VTK  9.1.0
vtkXMLPUnstructuredDataReader.h
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1 /*=========================================================================
2 
3  Program: Visualization Toolkit
4  Module: vtkXMLPUnstructuredDataReader.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 =========================================================================*/
26 #ifndef vtkXMLPUnstructuredDataReader_h
27 #define vtkXMLPUnstructuredDataReader_h
28 
29 #include "vtkIOXMLModule.h" // For export macro
30 #include "vtkXMLPDataReader.h"
31 
32 class vtkAbstractArray;
33 class vtkPointSet;
34 class vtkCellArray;
36 
37 class VTKIOXML_EXPORT vtkXMLPUnstructuredDataReader : public vtkXMLPDataReader
38 {
39 public:
41  void PrintSelf(ostream& os, vtkIndent indent) override;
42 
43  // For the specified port, copy the information this reader sets up in
44  // SetupOutputInformation to outInfo
45  void CopyOutputInformation(vtkInformation* outInfo, int port) override;
46 
47 protected:
50 
52  vtkInformationVector* outputVector) override;
53 
56  virtual void SetupOutputTotals();
57  virtual void SetupNextPiece();
60  void CopyArrayForPoints(vtkAbstractArray* inArray, vtkAbstractArray* outArray) override;
61 
62  void SetupEmptyOutput() override;
63 
64  // Setup the output's information.
65  void SetupOutputInformation(vtkInformation* outInfo) override;
66 
67  void SetupOutputData() override;
68  virtual void GetOutputUpdateExtent(int& piece, int& numberOfPieces, int& ghostLevel) = 0;
69 
70  // Pipeline execute data driver. Called by vtkXMLReader.
71  void ReadXMLData() override;
72  int ReadPrimaryElement(vtkXMLDataElement* ePrimary) override;
73  void SetupUpdateExtent(int piece, int numberOfPieces, int ghostLevel);
74 
75  int ReadPieceData() override;
76  void CopyCellArray(vtkIdType totalNumberOfCells, vtkCellArray* inCells, vtkCellArray* outCells);
77 
78  // Get the number of points/cells in the given piece. Valid after
79  // UpdateInformation.
80  virtual vtkIdType GetNumberOfPointsInPiece(int piece);
81  virtual vtkIdType GetNumberOfCellsInPiece(int piece);
82 
83  // The update request.
87 
88  // The range of pieces from the file that will form the UpdatePiece.
90  int EndPiece;
94 
95  // The PPoints element with point information.
97 
98 private:
100  void operator=(const vtkXMLPUnstructuredDataReader&) = delete;
101 };
102 
103 #endif
Abstract superclass for all arrays.
object to represent cell connectivity
Definition: vtkCellArray.h:181
a simple class to control print indentation
Definition: vtkIndent.h:34
Store zero or more vtkInformation instances.
Store vtkAlgorithm input/output information.
concrete class for storing a set of points
Definition: vtkPointSet.h:67
Represents an XML element and those nested inside.
Superclass for PVTK XML file readers that read vtkDataSets.
Superclass for parallel unstructured data XML readers.
virtual void SetupOutputTotals()
void CopyOutputInformation(vtkInformation *outInfo, int port) override
vtkIdType GetNumberOfPoints() override
void SetupOutputInformation(vtkInformation *outInfo) override
~vtkXMLPUnstructuredDataReader() override
vtkPointSet * GetPieceInputAsPointSet(int piece)
void SetupUpdateExtent(int piece, int numberOfPieces, int ghostLevel)
int RequestInformation(vtkInformation *request, vtkInformationVector **inputVector, vtkInformationVector *outputVector) override
void CopyCellArray(vtkIdType totalNumberOfCells, vtkCellArray *inCells, vtkCellArray *outCells)
vtkPointSet * GetOutputAsPointSet()
void PrintSelf(ostream &os, vtkIndent indent) override
Methods invoked by print to print information about the object including superclasses.
virtual void GetOutputUpdateExtent(int &piece, int &numberOfPieces, int &ghostLevel)=0
virtual vtkIdType GetNumberOfPointsInPiece(int piece)
int ReadPieceData() override
Actually read the current piece data.
void SetupOutputData() override
Initialize the output data.
int ReadPrimaryElement(vtkXMLDataElement *ePrimary) override
Read the information relative to the dataset and allocate the needed structures according to it.
void SetupEmptyOutput() override
virtual vtkIdType GetNumberOfCellsInPiece(int piece)
vtkIdType GetNumberOfCells() override
void CopyArrayForPoints(vtkAbstractArray *inArray, vtkAbstractArray *outArray) override
Superclass for unstructured data XML readers.
@ port
Definition: vtkX3D.h:453
int vtkIdType
Definition: vtkType.h:332