vtkCollapseVerticesByArray.h

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// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
// SPDX-License-Identifier: BSD-3-Clause
 
#ifndef vtkCollapseVerticesByArray_h
#define vtkCollapseVerticesByArray_h
 
#include "vtkGraphAlgorithm.h"
#include "vtkInfovisCoreModule.h" // For export macro
 
VTK_ABI_NAMESPACE_BEGIN
class vtkCollapseVerticesByArrayInternal;
 
class VTKINFOVISCORE_EXPORT vtkCollapseVerticesByArray : public vtkGraphAlgorithm
{
public:
  static vtkCollapseVerticesByArray* New();
  vtkTypeMacro(vtkCollapseVerticesByArray, vtkGraphAlgorithm);
 
  void PrintSelf(ostream& os, vtkIndent indent) override;


  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() override;

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

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

  vtkGraph* Create(vtkGraph* inGraph);

  void FindEdge(vtkGraph* outGraph, vtkIdType source, vtkIdType target, vtkIdType& edgeId);
 
private:
  vtkCollapseVerticesByArray(const vtkCollapseVerticesByArray&) = delete;
  void operator=(const vtkCollapseVerticesByArray&) = delete;
 
protected:
  bool AllowSelfLoops;
  char* VertexArray;
 
  bool CountEdgesCollapsed;
  char* EdgesCollapsedArray;
 
  bool CountVerticesCollapsed;
  char* VerticesCollapsedArray;
 
  vtkCollapseVerticesByArrayInternal* Internal;
};
 
VTK_ABI_NAMESPACE_END
#endif // vtkCollapseVerticesByArray_h__