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/*=========================================================================
Program: Visualization Toolkit
Module: vtkPStreamTracer.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 vtkPStreamTracer - parallel streamline generators
// .SECTION Description
// This class implements parallel streamline generators.
// Note that all processes must have
// access to the WHOLE seed source, i.e. the source must be identical
// on all processes.
// .SECTION See Also
// vtkStreamTracer
#ifndef vtkPStreamTracer_h
#define vtkPStreamTracer_h
#include "vtkStreamTracer.h"
#include "vtkSmartPointer.h" // This is a leaf node. No need to use PIMPL to avoid compile time penalty.
class vtkAbstractInterpolatedVelocityField;
class vtkMultiProcessController;
class PStreamTracerPoint;
class vtkOverlappingAMR;
class AbstractPStreamTracerUtils;
#include "vtkFiltersParallelFlowPathsModule.h" // For export macro
class VTKFILTERSPARALLELFLOWPATHS_EXPORT vtkPStreamTracer : public vtkStreamTracer
{
public:
vtkTypeMacro(vtkPStreamTracer,vtkStreamTracer);
virtual void PrintSelf(ostream& os, vtkIndent indent);
// Description:
// Set/Get the controller use in compositing (set to
// the global controller by default)
// If not using the default, this must be called before any
// other methods.
virtual void SetController(vtkMultiProcessController* controller);
vtkGetObjectMacro(Controller, vtkMultiProcessController);
static vtkPStreamTracer * New();
protected:
vtkPStreamTracer();
~vtkPStreamTracer();
virtual int RequestData(vtkInformation *, vtkInformationVector **, vtkInformationVector *);
virtual int RequestUpdateExtent(vtkInformation *, vtkInformationVector **, vtkInformationVector *);
vtkMultiProcessController* Controller;
vtkAbstractInterpolatedVelocityField* Interpolator;
void SetInterpolator(vtkAbstractInterpolatedVelocityField*);
int EmptyData;
private:
vtkPStreamTracer(const vtkPStreamTracer&); // Not implemented.
void operator=(const vtkPStreamTracer&); // Not implemented.
void Trace( vtkDataSet *input,
int vecType,
const char* vecName,
PStreamTracerPoint* pt,
vtkSmartPointer<vtkPolyData>& output,
vtkAbstractInterpolatedVelocityField* func,
int maxCellSize);
bool TraceOneStep(vtkPolyData* traceOut, vtkAbstractInterpolatedVelocityField*, PStreamTracerPoint* pt);
void Prepend(vtkPolyData* path, vtkPolyData* headh);
int Rank;
int NumProcs;
friend class AbstractPStreamTracerUtils;
vtkSmartPointer<AbstractPStreamTracerUtils> Utils;
};
#endif
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