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103 lines
2.9 KiB
C++
103 lines
2.9 KiB
C++
/*=========================================================================
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Program: Visualization Toolkit
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Module: vtkStreamGraph.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 vtkStreamGraph
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* @brief combines two graphs
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*
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*
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* vtkStreamGraph iteratively collects information from the input graph
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* and combines it in the output graph. It internally maintains a graph
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* instance that is incrementally updated every time the filter is called.
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*
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* Each update, vtkMergeGraphs is used to combine this filter's input with the
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* internal graph.
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*
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* If you can use an edge window array to filter out old edges based on a
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* moving threshold.
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*/
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#ifndef vtkStreamGraph_h
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#define vtkStreamGraph_h
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#include "vtkGraphAlgorithm.h"
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#include "vtkInfovisCoreModule.h" // For export macro
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class vtkBitArray;
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class vtkMergeGraphs;
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class vtkMutableDirectedGraph;
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class vtkMutableGraphHelper;
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class vtkStringArray;
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class vtkTable;
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class VTKINFOVISCORE_EXPORT vtkStreamGraph : public vtkGraphAlgorithm
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{
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public:
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static vtkStreamGraph* New();
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vtkTypeMacro(vtkStreamGraph, vtkGraphAlgorithm);
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void PrintSelf(ostream& os, vtkIndent indent) override;
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//@{
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/**
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* Whether to use an edge window array. The default is to
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* not use a window array.
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*/
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vtkSetMacro(UseEdgeWindow, bool);
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vtkGetMacro(UseEdgeWindow, bool);
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vtkBooleanMacro(UseEdgeWindow, bool);
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//@}
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//@{
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/**
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* The edge window array. The default array name is "time".
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*/
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vtkSetStringMacro(EdgeWindowArrayName);
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vtkGetStringMacro(EdgeWindowArrayName);
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//@}
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//@{
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/**
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* The time window amount. Edges with values lower
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* than the maximum value minus this window will be
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* removed from the graph. The default edge window is
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* 10000.
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*/
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vtkSetMacro(EdgeWindow, double);
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vtkGetMacro(EdgeWindow, double);
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//@}
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protected:
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vtkStreamGraph();
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~vtkStreamGraph() override;
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int RequestData(vtkInformation*, vtkInformationVector**, vtkInformationVector*) override;
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vtkMutableGraphHelper* CurrentGraph;
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vtkMergeGraphs* MergeGraphs;
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bool UseEdgeWindow;
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double EdgeWindow;
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char* EdgeWindowArrayName;
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private:
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vtkStreamGraph(const vtkStreamGraph&) = delete;
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void operator=(const vtkStreamGraph&) = delete;
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};
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#endif
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