VTK
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00001 /*========================================================================= 00002 00003 Program: Visualization Toolkit 00004 Module: $RCSfile: vtkSimple2DLayoutStrategy.h,v $ 00005 00006 Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen 00007 All rights reserved. 00008 See Copyright.txt or http://www.kitware.com/Copyright.htm for details. 00009 00010 This software is distributed WITHOUT ANY WARRANTY; without even 00011 the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR 00012 PURPOSE. See the above copyright notice for more information. 00013 00014 =========================================================================*/ 00015 /*------------------------------------------------------------------------- 00016 Copyright 2008 Sandia Corporation. 00017 Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation, 00018 the U.S. Government retains certain rights in this software. 00019 -------------------------------------------------------------------------*/ 00040 #ifndef __vtkSimple2DLayoutStrategy_h 00041 #define __vtkSimple2DLayoutStrategy_h 00042 00043 #include "vtkGraphLayoutStrategy.h" 00044 00045 class vtkFloatArray; 00046 00047 class VTK_INFOVIS_EXPORT vtkSimple2DLayoutStrategy : public vtkGraphLayoutStrategy 00048 { 00049 public: 00050 static vtkSimple2DLayoutStrategy *New(); 00051 00052 vtkTypeRevisionMacro(vtkSimple2DLayoutStrategy, vtkGraphLayoutStrategy); 00053 void PrintSelf(ostream& os, vtkIndent indent); 00054 00056 00059 vtkSetClampMacro(RandomSeed, int, 0, VTK_LARGE_INTEGER); 00060 vtkGetMacro(RandomSeed, int); 00062 00064 00069 vtkSetClampMacro(MaxNumberOfIterations, int, 0, VTK_LARGE_INTEGER); 00070 vtkGetMacro(MaxNumberOfIterations, int); 00072 00074 00078 vtkSetClampMacro(IterationsPerLayout, int, 0, VTK_LARGE_INTEGER); 00079 vtkGetMacro(IterationsPerLayout, int); 00081 00083 00086 vtkSetClampMacro(InitialTemperature, float, 0.0, VTK_FLOAT_MAX); 00087 vtkGetMacro(InitialTemperature, float); 00089 00091 00095 vtkSetClampMacro(CoolDownRate, double, 0.01, VTK_DOUBLE_MAX); 00096 vtkGetMacro(CoolDownRate, double); 00098 00100 00103 vtkSetMacro(Jitter, bool); 00104 vtkGetMacro(Jitter, bool); 00106 00108 00110 vtkSetMacro(RestDistance, float); 00111 vtkGetMacro(RestDistance, float); 00113 00116 virtual void Initialize(); 00117 00122 virtual void Layout(); 00123 00126 virtual int IsLayoutComplete() {return this->LayoutComplete;} 00127 00128 protected: 00129 vtkSimple2DLayoutStrategy(); 00130 ~vtkSimple2DLayoutStrategy(); 00131 00132 int MaxNumberOfIterations; //Maximum number of iterations. 00133 float InitialTemperature; 00134 float CoolDownRate; //Cool-down rate. Note: Higher # = Slower rate. 00135 00136 private: 00137 00138 //BTX 00139 // An edge consists of two vertices joined together. 00140 // This struct acts as a "pointer" to those two vertices. 00141 typedef struct 00142 { 00143 vtkIdType from; 00144 vtkIdType to; 00145 float weight; 00146 } vtkLayoutEdge; 00147 00148 // These are for storage of repulsion and attraction 00149 vtkFloatArray *RepulsionArray; 00150 vtkFloatArray *AttractionArray; 00151 vtkLayoutEdge *EdgeArray; 00152 //ETX 00153 00154 int RandomSeed; 00155 int IterationsPerLayout; 00156 int TotalIterations; 00157 int LayoutComplete; 00158 float Temp; 00159 float RestDistance; 00160 bool Jitter; 00161 00162 vtkSimple2DLayoutStrategy(const vtkSimple2DLayoutStrategy&); // Not implemented. 00163 void operator=(const vtkSimple2DLayoutStrategy&); // Not implemented. 00164 }; 00165 00166 #endif 00167