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dox/IO/vtkXMLUnstructuredDataWriter.h

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00001 /*========================================================================= 00002 00003 Program: Visualization Toolkit 00004 Module: $RCSfile: vtkXMLUnstructuredDataWriter.h,v $ 00005 00006 Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen 00007 All rights reserved. 00008 See Copyright.txt or http://www.kitware.com/Copyright.htm for details. 00009 00010 This software is distributed WITHOUT ANY WARRANTY; without even 00011 the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR 00012 PURPOSE. See the above copyright notice for more information. 00013 00014 =========================================================================*/ 00022 #ifndef __vtkXMLUnstructuredDataWriter_h 00023 #define __vtkXMLUnstructuredDataWriter_h 00024 00025 #include "vtkXMLWriter.h" 00026 00027 class vtkPointSet; 00028 class vtkCellArray; 00029 class vtkDataArray; 00030 class vtkIdTypeArray; 00031 00032 class VTK_IO_EXPORT vtkXMLUnstructuredDataWriter : public vtkXMLWriter 00033 { 00034 public: 00035 vtkTypeRevisionMacro(vtkXMLUnstructuredDataWriter,vtkXMLWriter); 00036 void PrintSelf(ostream& os, vtkIndent indent); 00037 00039 00041 vtkSetMacro(NumberOfPieces, int); 00042 vtkGetMacro(NumberOfPieces, int); 00044 00046 00047 vtkSetMacro(WritePiece, int); 00048 vtkGetMacro(WritePiece, int); 00050 00052 00053 vtkSetMacro(GhostLevel, int); 00054 vtkGetMacro(GhostLevel, int); 00056 00057 protected: 00058 vtkXMLUnstructuredDataWriter(); 00059 ~vtkXMLUnstructuredDataWriter(); 00060 00061 vtkPointSet* GetInputAsPointSet(); 00062 virtual const char* GetDataSetName()=0; 00063 virtual void SetInputUpdateExtent(int piece, int numPieces, 00064 int ghostLevel)=0; 00065 00066 // The actual writing driver required by vtkXMLWriter. 00067 int WriteData(); 00068 00069 virtual int WriteInlineMode(vtkIndent indent); 00070 virtual void WriteInlinePieceAttributes(); 00071 virtual void WriteInlinePiece(vtkIndent indent); 00072 00073 virtual int WriteAppendedMode(vtkIndent indent); 00074 virtual void WriteAppendedPieceAttributes(int index); 00075 virtual void WriteAppendedPiece(int index, vtkIndent indent); 00076 virtual void WriteAppendedPieceData(int index); 00077 00078 void WriteCellsInline(const char* name, vtkCellArray* cells, 00079 vtkDataArray* types, vtkIndent indent); 00080 unsigned long* WriteCellsAppended(const char* name, vtkDataArray* types, 00081 vtkIndent indent); 00082 void WriteCellsAppendedData(vtkCellArray* cells, vtkDataArray* types, 00083 unsigned long* positions); 00084 void ConvertCells(vtkCellArray* cells); 00085 00086 // Get the number of points/cells. Valid after Update has been 00087 // invoked on the input. 00088 virtual vtkIdType GetNumberOfInputPoints(); 00089 virtual vtkIdType GetNumberOfInputCells()=0; 00090 void CalculateDataFractions(float* fractions); 00091 void CalculateCellFractions(float* fractions, vtkIdType typesSize); 00092 00093 // Number of pieces used for streaming. 00094 int NumberOfPieces; 00095 00096 // Which piece to write, if not all. 00097 int WritePiece; 00098 00099 // The ghost level on each piece. 00100 int GhostLevel; 00101 00102 // Positions of attributes for each piece. 00103 unsigned long* PointsPositions; 00104 unsigned long* NumberOfPointsPositions; 00105 unsigned long** PointDataPositions; 00106 unsigned long** CellDataPositions; 00107 00108 // Hold the new cell representation arrays while writing a piece. 00109 vtkIdTypeArray* CellPoints; 00110 vtkIdTypeArray* CellOffsets; 00111 00112 private: 00113 vtkXMLUnstructuredDataWriter(const vtkXMLUnstructuredDataWriter&); // Not implemented. 00114 void operator=(const vtkXMLUnstructuredDataWriter&); // Not implemented. 00115 }; 00116 00117 #endif