00001 /*========================================================================= 00002 00003 Program: Visualization Toolkit 00004 Module: $RCSfile: vtkPStreamTracer.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 =========================================================================*/ 00026 #ifndef __vtkPStreamTracer_h 00027 #define __vtkPStreamTracer_h 00028 00029 #include "vtkStreamTracer.h" 00030 00031 #include "vtkSmartPointer.h" // This is a leaf node. No need to 00032 #include <vtkstd/vector> // use PIMPL to avoid compile time penalty. 00033 00034 class vtkInterpolatedVelocityField; 00035 class vtkMultiProcessController; 00036 00037 class VTK_PARALLEL_EXPORT vtkPStreamTracer : public vtkStreamTracer 00038 { 00039 public: 00040 vtkTypeRevisionMacro(vtkPStreamTracer,vtkStreamTracer); 00041 virtual void PrintSelf(ostream& os, vtkIndent indent); 00042 00044 00047 virtual void SetController(vtkMultiProcessController* controller); 00048 vtkGetObjectMacro(Controller, vtkMultiProcessController); 00050 00052 00055 vtkGetStringMacro(InputVectorsSelection); 00056 void SelectInputVectors(const char *fieldName) 00057 {this->SetInputVectorsSelection(fieldName);} 00059 00060 protected: 00061 00062 vtkPStreamTracer(); 00063 ~vtkPStreamTracer(); 00064 00065 virtual void Execute(); 00066 virtual void ExecuteInformation(); 00067 virtual void ComputeInputUpdateExtents( vtkDataObject *output ); 00068 00069 vtkMultiProcessController* Controller; 00070 00071 vtkInterpolatedVelocityField* Interpolator; 00072 void SetInterpolator(vtkInterpolatedVelocityField*); 00073 00074 // See the implementation for comments 00075 void SendCellPoint(vtkPolyData* data, 00076 vtkIdType streamId, 00077 vtkIdType idx, 00078 int sendToId); 00079 void ReceiveCellPoint(vtkPolyData* tomod, int streamId, vtkIdType idx); 00080 void SendFirstPoints(); 00081 void ReceiveLastPoints(); 00082 void MoveToNextSend(); 00083 00084 virtual void ParallelIntegrate() = 0; 00085 00086 vtkDataArray* Seeds; 00087 vtkIdList* SeedIds; 00088 vtkIntArray* IntegrationDirections; 00089 00090 //BTX 00091 typedef vtkstd::vector< vtkSmartPointer<vtkPolyData> > TmpOutputsType; 00092 //ETX 00093 00094 TmpOutputsType TmpOutputs; 00095 00096 private: 00097 vtkPStreamTracer(const vtkPStreamTracer&); // Not implemented. 00098 void operator=(const vtkPStreamTracer&); // Not implemented. 00099 }; 00100 00101 00102 #endif 00103 00104