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/*=========================================================================
Program: Visualization Toolkit
Module: vtkTableExtentTranslator.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.
=========================================================================*/
/**
* @class vtkTableExtentTranslator
* @brief Extent translation through lookup table.
*
* vtkTableExtentTranslator provides a vtkExtentTranslator that is
* programmed with a specific extent corresponding to each piece
* number. Readers can provide this to an application to allow the
* pipeline to execute using the same piece breakdown that is provided
* in the input file.
*/
#ifndef vtkTableExtentTranslator_h
#define vtkTableExtentTranslator_h
#include "vtkExtentTranslator.h"
#include "vtkPVClientServerCoreRenderingModule.h" // For export macro
class VTKPVCLIENTSERVERCORERENDERING_EXPORT vtkTableExtentTranslator : public vtkExtentTranslator
{
public:
vtkTypeMacro(vtkTableExtentTranslator, vtkExtentTranslator);
void PrintSelf(ostream& os, vtkIndent indent) VTK_OVERRIDE;
static vtkTableExtentTranslator* New();
// Set the number of pieces into which the whole extent will be
// split. If this is 1 then the whole extent will be returned. If
// this is more than the number of pieces in the table then the
// extra pieces will be empty data. If this is more than one but
// less than the number of pieces in the table then only this many
// pieces will be returned (FIXME).
void SetNumberOfPieces(int pieces) VTK_OVERRIDE;
//@{
/**
* Set the real number of pieces in the extent table.
*/
void SetNumberOfPiecesInTable(int pieces);
vtkGetMacro(NumberOfPiecesInTable, int);
//@}
/**
* Called to translate the current piece into an extent. This is
* not thread safe.
*/
int PieceToExtent() VTK_OVERRIDE;
/**
* Not supported by this subclass of vtkExtentTranslator.
*/
int PieceToExtentByPoints() VTK_OVERRIDE;
/**
* Not supported by this subclass of vtkExtentTranslator.
*/
int PieceToExtentThreadSafe(int piece, int numPieces, int ghostLevel, int* wholeExtent,
int* resultExtent, int splitMode, int byPoints) VTK_OVERRIDE;
/**
* Set the extent to be used for a piece. This sets the extent table
* entry for the piece.
*/
virtual void SetExtentForPiece(int piece, int* extent);
//@{
/**
* Get the extent table entry for the given piece. This is only for
* code that is setting up the table. Extent translation should
* always be done through the PieceToExtent method.
*/
virtual void GetExtentForPiece(int piece, int* extent);
virtual int* GetExtentForPiece(int piece);
//@}
//@{
/**
* Set the maximum ghost level that can be requested. This can be
* used by a reader to make sure an extent request does not go
* outside the boundaries of the piece's file.
*/
vtkSetMacro(MaximumGhostLevel, int);
vtkGetMacro(MaximumGhostLevel, int);
//@}
//@{
/**
* Get/Set whether the given piece is available. Requesting a piece
* that is not available will produce errors in the pipeline.
*/
virtual void SetPieceAvailable(int piece, int available);
virtual int GetPieceAvailable(int piece);
//@}
protected:
vtkTableExtentTranslator();
~vtkTableExtentTranslator();
// Store the extent table in a single array. Every 6 values form an extent.
int* ExtentTable;
int NumberOfPiecesInTable;
int MaximumGhostLevel;
// Store a flag for the availability of each piece.
int* PieceAvailable;
private:
vtkTableExtentTranslator(const vtkTableExtentTranslator&) VTK_DELETE_FUNCTION;
void operator=(const vtkTableExtentTranslator&) VTK_DELETE_FUNCTION;
};
#endif
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