00001 /*========================================================================= 00002 00003 Program: Visualization Toolkit 00004 Module: vtkGeoSource.h 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 -------------------------------------------------------------------------*/ 00043 #ifndef __vtkGeoSource_h 00044 #define __vtkGeoSource_h 00045 00046 #include "vtkObject.h" 00047 00048 class vtkAbstractTransform; 00049 class vtkCollection; 00050 class vtkConditionVariable; 00051 class vtkGeoTreeNode; 00052 class vtkMultiThreader; 00053 class vtkMutexLock; 00054 00055 class VTK_GEOVIS_EXPORT vtkGeoSource : public vtkObject 00056 { 00057 public: 00058 vtkTypeMacro(vtkGeoSource,vtkObject); 00059 00060 vtkGeoSource(); 00061 ~vtkGeoSource(); 00062 00064 00065 virtual bool FetchRoot(vtkGeoTreeNode* root) = 0; 00066 virtual bool FetchChild(vtkGeoTreeNode* node, int index, vtkGeoTreeNode* child) = 0; 00068 00070 00077 virtual void RequestChildren(vtkGeoTreeNode* node); 00078 virtual vtkCollection* GetRequestedNodes(vtkGeoTreeNode* node); 00080 00082 void Initialize(int numThreads = 1); 00083 00085 void ShutDown(); 00086 00087 void WorkerThread(); 00088 00090 virtual vtkAbstractTransform* GetTransform() { return NULL; } 00091 00092 protected: 00093 00094 vtkCollection* InputSet; 00095 vtkCollection* ProcessingSet; 00096 00098 00099 vtkMutexLock* InputSetLock; 00100 vtkMutexLock* ProcessingSetLock; 00101 vtkMutexLock* OutputSetLock; 00103 00104 vtkMutexLock* Lock; 00105 00106 vtkConditionVariable* Condition; 00107 00108 vtkMultiThreader* Threader; 00109 bool StopThread; 00110 bool Initialized; 00111 00112 //BTX 00113 class implementation; 00114 implementation* Implementation; 00115 //ETX 00116 00117 private: 00118 vtkGeoSource(const vtkGeoSource&); // Not implemented 00119 void operator=(const vtkGeoSource&); // Not implemented 00120 }; 00121 00122 #endif // __vtkGeoSource_h
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