00001 /*========================================================================= 00002 00003 Program: Visualization Toolkit 00004 Module: $RCSfile: vtkGeoSource.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 -------------------------------------------------------------------------*/ 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 vtkTypeRevisionMacro(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 00071 virtual void RequestChildren(vtkGeoTreeNode* node); 00072 virtual vtkCollection* GetRequestedNodes(vtkGeoTreeNode* node); 00074 00076 void Initialize(int numThreads = 1); 00077 00079 void ShutDown(); 00080 00081 void WorkerThread(); 00082 00084 virtual vtkAbstractTransform* GetTransform() { return NULL; } 00085 00086 protected: 00087 00088 vtkCollection* InputSet; 00089 vtkCollection* ProcessingSet; 00090 00092 00093 vtkMutexLock* InputSetLock; 00094 vtkMutexLock* ProcessingSetLock; 00095 vtkMutexLock* OutputSetLock; 00097 00098 vtkMutexLock* Lock; 00099 00100 vtkConditionVariable* Condition; 00101 00102 vtkMultiThreader* Threader; 00103 bool StopThread; 00104 bool Initialized; 00105 00106 //BTX 00107 class implementation; 00108 implementation* Implementation; 00109 //ETX 00110 00111 private: 00112 vtkGeoSource(const vtkGeoSource&); // Not implemented 00113 void operator=(const vtkGeoSource&); // Not implemented 00114 }; 00115 00116 #endif // __vtkGeoSource_h
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