VTK  9.0.1
vtkXMLUnstructuredGridReader.h
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1 /*=========================================================================
2 
3  Program: Visualization Toolkit
4  Module: vtkXMLUnstructuredGridReader.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 =========================================================================*/
29 #ifndef vtkXMLUnstructuredGridReader_h
30 #define vtkXMLUnstructuredGridReader_h
31 
32 #include "vtkIOXMLModule.h" // For export macro
34 
36 class vtkIdTypeArray;
37 
39 {
40 public:
42  void PrintSelf(ostream& os, vtkIndent indent) override;
44 
46 
49  vtkUnstructuredGrid* GetOutput();
50  vtkUnstructuredGrid* GetOutput(int idx);
52 
53 protected:
55  ~vtkXMLUnstructuredGridReader() override;
56 
57  const char* GetDataSetName() override;
58  void GetOutputUpdateExtent(int& piece, int& numberOfPieces, int& ghostLevel) override;
59  void SetupOutputTotals() override;
60  void SetupPieces(int numPieces) override;
61  void DestroyPieces() override;
62 
63  void SetupOutputData() override;
64  int ReadPiece(vtkXMLDataElement* ePiece) override;
65  void SetupNextPiece() override;
66  int ReadPieceData() override;
67 
68  // Read a data array whose tuples correspond to cells.
69  int ReadArrayForCells(vtkXMLDataElement* da, vtkAbstractArray* outArray) override;
70 
71  // Get the number of cells in the given piece. Valid after
72  // UpdateInformation.
73  vtkIdType GetNumberOfCellsInPiece(int piece) override;
74 
75  int FillOutputPortInformation(int, vtkInformation*) override;
76 
77  // The index of the cell in the output where the current piece
78  // begins.
80 
81  // The Cells element for each piece.
84 
86  unsigned long CellsOffset;
87 
88 private:
90  void operator=(const vtkXMLUnstructuredGridReader&) = delete;
91 };
92 
93 #endif
virtual const char * GetDataSetName()=0
Represents an XML element and those nested inside.
Store vtkAlgorithm input/output information.
Abstract superclass for all arrays.
virtual vtkIdType GetNumberOfCellsInPiece(int piece)=0
Superclass for unstructured data XML readers.
dynamic, self-adjusting array of vtkIdType
void SetupPieces(int numPieces) override
int vtkIdType
Definition: vtkType.h:338
virtual int FillOutputPortInformation(int port, vtkInformation *info)
Fill the output port information objects for this algorithm.
a simple class to control print indentation
Definition: vtkIndent.h:33
dataset represents arbitrary combinations of all possible cell types
void SetupOutputData() override
Read VTK XML UnstructuredGrid files.
virtual void GetOutputUpdateExtent(int &piece, int &numberOfPieces, int &ghostLevel)=0
static vtkAlgorithm * New()
virtual int ReadArrayForCells(vtkXMLDataElement *da, vtkAbstractArray *outArray)
int ReadPiece(vtkXMLDataElement *ePiece) override
void DestroyPieces() override
virtual void SetupOutputTotals()
void PrintSelf(ostream &os, vtkIndent indent) override
Methods invoked by print to print information about the object including superclasses.