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85 lines
2.8 KiB
C
85 lines
2.8 KiB
C
3 weeks ago
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/*=========================================================================
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Program: Visualization Toolkit
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Module: vtkTemporalDataSetCache.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 vtkTemporalDataSetCache
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* @brief cache time steps
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*
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* vtkTemporalDataSetCache cache time step requests of a temporal dataset,
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* when cached data is requested it is returned using a shallow copy.
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* @par Thanks:
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* Ken Martin (Kitware) and John Bidiscombe of
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* CSCS - Swiss National Supercomputing Centre
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* for creating and contributing this class.
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* For related material, please refer to :
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* John Biddiscombe, Berk Geveci, Ken Martin, Kenneth Moreland, David Thompson,
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* "Time Dependent Processing in a Parallel Pipeline Architecture",
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* IEEE Visualization 2007.
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*/
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#ifndef vtkTemporalDataSetCache_h
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#define vtkTemporalDataSetCache_h
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#include "vtkFiltersHybridModule.h" // For export macro
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#include "vtkAlgorithm.h"
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#include <map> // used for the cache
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class VTKFILTERSHYBRID_EXPORT vtkTemporalDataSetCache : public vtkAlgorithm
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{
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public:
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static vtkTemporalDataSetCache* New();
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vtkTypeMacro(vtkTemporalDataSetCache, vtkAlgorithm);
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void PrintSelf(ostream& os, vtkIndent indent) override;
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//@{
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/**
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* This is the maximum number of time steps that can be retained in memory.
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* it defaults to 10.
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*/
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void SetCacheSize(int size);
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vtkGetMacro(CacheSize, int);
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//@}
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protected:
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vtkTemporalDataSetCache();
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~vtkTemporalDataSetCache() override;
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int CacheSize;
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typedef std::map<double, std::pair<unsigned long, vtkDataObject*> > CacheType;
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CacheType Cache;
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/**
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* see vtkAlgorithm for details
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*/
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vtkTypeBool ProcessRequest(vtkInformation* request, vtkInformationVector** inputVector,
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vtkInformationVector* outputVector) override;
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int FillInputPortInformation(int port, vtkInformation* info) override;
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int FillOutputPortInformation(int vtkNotUsed(port), vtkInformation* info) override;
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virtual int RequestDataObject(
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vtkInformation*, vtkInformationVector** inputVector, vtkInformationVector* outputVector);
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virtual int RequestUpdateExtent(vtkInformation*, vtkInformationVector**, vtkInformationVector*);
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virtual int RequestData(vtkInformation*, vtkInformationVector**, vtkInformationVector*);
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private:
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vtkTemporalDataSetCache(const vtkTemporalDataSetCache&) = delete;
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void operator=(const vtkTemporalDataSetCache&) = delete;
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};
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#endif
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