VTK
vtkXMLPStructuredDataReader.h
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1 /*=========================================================================
2 
3  Program: Visualization Toolkit
4  Module: vtkXMLPStructuredDataReader.h
5 
6  Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
7  All rights reserved.
8  See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
9 
10  This software is distributed WITHOUT ANY WARRANTY; without even
11  the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
12  PURPOSE. See the above copyright notice for more information.
13 
14 =========================================================================*/
27 #ifndef vtkXMLPStructuredDataReader_h
28 #define vtkXMLPStructuredDataReader_h
29 
30 #include "vtkIOXMLModule.h" // For export macro
31 #include "vtkXMLPDataReader.h"
32 
33 class vtkExtentSplitter;
35 
36 class VTKIOXML_EXPORT vtkXMLPStructuredDataReader : public vtkXMLPDataReader
37 {
38 public:
40  void PrintSelf(ostream& os, vtkIndent indent) VTK_OVERRIDE;
41 
42  // For the specified port, copy the information this reader sets up in
43  // SetupOutputInformation to outInfo
44  void CopyOutputInformation(vtkInformation *outInfo, int port) VTK_OVERRIDE;
45 protected:
47  ~vtkXMLPStructuredDataReader() VTK_OVERRIDE;
48 
49  vtkIdType GetNumberOfPoints() VTK_OVERRIDE;
50  vtkIdType GetNumberOfCells() VTK_OVERRIDE;
51  void CopyArrayForPoints(vtkDataArray* inArray, vtkDataArray* outArray) VTK_OVERRIDE;
52  void CopyArrayForCells(vtkDataArray* inArray, vtkDataArray* outArray) VTK_OVERRIDE;
53 
54  virtual void SetOutputExtent(int* extent)=0;
55  virtual void GetPieceInputExtent(int index, int* extent)=0;
56 
57  // Pipeline execute data driver. Called by vtkXMLReader.
58  void ReadXMLData() VTK_OVERRIDE;
59  int ReadPrimaryElement(vtkXMLDataElement* ePrimary) VTK_OVERRIDE;
60 
61  void SetupOutputData() VTK_OVERRIDE;
62 
63  void SetupPieces(int numPieces) VTK_OVERRIDE;
64  void DestroyPieces() VTK_OVERRIDE;
65  int ReadPiece(vtkXMLDataElement* ePiece) VTK_OVERRIDE;
66  int ReadPieceData() VTK_OVERRIDE;
67  void CopySubExtent(int* inExtent, int* inDimensions, vtkIdType* inIncrements,
68  int* outExtent,int* outDimensions,vtkIdType* outIncrements,
69  int* subExtent, int* subDimensions,
70  vtkDataArray* inArray, vtkDataArray* outArray);
71  int ComputePieceSubExtents();
72 
73  vtkExtentSplitter* ExtentSplitter;
74 
75  // The extent to be updated in the output.
76  int UpdateExtent[6];
77  int PointDimensions[3];
78  vtkIdType PointIncrements[3];
79  int CellDimensions[3];
80  vtkIdType CellIncrements[3];
81 
82  // The extent currently being read from a piece.
83  int SubExtent[6];
84  int SubPointDimensions[3];
85  int SubCellDimensions[3];
86  int SubPieceExtent[6];
87  int SubPiecePointDimensions[3];
88  vtkIdType SubPiecePointIncrements[3];
89  int SubPieceCellDimensions[3];
90  vtkIdType SubPieceCellIncrements[3];
91 
92  // Information per-piece.
93  int* PieceExtents;
94 
95  int RequestInformation(vtkInformation *request,
96  vtkInformationVector **inputVector,
97  vtkInformationVector *outputVector) VTK_OVERRIDE;
98 
99 private:
100  vtkXMLPStructuredDataReader(const vtkXMLPStructuredDataReader&) VTK_DELETE_FUNCTION;
101  void operator=(const vtkXMLPStructuredDataReader&) VTK_DELETE_FUNCTION;
102 };
103 
104 #endif
Represents an XML element and those nested inside.
Store vtkAlgorithm input/output information.
Superclass for structured data XML readers.
int vtkIdType
Definition: vtkType.h:345
Split an extent across other extents.
void CopyOutputInformation(vtkInformation *outInfo, int port) override
a simple class to control print indentation
Definition: vtkIndent.h:33
Superclass for parallel structured data XML readers.
abstract superclass for arrays of numeric data
Definition: vtkDataArray.h:48
Superclass for PVTK XML file readers.
Store zero or more vtkInformation instances.
void PrintSelf(ostream &os, vtkIndent indent) override
Methods invoked by print to print information about the object including superclasses.