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 "vtkParticleTracerBase.h"
#include "vtkSmartPointer.h" // For protected ivars.
 
#include <vector> // STL Header
 
#include "vtkFiltersParallelFlowPathsModule.h" // For export macro
 
class VTKFILTERSPARALLELFLOWPATHS_EXPORT vtkPParticleTracerBase : public vtkParticleTracerBase
{
public:
  vtkTypeMacro(vtkPParticleTracerBase, vtkParticleTracerBase);
  void PrintSelf(ostream& os, vtkIndent indent) override;
 
 
  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) override;
 
  //
 
  vtkPolyData* Execute(vtkInformationVector** inputVector) override;
  bool SendParticleToAnotherProcess(vtkParticleTracerBaseNamespace::ParticleInformation& info,
    vtkParticleTracerBaseNamespace::ParticleInformation& previous, vtkPointData*) override;
 
  void AssignSeedsToProcessors(double time, vtkDataSet* source, int sourceID, int ptId,
    vtkParticleTracerBaseNamespace::ParticleVector& localSeedPoints,
    int& localAssignedCount) override;
 
  void AssignUniqueIds(vtkParticleTracerBaseNamespace::ParticleVector& localSeedPoints) override;
 
  bool SendReceiveParticles(RemoteParticleVector& outofdomain, RemoteParticleVector& received);
 
  bool UpdateParticleListFromOtherProcesses() override;
 
  bool IsPointDataValid(vtkDataObject* input) override;
 
  //
 
  //
 
  // 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&) = delete;
  void operator=(const vtkPParticleTracerBase&) = delete;
};
#endif