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108 lines
3.7 KiB
108 lines
3.7 KiB
/*=========================================================================
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Program: Visualization Toolkit
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Module: $RCSfile: vtkXMLPStructuredDataReader.h,v $
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Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
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All rights reserved.
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See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
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This software is distributed WITHOUT ANY WARRANTY; without even
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the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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PURPOSE. See the above copyright notice for more information.
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=========================================================================*/
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// .NAME vtkXMLPStructuredDataReader - Superclass for parallel structured data XML readers.
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// .SECTION Description
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// vtkXMLPStructuredDataReader provides functionality common to all
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// parallel structured data format readers.
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// .SECTION See Also
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// vtkXMLPImageDataReader vtkXMLPStructuredGridReader
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// vtkXMLPRectilinearGridReader
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#ifndef __vtkXMLPStructuredDataReader_h
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#define __vtkXMLPStructuredDataReader_h
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#include "vtkXMLPDataReader.h"
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class vtkExtentSplitter;
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class vtkExtentTranslator;
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class vtkTableExtentTranslator;
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class vtkXMLStructuredDataReader;
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class VTK_IO_EXPORT vtkXMLPStructuredDataReader : public vtkXMLPDataReader
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{
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public:
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vtkTypeRevisionMacro(vtkXMLPStructuredDataReader,vtkXMLPDataReader);
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void PrintSelf(ostream& os, vtkIndent indent);
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// Description:
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// Get an extent translator that will create pieces matching the
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// input file's piece breakdown. This can be used further down the
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// pipeline to prevent reading from outside this process's piece.
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// The translator is only valid after an UpdateInformation has been
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// called.
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virtual vtkExtentTranslator* GetExtentTranslator();
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// For the specified port, copy the information this reader sets up in
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// SetupOutputInformation to outInfo
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virtual void CopyOutputInformation(vtkInformation *outInfo, int port);
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protected:
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vtkXMLPStructuredDataReader();
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~vtkXMLPStructuredDataReader();
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vtkIdType GetNumberOfPoints();
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vtkIdType GetNumberOfCells();
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void CopyArrayForPoints(vtkDataArray* inArray, vtkDataArray* outArray);
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void CopyArrayForCells(vtkDataArray* inArray, vtkDataArray* outArray);
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virtual void SetOutputExtent(int* extent)=0;
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virtual void GetPieceInputExtent(int index, int* extent)=0;
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// Pipeline execute data driver. Called by vtkXMLReader.
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void ReadXMLData();
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int ReadPrimaryElement(vtkXMLDataElement* ePrimary);
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void SetupOutputData();
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void SetupEmptyOutput();
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void SetupPieces(int numPieces);
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void DestroyPieces();
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int ReadPiece(vtkXMLDataElement* ePiece);
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int ReadPieceData();
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void CopySubExtent(int* inExtent, int* inDimensions, vtkIdType* inIncrements,
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int* outExtent,int* outDimensions,vtkIdType* outIncrements,
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int* subExtent, int* subDimensions,
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vtkDataArray* inArray, vtkDataArray* outArray);
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int ComputePieceSubExtents();
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vtkTableExtentTranslator* ExtentTranslator;
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vtkExtentSplitter* ExtentSplitter;
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// The extent to be updated in the output.
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int UpdateExtent[6];
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int PointDimensions[3];
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vtkIdType PointIncrements[3];
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int CellDimensions[3];
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vtkIdType CellIncrements[3];
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// The extent currently being read from a piece.
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int SubExtent[6];
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int SubPointDimensions[3];
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int SubCellDimensions[3];
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int SubPieceExtent[6];
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int SubPiecePointDimensions[3];
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vtkIdType SubPiecePointIncrements[3];
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int SubPieceCellDimensions[3];
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vtkIdType SubPieceCellIncrements[3];
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// Information per-piece.
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int* PieceExtents;
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private:
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vtkXMLPStructuredDataReader(const vtkXMLPStructuredDataReader&); // Not implemented.
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void operator=(const vtkXMLPStructuredDataReader&); // Not implemented.
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};
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#endif
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