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100 lines
3.3 KiB
C
100 lines
3.3 KiB
C
3 weeks ago
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/*=========================================================================
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Program: Visualization Toolkit
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Module: vtkMultiPieceDataSet.h
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Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
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All rights reserved.
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See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
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This software is distributed WITHOUT ANY WARRANTY; without even
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the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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PURPOSE. See the above copyright notice for more information.
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=========================================================================*/
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/**
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* @class vtkMultiPieceDataSet
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* @brief composite dataset to encapsulates pieces of
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* dataset.
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*
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* A vtkMultiPieceDataSet dataset groups multiple data pieces together.
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* For example, say that a simulation broke a volume into 16 piece so that
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* each piece can be processed with 1 process in parallel. We want to load
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* this volume in a visualization cluster of 4 nodes. Each node will get 4
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* pieces, not necessarily forming a whole rectangular piece. In this case,
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* it is not possible to append the 4 pieces together into a vtkImageData.
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* In this case, these 4 pieces can be collected together using a
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* vtkMultiPieceDataSet.
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* Note that vtkMultiPieceDataSet is intended to be included in other composite
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* datasets eg. vtkMultiBlockDataSet, vtkHierarchicalBoxDataSet. Hence the lack
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* of algorithms producting vtkMultiPieceDataSet.
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*/
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#ifndef vtkMultiPieceDataSet_h
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#define vtkMultiPieceDataSet_h
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#include "vtkCommonDataModelModule.h" // For export macro
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#include "vtkPartitionedDataSet.h"
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class vtkDataSet;
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class VTKCOMMONDATAMODEL_EXPORT vtkMultiPieceDataSet : public vtkPartitionedDataSet
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{
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public:
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static vtkMultiPieceDataSet* New();
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vtkTypeMacro(vtkMultiPieceDataSet, vtkPartitionedDataSet);
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void PrintSelf(ostream& os, vtkIndent indent) override;
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/**
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* Return class name of data type (see vtkType.h for
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* definitions).
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*/
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int GetDataObjectType() override { return VTK_MULTIPIECE_DATA_SET; }
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/**
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* Set the number of pieces. This will cause allocation if the new number of
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* pieces is greater than the current size. All new pieces are initialized to
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* null.
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*/
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void SetNumberOfPieces(unsigned int numpieces) { this->SetNumberOfPartitions(numpieces); }
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/**
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* Returns the number of pieces.
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*/
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unsigned int GetNumberOfPieces() { return this->GetNumberOfPartitions(); }
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//@{
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/**
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* Returns the piece at the given index.
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*/
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vtkDataSet* GetPiece(unsigned int pieceno) { return this->GetPartition(pieceno); }
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vtkDataObject* GetPieceAsDataObject(unsigned int pieceno)
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{
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return this->GetPartitionAsDataObject(pieceno);
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}
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//@}
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/**
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* Sets the data object as the given piece. The total number of pieces will
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* be resized to fit the requested piece no.
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*/
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void SetPiece(unsigned int pieceno, vtkDataObject* piece) { this->SetPartition(pieceno, piece); }
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//@{
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/**
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* Retrieve an instance of this class from an information object.
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*/
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static vtkMultiPieceDataSet* GetData(vtkInformation* info);
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static vtkMultiPieceDataSet* GetData(vtkInformationVector* v, int i = 0);
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//@}
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protected:
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vtkMultiPieceDataSet();
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~vtkMultiPieceDataSet() override;
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private:
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vtkMultiPieceDataSet(const vtkMultiPieceDataSet&) = delete;
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void operator=(const vtkMultiPieceDataSet&) = delete;
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};
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#endif
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