VTK  9.1.0
vtkExtractUserDefinedPiece.h
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1/*=========================================================================
2
3 Program: Visualization Toolkit
4 Module: vtkExtractUserDefinedPiece.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=========================================================================*/
15/*----------------------------------------------------------------------------
16 Copyright (c) Sandia Corporation
17 See Copyright.txt or http://www.paraview.org/HTML/Copyright.html for details.
18----------------------------------------------------------------------------*/
19
36#ifndef vtkExtractUserDefinedPiece_h
37#define vtkExtractUserDefinedPiece_h
38
40#include "vtkFiltersParallelModule.h" // For export macro
41
42class VTKFILTERSPARALLEL_EXPORT vtkExtractUserDefinedPiece : public vtkExtractUnstructuredGridPiece
43{
44public:
47 void PrintSelf(ostream& os, vtkIndent indent) override;
48
49 typedef int (*UserDefFunc)(vtkIdType cellID, vtkUnstructuredGrid* grid, void* constantData);
50
51 // Set the function used to identify the piece. The function should
52 // return 1 if the cell is in the piece, and 0 otherwise.
53 void SetPieceFunction(UserDefFunc func)
54 {
55 this->InPiece = func;
56 this->Modified();
57 }
58
59 // Set constant data to be used by the piece identifying function.
60 void SetConstantData(void* data, int len);
61
62 // Get constant data to be used by the piece identifying function.
63 // Return the length of the data buffer.
64 int GetConstantData(void** data);
65
66 // The function should return 1 if the cell
67 // is in the piece, and 0 otherwise.
68
69protected:
72
74
76 vtkIntArray* tags, vtkIdList* pointOwnership, vtkUnstructuredGrid* input);
77
78private:
80 void operator=(const vtkExtractUserDefinedPiece&) = delete;
81
82 void* ConstantData;
83 int ConstantDataLen;
84
85 UserDefFunc InPiece;
86};
87#endif
Return specified piece, including specified number of ghost levels.
Return user specified piece with ghost cells.
int RequestData(vtkInformation *, vtkInformationVector **, vtkInformationVector *) override
This is called by the superclass.
void PrintSelf(ostream &os, vtkIndent indent) override
Methods invoked by print to print information about the object including superclasses.
int GetConstantData(void **data)
~vtkExtractUserDefinedPiece() override
static vtkExtractUserDefinedPiece * New()
void SetPieceFunction(UserDefFunc func)
void SetConstantData(void *data, int len)
void ComputeCellTagsWithFunction(vtkIntArray *tags, vtkIdList *pointOwnership, vtkUnstructuredGrid *input)
list of point or cell ids
Definition: vtkIdList.h:140
a simple class to control print indentation
Definition: vtkIndent.h:113
Store zero or more vtkInformation instances.
Store vtkAlgorithm input/output information.
dynamic, self-adjusting array of int
Definition: vtkIntArray.h:149
virtual void Modified()
Update the modification time for this object.
dataset represents arbitrary combinations of all possible cell types
int vtkIdType
Definition: vtkType.h:332