libvtk6-dev 6.3.0+dfsg1-5 / usr / include / vtk-6.3 / vtkPTemporalStreamTracer.h

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/*=========================================================================

  Program:   Visualization Toolkit
  Module:    vtkTemporalStreamTracer.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.

=========================================================================*/
// .NAME vtkTemporalStreamTracer - A Parallel Particle tracer for unsteady vector fields
// .SECTION Description
// vtkTemporalStreamTracer is a filter that integrates a vector field to generate
//
//
// .SECTION See Also
// vtkRibbonFilter vtkRuledSurfaceFilter vtkInitialValueProblemSolver
// vtkRungeKutta2 vtkRungeKutta4 vtkRungeKutta45 vtkStreamTracer

#ifndef vtkPTemporalStreamTracer_h
#define vtkPTemporalStreamTracer_h

#include "vtkFiltersParallelFlowPathsModule.h" // For export macro
#include "vtkSmartPointer.h" // For protected ivars.
#include "vtkTemporalStreamTracer.h"

//BTX
#include <vector> // STL Header
#include <list>   // STL Header
//ETX

class vtkMultiProcessController;

class vtkMultiBlockDataSet;
class vtkDataArray;
class vtkDoubleArray;
class vtkGenericCell;
class vtkIntArray;
class vtkTemporalInterpolatedVelocityField;
class vtkPoints;
class vtkCellArray;
class vtkDoubleArray;
class vtkFloatArray;
class vtkIntArray;
class vtkCharArray;
class vtkAbstractParticleWriter;

class VTKFILTERSPARALLELFLOWPATHS_EXPORT vtkPTemporalStreamTracer : public vtkTemporalStreamTracer
{
public:

    vtkTypeMacro(vtkPTemporalStreamTracer,vtkTemporalStreamTracer);
    void PrintSelf(ostream& os, vtkIndent indent);

    // Description:
    // Construct object using 2nd order Runge Kutta
    static vtkPTemporalStreamTracer *New();

    // Description:
    // Set/Get the controller used when sending particles between processes
    // The controller must be an instance of vtkMPIController.
    virtual void SetController(vtkMultiProcessController* controller);
    vtkGetObjectMacro(Controller, vtkMultiProcessController);

  protected:

     vtkPTemporalStreamTracer();
    ~vtkPTemporalStreamTracer();

    //
    // Generate output
    //
    virtual int RequestData(vtkInformation* request,
                            vtkInformationVector** inputVector,
                            vtkInformationVector* outputVector);

//
//BTX
//

    // Description : Before starting the particle trace, classify
    // all the injection/seed points according to which processor
    // they belong to. This saves us retesting at every injection time
    // providing 1) The volumes are static, 2) the seed points are static
    // If either are non static, then this step is skipped.
    virtual void AssignSeedsToProcessors(
      vtkDataSet *source, int sourceID, int ptId,
      vtkTemporalStreamTracerNamespace::ParticleVector &LocalSeedPoints,
      int &LocalAssignedCount);

    // Description : once seeds have been assigned to a process, we
    // give each one a uniqu ID. We need to use MPI to find out
    // who is using which numbers.
    virtual void AssignUniqueIds(
      vtkTemporalStreamTracerNamespace::ParticleVector &LocalSeedPoints);

    // Description : Perform a GatherV operation on a vector of particles
    // this is used during classification of seed points and also between iterations
    // of the main loop as particles leave each processor domain
    virtual void TransmitReceiveParticles(
      vtkTemporalStreamTracerNamespace::ParticleVector &outofdomain,
      vtkTemporalStreamTracerNamespace::ParticleVector &received,
      bool removeself);

    void AddParticleToMPISendList(
      vtkTemporalStreamTracerNamespace::ParticleInformation &info);

//
//ETX
//

  // MPI controller needed when running in parallel
  vtkMultiProcessController* Controller;

private:
  vtkPTemporalStreamTracer(const vtkPTemporalStreamTracer&);  // Not implemented.
  void operator=(const vtkPTemporalStreamTracer&);  // Not implemented.
};

#endif

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