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/*=========================================================================
Program: Visualization Toolkit
Module: $RCSfile: vtkXMLUnstructuredDataWriter.h,v $
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 vtkXMLUnstructuredDataWriter - Superclass for VTK XML unstructured data writers.
// .SECTION Description
// vtkXMLUnstructuredDataWriter provides VTK XML writing functionality
// that is common among all the unstructured data formats.
#ifndef __vtkXMLUnstructuredDataWriter_h
#define __vtkXMLUnstructuredDataWriter_h
#include "vtkXMLWriter.h"
class vtkPointSet;
class vtkCellArray;
class vtkDataArray;
class vtkIdTypeArray;
class VTK_IO_EXPORT vtkXMLUnstructuredDataWriter : public vtkXMLWriter
{
public:
vtkTypeRevisionMacro(vtkXMLUnstructuredDataWriter,vtkXMLWriter);
void PrintSelf(ostream& os, vtkIndent indent);
// Description:
// Get/Set the number of pieces used to stream the image through the
// pipeline while writing to the file.
vtkSetMacro(NumberOfPieces, int);
vtkGetMacro(NumberOfPieces, int);
// Description:
// Get/Set the piece to write to the file. If this is
// negative or equal to the NumberOfPieces, all pieces will be written.
vtkSetMacro(WritePiece, int);
vtkGetMacro(WritePiece, int);
// Description:
// Get/Set the ghost level used to pad each piece.
vtkSetMacro(GhostLevel, int);
vtkGetMacro(GhostLevel, int);
// See the vtkAlgorithm for a desciption of what these do
int ProcessRequest(vtkInformation*,
vtkInformationVector**,
vtkInformationVector*);
protected:
vtkXMLUnstructuredDataWriter();
~vtkXMLUnstructuredDataWriter();
vtkPointSet* GetInputAsPointSet();
virtual const char* GetDataSetName()=0;
virtual void SetInputUpdateExtent(int piece, int numPieces,
int ghostLevel);
virtual int WriteHeader();
virtual int WriteAPiece();
virtual int WriteFooter();
virtual void AllocatePositionArrays();
virtual void DeletePositionArrays();
virtual int WriteInlineMode(vtkIndent indent);
virtual void WriteInlinePieceAttributes();
virtual void WriteInlinePiece(vtkIndent indent);
virtual void WriteAppendedPieceAttributes(int index);
virtual void WriteAppendedPiece(int index, vtkIndent indent);
virtual void WriteAppendedPieceData(int index);
void WriteCellsInline(const char* name, vtkCellArray* cells,
vtkDataArray* types, vtkIndent indent);
void WriteCellsAppended(const char* name, vtkDataArray* types,
vtkIndent indent, OffsetsManagerGroup *cellsManager);
void WriteCellsAppendedData(vtkCellArray* cells, vtkDataArray* types,
int timestep, OffsetsManagerGroup *cellsManager);
void ConvertCells(vtkCellArray* cells);
// Get the number of points/cells. Valid after Update has been
// invoked on the input.
virtual vtkIdType GetNumberOfInputPoints();
virtual vtkIdType GetNumberOfInputCells()=0;
void CalculateDataFractions(float* fractions);
void CalculateCellFractions(float* fractions, vtkIdType typesSize);
// Number of pieces used for streaming.
int NumberOfPieces;
// Which piece to write, if not all.
int WritePiece;
// The ghost level on each piece.
int GhostLevel;
// Positions of attributes for each piece.
unsigned long* NumberOfPointsPositions;
// For TimeStep support
OffsetsManagerGroup *PointsOM;
OffsetsManagerArray *PointDataOM;
OffsetsManagerArray *CellDataOM;
// Hold the new cell representation arrays while writing a piece.
vtkIdTypeArray* CellPoints;
vtkIdTypeArray* CellOffsets;
int CurrentPiece;
private:
vtkXMLUnstructuredDataWriter(const vtkXMLUnstructuredDataWriter&); // Not implemented.
void operator=(const vtkXMLUnstructuredDataWriter&); // Not implemented.
};
#endif
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