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/*=========================================================================
Program: ParaView
Module: $RCSfile: vtkPExtentTranslator.h,v $
Copyright (c) Kitware, Inc.
All rights reserved.
See Copyright.txt or http://www.paraview.org/HTML/Copyright.html 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.
=========================================================================*/
/**
* @class vtkPExtentTranslator
* @brief extent translator that collects information
* about extents from multiple processes in parallel.
*
* vtkPExtentTranslator is used by vtkImageVolumeRepresentation to collect
* information about image extents on all the ranks. This is resurrected version
* of vtkPVTrivialExtentTranslator.
*/
#ifndef vtkPExtentTranslator_h
#define vtkPExtentTranslator_h
#include "vtkExtentTranslator.h"
#include "vtkPVClientServerCoreRenderingModule.h" // needed for export macro
class vtkDataSet;
class vtkPExtentTranslatorInternals;
class VTKPVCLIENTSERVERCORERENDERING_EXPORT vtkPExtentTranslator : public vtkExtentTranslator
{
public:
static vtkPExtentTranslator* New();
vtkTypeMacro(vtkPExtentTranslator, vtkExtentTranslator);
void PrintSelf(ostream& os, vtkIndent indent) VTK_OVERRIDE;
/**
* If DataSet is topologically regular, each process will only know
* about its own subextent. This function does an allreduce to make sure
* that each process knows the subextent of every process.
*/
void GatherExtents(vtkDataSet* dataset);
protected:
vtkPExtentTranslator();
~vtkPExtentTranslator();
virtual int PieceToExtentThreadSafe(int vtkNotUsed(piece), int vtkNotUsed(numPieces),
int vtkNotUsed(ghostLevel), int* wholeExtent, int* resultExtent, int vtkNotUsed(splitMode),
int vtkNotUsed(byPoints)) VTK_OVERRIDE;
private:
vtkPExtentTranslator(const vtkPExtentTranslator&) VTK_DELETE_FUNCTION;
void operator=(const vtkPExtentTranslator&) VTK_DELETE_FUNCTION;
vtkPExtentTranslatorInternals* Internals;
};
#endif
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