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/*========================================================================= |
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Program: Insight Segmentation & Registration Toolkit |
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Module: $RCSfile: itkProgressAccumulator.cxx.html,v $ |
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Language: C++ |
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Date: $Date: 2006/01/17 19:15:46 $ |
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Version: $Revision: 1.4 $ |
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Copyright (c) Insight Software Consortium. All rights reserved. |
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See ITKCopyright.txt or http://www.itk.org/HTML/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 notices for more information. |
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DEF |
=========================================================================*/ |
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#include "itkProgressAccumulator.h" |
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namespace itk { |
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ProgressAccumulator |
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::ProgressAccumulator() |
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{ |
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m_MiniPipelineFilter = 0; |
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// Initialize the progress values |
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this->ResetProgress(); |
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// Create a member command |
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m_CallbackCommand = CommandType::New(); |
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m_CallbackCommand->SetCallbackFunction( this, & Self::ReportProgress ); |
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} |
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ProgressAccumulator |
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::~ProgressAccumulator() |
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{ |
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UnregisterAllFilters(); |
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} |
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void |
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ProgressAccumulator |
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::RegisterInternalFilter(GenericFilterType *filter,float weight) |
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{ |
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// Observe the filter |
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unsigned long progressTag = |
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IND |
****filter->AddObserver(ProgressEvent(), m_CallbackCommand); |
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unsigned long iterationTag = |
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IND |
****filter->AddObserver(IterationEvent(), m_CallbackCommand); |
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// Create a record for the filter |
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struct FilterRecord record; |
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record.Filter = filter; |
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record.Weight = weight; |
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record.ProgressObserverTag = progressTag; |
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record.IterationObserverTag = iterationTag; |
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record.Progress = 0.0f; |
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// Add the record to the list |
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m_FilterRecord.push_back(record); |
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} |
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void |
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ProgressAccumulator |
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::UnregisterAllFilters() |
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{ |
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// The filters should no longer be observing us |
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FilterRecordVector::iterator it; |
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for(it = m_FilterRecord.begin();it!=m_FilterRecord.end();++it) |
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{ |
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it->Filter->RemoveObserver(it->ProgressObserverTag); |
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it->Filter->RemoveObserver(it->IterationObserverTag); |
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} |
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// Clear the filter array |
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m_FilterRecord.clear(); |
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// Reset the progress meter |
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ResetProgress(); |
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} |
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void |
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ProgressAccumulator |
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::ResetProgress() |
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{ |
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// Reset the accumulated progress |
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m_AccumulatedProgress = 0.0f; |
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m_BaseAccumulatedProgress = 0.0f; |
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// Reset each of the individial progress meters |
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FilterRecordVector::iterator it; |
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for(it = m_FilterRecord.begin();it!=m_FilterRecord.end();++it) |
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{ |
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it->Progress = 0.0f; |
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it->Filter->SetProgress( 0.0f ); |
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} |
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} |
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void |
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ProgressAccumulator |
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::ResetFilterProgressAndKeepAccumulatedProgress() |
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{ |
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m_BaseAccumulatedProgress = m_AccumulatedProgress; |
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// Reset each of the individial progress meters |
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FilterRecordVector::iterator it; |
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for(it = m_FilterRecord.begin();it!=m_FilterRecord.end();++it) |
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{ |
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it->Progress = 0.0f; |
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it->Filter->SetProgress( 0.0f ); |
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} |
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} |
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void |
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ProgressAccumulator |
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::ReportProgress(Object *, const EventObject &event) |
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{ |
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ProgressEvent pe; |
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IterationEvent ie; |
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if( typeid( event ) == typeid( pe ) ) |
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{ |
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// Add up the progress from different filters |
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m_AccumulatedProgress = m_BaseAccumulatedProgress; |
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FilterRecordVector::iterator it; |
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for(it = m_FilterRecord.begin();it!=m_FilterRecord.end();++it) |
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{ |
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m_AccumulatedProgress += it->Filter->GetProgress() * it->Weight; |
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} |
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// Update the progress of the client mini-pipeline filter |
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m_MiniPipelineFilter->UpdateProgress(m_AccumulatedProgress); |
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} |
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else if (typeid( event ) == typeid ( ie ) ) |
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{ |
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} |
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} |
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void ProgressAccumulator |
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::PrintSelf(std::ostream &os, Indent indent) const |
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{ |
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Superclass::PrintSelf(os,indent); |
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if (m_MiniPipelineFilter) |
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{ |
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os << indent << m_MiniPipelineFilter << std::endl; |
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} |
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os << indent << m_AccumulatedProgress << std::endl; |
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os << indent << m_BaseAccumulatedProgress << std::endl; |
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} |
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} // End namespace itk |
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EOF |
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EOF,EML |
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