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129 lines
3.5 KiB
C++
129 lines
3.5 KiB
C++
/*=========================================================================
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Program: Visualization Toolkit
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Module: vtkMultiTimeStepAlgorithm.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 vtkMultiTimeStepAlgorithm
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* @brief Superclass for algorithms that would like to
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* make multiple time requests
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*
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* This class can be inherited by any algorithm that wishes to make multiple
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* time requests upstream.
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* The child class uses UPDATE_TIME_STEPS to make the time requests and
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* use set of time-stamped data objects are stored in time order
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* in a vtkMultiBlockDataSet object.
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*/
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#ifndef vtkMultiTimeStepAlgorithm_h
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#define vtkMultiTimeStepAlgorithm_h
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#include "vtkCommonExecutionModelModule.h" // For export macro
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#include "vtkAlgorithm.h"
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#include "vtkSmartPointer.h" //needed for a private variable
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#include <vector> //needed for a private variable
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#include "vtkDataObject.h" // needed for the smart pointer
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class vtkInformationDoubleVectorKey;
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class vtkMultiBlockDataSet;
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class VTKCOMMONEXECUTIONMODEL_EXPORT vtkMultiTimeStepAlgorithm : public vtkAlgorithm
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{
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public:
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static vtkMultiTimeStepAlgorithm *New();
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vtkTypeMacro(vtkMultiTimeStepAlgorithm,vtkAlgorithm);
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void PrintSelf(ostream& os, vtkIndent indent) VTK_OVERRIDE;
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protected:
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vtkMultiTimeStepAlgorithm();
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~vtkMultiTimeStepAlgorithm() VTK_OVERRIDE
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{
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};
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/**
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* This is filled by the child class to request multiple time steps
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*/
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static vtkInformationDoubleVectorKey* UPDATE_TIME_STEPS();
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//@{
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/**
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* This is called by the superclass.
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* This is the method you should override.
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*/
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virtual int RequestDataObject(vtkInformation*, vtkInformationVector**, vtkInformationVector*)
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{
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return 1;
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};
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//@}
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//@{
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/**
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* This is called by the superclass.
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* This is the method you should override.
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*/
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virtual int RequestInformation(vtkInformation*, vtkInformationVector**, vtkInformationVector*)
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{
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return 1;
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};
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//@}
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/**
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* This is called by the superclass.
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* This is the method you should override.
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*/
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virtual int RequestData(vtkInformation*, vtkInformationVector**, vtkInformationVector*)
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{
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return 1;
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}
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/**
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* This is called by the superclass.
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* This is the method you should override.
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*/
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virtual int RequestUpdateExtent(vtkInformation*, vtkInformationVector**, vtkInformationVector*)
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{
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return 1;
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}
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int ProcessRequest(vtkInformation*, vtkInformationVector**, vtkInformationVector*) VTK_OVERRIDE;
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bool CacheData;
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unsigned int NumberOfCacheEntries;
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private:
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vtkMultiTimeStepAlgorithm(const vtkMultiTimeStepAlgorithm&) VTK_DELETE_FUNCTION;
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void operator=(const vtkMultiTimeStepAlgorithm&) VTK_DELETE_FUNCTION;
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vtkSmartPointer<vtkMultiBlockDataSet> MDataSet; //stores all the temporal data sets
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int RequestUpdateIndex; //keep track of the time looping index
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std::vector<double> UpdateTimeSteps; //store the requested time steps
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bool IsInCache(double time, size_t& idx);
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struct TimeCache
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{
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TimeCache(double time, vtkDataObject* data) : TimeValue(time), Data(data)
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{
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}
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double TimeValue;
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vtkSmartPointer<vtkDataObject> Data;
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};
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std::vector<TimeCache> Cache;
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};
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#endif
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