vtkPParticleTracerBase.h

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/*=========================================================================
 
  Program:   Visualization Toolkit
  Module:    vtkParticleTracerBase.h
 
  Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
  All rights reserved.
  See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
 
  This software is distributed WITHOUT ANY WARRANTY; without even
  the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
  PURPOSE.  See the above copyright notice for more information.
 
  =========================================================================*/
#ifndef vtkPParticleTracerBase_h
#define vtkPParticleTracerBase_h
 
#include "vtkSmartPointer.h" // For protected ivars.
#include "vtkParticleTracerBase.h"
 
//BTX
#include <vector> // STL Header
//ETX
 
#include "vtkFiltersParallelFlowPathsModule.h" // For export macro
 
class VTKFILTERSPARALLELFLOWPATHS_EXPORT vtkPParticleTracerBase : public vtkParticleTracerBase
{
public:
  vtkTypeMacro(vtkPParticleTracerBase,vtkParticleTracerBase);
  void PrintSelf(ostream& os, vtkIndent indent);
 
 
  virtual void SetController(vtkMultiProcessController* controller);
  vtkGetObjectMacro(Controller, vtkMultiProcessController);
 
protected:
  struct  RemoteParticleInfo
  {
    vtkParticleTracerBaseNamespace::ParticleInformation Current;
    vtkParticleTracerBaseNamespace::ParticleInformation Previous;
    vtkSmartPointer<vtkPointData> PreviousPD;
  };
 
  typedef std::vector<RemoteParticleInfo>  RemoteParticleVector;
 
  vtkPParticleTracerBase();
  ~vtkPParticleTracerBase();
 
  virtual int RequestUpdateExtent(vtkInformation* request,
                                  vtkInformationVector** inputVector,
                                  vtkInformationVector* outputVector);
 
//
//BTX
 
  virtual vtkPolyData* Execute(vtkInformationVector** inputVector);
  virtual bool SendParticleToAnotherProcess(vtkParticleTracerBaseNamespace::ParticleInformation & info,
                                            vtkParticleTracerBaseNamespace::ParticleInformation & previous,
                                            vtkPointData*);
 
 
  virtual void AssignSeedsToProcessors(double time,
                                       vtkDataSet *source, int sourceID, int ptId,
                                       vtkParticleTracerBaseNamespace::ParticleVector &localSeedPoints,
                                       int &localAssignedCount);
 
 
  virtual void AssignUniqueIds(
    vtkParticleTracerBaseNamespace::ParticleVector &localSeedPoints);
 
  virtual bool SendReceiveParticles(RemoteParticleVector &outofdomain, RemoteParticleVector &received);
 
  virtual bool UpdateParticleListFromOtherProcesses();
 
  virtual bool IsPointDataValid(vtkDataObject* input);
 
 
//
//ETX
//
 
  // MPI controller needed when running in parallel
  vtkMultiProcessController* Controller;
 
  // List used for transmitting between processors during parallel operation
  RemoteParticleVector MPISendList;
 
  RemoteParticleVector Tail; //this is to receive the "tails" of traces from other processes
 private:
  vtkPParticleTracerBase(const vtkPParticleTracerBase&);  // Not implemented.
  void operator=(const vtkPParticleTracerBase&);  // Not implemented.
 
};
 
#endif