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/*=========================================================================
Program: Visualization Toolkit
Module: vtkXMLPolyDataReader.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 vtkXMLPolyDataReader
* @brief Read VTK XML PolyData files.
*
* vtkXMLPolyDataReader reads the VTK XML PolyData file format. One
* polygonal data file can be read to produce one output. Streaming
* is supported. The standard extension for this reader's file format
* is "vtp". This reader is also used to read a single piece of the
* parallel file format.
*
* @sa
* vtkXMLPPolyDataReader
*/
#ifndef vtkXMLPolyDataReader_h
#define vtkXMLPolyDataReader_h
#include "vtkIOXMLModule.h" // For export macro
#include "vtkXMLUnstructuredDataReader.h"
class vtkPolyData;
class VTKIOXML_EXPORT vtkXMLPolyDataReader : public vtkXMLUnstructuredDataReader
{
public:
vtkTypeMacro(vtkXMLPolyDataReader,vtkXMLUnstructuredDataReader);
void PrintSelf(ostream& os, vtkIndent indent);
static vtkXMLPolyDataReader *New();
//@{
/**
* Get the reader's output.
*/
vtkPolyData *GetOutput();
vtkPolyData *GetOutput(int idx);
//@}
//@{
/**
* Get the number of verts/lines/strips/polys in the output.
*/
virtual vtkIdType GetNumberOfVerts();
virtual vtkIdType GetNumberOfLines();
virtual vtkIdType GetNumberOfStrips();
virtual vtkIdType GetNumberOfPolys();
//@}
protected:
vtkXMLPolyDataReader();
~vtkXMLPolyDataReader();
const char* GetDataSetName();
void GetOutputUpdateExtent(int& piece, int& numberOfPieces, int& ghostLevel);
void SetupOutputTotals();
void SetupNextPiece();
void SetupPieces(int numPieces);
void DestroyPieces();
void SetupOutputData();
int ReadPiece(vtkXMLDataElement* ePiece);
int ReadPieceData();
// Read a data array whose tuples coorrespond to cells.
virtual int ReadArrayForCells(vtkXMLDataElement* da,
vtkAbstractArray* outArray);
// Get the number of cells in the given piece. Valid after
// UpdateInformation.
virtual vtkIdType GetNumberOfCellsInPiece(int piece);
virtual int FillOutputPortInformation(int, vtkInformation*);
// The size of the UpdatePiece.
int TotalNumberOfVerts;
int TotalNumberOfLines;
int TotalNumberOfStrips;
int TotalNumberOfPolys;
vtkIdType StartVert;
vtkIdType StartLine;
vtkIdType StartStrip;
vtkIdType StartPoly;
// The cell elements for each piece.
vtkXMLDataElement** VertElements;
vtkXMLDataElement** LineElements;
vtkXMLDataElement** StripElements;
vtkXMLDataElement** PolyElements;
vtkIdType* NumberOfVerts;
vtkIdType* NumberOfLines;
vtkIdType* NumberOfStrips;
vtkIdType* NumberOfPolys;
// For TimeStep support
int VertsTimeStep;
unsigned long VertsOffset;
int LinesTimeStep;
unsigned long LinesOffset;
int StripsTimeStep;
unsigned long StripsOffset;
int PolysTimeStep;
unsigned long PolysOffset;
private:
vtkXMLPolyDataReader(const vtkXMLPolyDataReader&) VTK_DELETE_FUNCTION;
void operator=(const vtkXMLPolyDataReader&) VTK_DELETE_FUNCTION;
};
#endif
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