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dox/Parallel/vtkPStreamTracer.h

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00001 /*========================================================================= 00002 00003 Program: Visualization Toolkit 00004 Module: $RCSfile: vtkPStreamTracer.h,v $ 00005 Language: C++ 00006 00007 Copyright (c) 1993-2002 Ken Martin, Will Schroeder, Bill Lorensen 00008 All rights reserved. 00009 See Copyright.txt or http://www.kitware.com/Copyright.htm for details. 00010 00011 This software is distributed WITHOUT ANY WARRANTY; without even 00012 the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR 00013 PURPOSE. See the above copyright notice for more information. 00014 00015 =========================================================================*/ 00029 #ifndef __vtkPStreamTracer_h 00030 #define __vtkPStreamTracer_h 00031 00032 #include "vtkStreamTracer.h" 00033 00034 class vtkInterpolatedVelocityField; 00035 class vtkMultiProcessController; 00036 00037 class VTK_PARALLEL_EXPORT vtkPStreamTracer : public vtkStreamTracer 00038 { 00039 public: 00040 vtkTypeRevisionMacro(vtkPStreamTracer,vtkStreamTracer); 00041 void PrintSelf(ostream& os, vtkIndent indent); 00042 00043 static vtkPStreamTracer *New(); 00044 00046 00049 void SetController(vtkMultiProcessController* controller); 00050 vtkGetObjectMacro(Controller, vtkMultiProcessController); 00052 00054 00057 vtkGetStringMacro(InputVectorsSelection); 00058 void SelectInputVectors(const char *fieldName) 00059 {this->SetInputVectorsSelection(fieldName);} 00061 00062 protected: 00063 00064 vtkPStreamTracer(); 00065 ~vtkPStreamTracer(); 00066 00067 void Execute(); 00068 void ExecuteInformation(); 00069 void ComputeInputUpdateExtents( vtkDataObject *output ); 00070 00071 vtkMultiProcessController* Controller; 00072 00073 vtkInterpolatedVelocityField* Interpolator; 00074 void SetInterpolator(vtkInterpolatedVelocityField*); 00075 00076 void ForwardTask(float seed[3], 00077 int direction, int isNewSeed, int lastid, int currentLine); 00078 int ProcessTask(float seed[3], 00079 int direction, int isNewSeed, int lastid, int currentLine); 00080 int ReceiveAndProcessTask(); 00081 00082 vtkDataArray* Seeds; 00083 vtkIdList* SeedIds; 00084 vtkIntArray* IntegrationDirections; 00085 00086 private: 00087 vtkPStreamTracer(const vtkPStreamTracer&); // Not implemented. 00088 void operator=(const vtkPStreamTracer&); // Not implemented. 00089 }; 00090 00091 00092 #endif 00093 00094