vtkCollapseVerticesByArray.h

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/*=========================================================================

  Program:   Visualization Toolkit
  Module:    vtkCollapseVerticesByArray.h

  Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
  All rights reserved.
  See Copyright.txt or http://www.kitware.com/Copyright.htm for details.

     This software is distributed WITHOUT ANY WARRANTY; without even
     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
     PURPOSE.  See the above copyright notice for more information.

=========================================================================*/
#ifndef __vtkCollapseVerticesByArray_h__
#define __vtkCollapseVerticesByArray_h__

#include "vtkInfovisCoreModule.h" // For export macro
#include "vtkGraphAlgorithm.h"

class vtkCollapseVerticesByArrayInternal;

class VTKINFOVISCORE_EXPORT vtkCollapseVerticesByArray : public vtkGraphAlgorithm
{
public:
    static vtkCollapseVerticesByArray* New();
    vtkTypeMacro(vtkCollapseVerticesByArray, vtkGraphAlgorithm);

    void PrintSelf(ostream &os, vtkIndent indent);


    vtkGetMacro(AllowSelfLoops, bool);
    vtkSetMacro(AllowSelfLoops, bool);
    vtkBooleanMacro(AllowSelfLoops, bool);

    void AddAggregateEdgeArray(const char* arrName);


    void ClearAggregateEdgeArray();


    vtkGetStringMacro(VertexArray);
    vtkSetStringMacro(VertexArray);



    vtkGetMacro(CountEdgesCollapsed, bool);
    vtkSetMacro(CountEdgesCollapsed, bool);
    vtkBooleanMacro(CountEdgesCollapsed, bool);


    vtkGetStringMacro(EdgesCollapsedArray);
    vtkSetStringMacro(EdgesCollapsedArray);



    vtkGetMacro(CountVerticesCollapsed, bool);
    vtkSetMacro(CountVerticesCollapsed, bool);
    vtkBooleanMacro(CountVerticesCollapsed, bool);


    vtkGetStringMacro(VerticesCollapsedArray);
    vtkSetStringMacro(VerticesCollapsedArray);

protected:

    vtkCollapseVerticesByArray();
   ~vtkCollapseVerticesByArray();


   virtual int RequestData(vtkInformation* request,
                           vtkInformationVector** inputVector,
                           vtkInformationVector* outputVector);

   virtual int FillOutputPortInformation(int port, vtkInformation* info);


   vtkGraph* Create(vtkGraph* inGraph);


   void FindEdge(vtkGraph* outGraph, vtkIdType source,
                 vtkIdType target, vtkIdType& edgeId);

private:
  vtkCollapseVerticesByArray(const vtkCollapseVerticesByArray&); // Not implemented
  void operator=(const vtkCollapseVerticesByArray&);             // Not implemented


protected:
  bool            AllowSelfLoops;
  char*           VertexArray;

  bool            CountEdgesCollapsed;
  char*           EdgesCollapsedArray;

  bool            CountVerticesCollapsed;
  char*           VerticesCollapsedArray;

  vtkCollapseVerticesByArrayInternal* Internal;
};

#endif // __vtkCollapseVerticesByArray_h__