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123 lines
3.8 KiB
C++
123 lines
3.8 KiB
C++
/*=========================================================================
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Program: Visualization Toolkit
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Module: vtkExpandSelectedGraph.h
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Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
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All rights reserved.
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See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
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This software is distributed WITHOUT ANY WARRANTY; without even
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the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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PURPOSE. See the above copyright notice for more information.
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=========================================================================*/
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/*-------------------------------------------------------------------------
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Copyright 2008 Sandia Corporation.
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Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation,
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the U.S. Government retains certain rights in this software.
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-------------------------------------------------------------------------*/
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/**
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* @class vtkExpandSelectedGraph
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* @brief expands a selection set of a vtkGraph
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*
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*
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* The first input is a vtkSelection containing the selected vertices.
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* The second input is a vtkGraph.
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* This filter 'grows' the selection set in one of the following ways
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* 1) SetBFSDistance controls how many 'hops' the selection is grown
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* from each seed point in the selection set (defaults to 1)
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* 2) IncludeShortestPaths controls whether this filter tries to
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* 'connect' the vertices in the selection set by computing the
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* shortest path between the vertices (if such a path exists)
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* Note: IncludeShortestPaths is currently non-functional
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*/
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#ifndef vtkExpandSelectedGraph_h
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#define vtkExpandSelectedGraph_h
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#include "vtkInfovisCoreModule.h" // For export macro
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#include "vtkSelectionAlgorithm.h"
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class vtkGraph;
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class vtkIdTypeArray;
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class VTKINFOVISCORE_EXPORT vtkExpandSelectedGraph : public vtkSelectionAlgorithm
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{
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public:
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static vtkExpandSelectedGraph* New();
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vtkTypeMacro(vtkExpandSelectedGraph, vtkSelectionAlgorithm);
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void PrintSelf(ostream& os, vtkIndent indent) override;
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/**
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* A convenience method for setting the second input (i.e. the graph).
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*/
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void SetGraphConnection(vtkAlgorithmOutput* in);
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/**
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* Specify the first vtkSelection input and the second vtkGraph input.
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*/
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int FillInputPortInformation(int port, vtkInformation* info) override;
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//@{
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/**
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* Set/Get BFSDistance which controls how many 'hops' the selection
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* is grown from each seed point in the selection set (defaults to 1)
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*/
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vtkSetMacro(BFSDistance, int);
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vtkGetMacro(BFSDistance, int);
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//@}
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//@{
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/**
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* Set/Get IncludeShortestPaths controls whether this filter tries to
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* 'connect' the vertices in the selection set by computing the
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* shortest path between the vertices (if such a path exists)
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* Note: IncludeShortestPaths is currently non-functional
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*/
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vtkSetMacro(IncludeShortestPaths, bool);
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vtkGetMacro(IncludeShortestPaths, bool);
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vtkBooleanMacro(IncludeShortestPaths, bool);
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//@}
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//@{
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/**
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* Set/Get the vertex domain to use in the expansion.
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*/
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vtkSetStringMacro(Domain);
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vtkGetStringMacro(Domain);
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//@}
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//@{
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/**
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* Whether or not to use the domain when deciding to add a vertex to the
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* expansion. Defaults to false.
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*/
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vtkSetMacro(UseDomain, bool);
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vtkGetMacro(UseDomain, bool);
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vtkBooleanMacro(UseDomain, bool);
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//@}
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protected:
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vtkExpandSelectedGraph();
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~vtkExpandSelectedGraph() override;
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int RequestData(vtkInformation*, vtkInformationVector**, vtkInformationVector*) override;
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void Expand(vtkIdTypeArray*, vtkGraph*);
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int BFSDistance;
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bool IncludeShortestPaths;
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char* Domain;
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bool UseDomain;
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private:
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vtkExpandSelectedGraph(const vtkExpandSelectedGraph&) = delete;
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void operator=(const vtkExpandSelectedGraph&) = delete;
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void BFSExpandSelection(vtkIdTypeArray* selection, vtkGraph* graph);
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};
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#endif
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