=========================================================================
00002 
00003   Program:   Visualization Toolkit
00004   Module:    $RCSfile: vtkEdgeTable.h,v $
00005   Language:  C++
00006 
00007   Copyright (c) 1993-2002 Ken Martin, Will Schroeder, Bill Lorensen 
00008   All rights reserved.
00009   See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
00010 
00011      This software is distributed WITHOUT ANY WARRANTY; without even 
00012      the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR 
00013      PURPOSE.  See the above copyright notice for more information.
00014 
00015 =========================================================================*/
00040 #ifndef __vtkEdgeTable_h
00041 #define __vtkEdgeTable_h
00042 
00043 #include "vtkObject.h"
00044 
00045 class vtkIdList;
00046 class vtkPoints;
00047 
00048 class VTK_COMMON_EXPORT vtkEdgeTable : public vtkObject
00049 {
00050 public:
00052   static vtkEdgeTable *New();
00053 
00054   vtkTypeRevisionMacro(vtkEdgeTable,vtkObject);
00055   void PrintSelf(ostream& os, vtkIndent indent);
00056 
00058   void Initialize();
00059 
00067   int InitEdgeInsertion(vtkIdType numPoints, int storeAttributes=0);
00068 
00076   vtkIdType InsertEdge(vtkIdType p1, vtkIdType p2);
00077 
00084   void InsertEdge(vtkIdType p1, vtkIdType p2, int attributeId);
00085 
00091   int IsEdge(vtkIdType p1, vtkIdType p2);
00092 
00096   int InitPointInsertion(vtkPoints *newPts, vtkIdType estSize);
00097 
00099 
00102   int InsertUniquePoint(vtkIdType p1, vtkIdType p2, float x[3],
00103                         vtkIdType &ptId);
00105 
00107 
00108   vtkGetMacro(NumberOfEdges, vtkIdType);
00110 
00112   void InitTraversal();
00113 
00118   int GetNextEdge(vtkIdType &p1, vtkIdType &p2);
00119 
00122   void Reset();
00123 
00124 protected:
00125   vtkEdgeTable();
00126   ~vtkEdgeTable();
00127 
00128   vtkIdList **Table;
00129   vtkIdList **Attributes;
00130   int StoreAttributes;
00131   vtkIdType TableMaxId; //maximum point id inserted
00132   vtkIdType TableSize;  //allocated size of table
00133   int Position[2];
00134   int Extend;
00135   vtkIdType NumberOfEdges;
00136   vtkPoints *Points; //support point insertion
00137 
00138   vtkIdList **Resize(vtkIdType size);
00139 private:
00140   vtkEdgeTable(const vtkEdgeTable&);  // Not implemented.
00141   void operator=(const vtkEdgeTable&);  // Not implemented.
00142 };
00143 
00144 #endif
00145