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C++ ImageSet::StartIndex方法代码示例

本文整理汇总了C++中ImageSet::StartIndex方法的典型用法代码示例。如果您正苦于以下问题:C++ ImageSet::StartIndex方法的具体用法?C++ ImageSet::StartIndex怎么用?C++ ImageSet::StartIndex使用的例子?那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在ImageSet的用法示例。


在下文中一共展示了ImageSet::StartIndex方法的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: Perform

	void ForEachBaselineAction::Perform(ArtifactSet &artifacts, ProgressListener &progress)
	{
		if(!artifacts.HasImageSet())
		{
			progress.OnStartTask(*this, 0, 1, "For each baseline (no image set)");
			progress.OnEndTask(*this);
			AOLogger::Warn <<
				"I executed a ForEachBaselineAction without an active imageset: something is\n"
				"likely wrong. Check your strategy and the input files.\n";
		} else if(_selection == Current)
		{
			ActionBlock::Perform(artifacts, progress);
		} else
		{
			ImageSet *imageSet = artifacts.ImageSet();
			MSImageSet *msImageSet = dynamic_cast<MSImageSet*>(imageSet);
			if(msImageSet != 0)
			{
				// Check memory usage
				ImageSetIndex *tempIndex = msImageSet->StartIndex();
				size_t timeStepCount = msImageSet->ObservationTimesVector(*tempIndex).size();
				delete tempIndex;
				size_t channelCount = msImageSet->GetBandInfo(0).channels.size();
				size_t estMemorySizePerThread = 8/*bp complex*/ * 4 /*polarizations*/ * timeStepCount * channelCount * 3 /* approx copies of the data that will be made in memory*/;
				AOLogger::Debug << "Estimate of memory each thread will use: " << estMemorySizePerThread/(1024*1024) << " MB.\n";
				size_t compThreadCount = _threadCount;
				if(compThreadCount > 0) --compThreadCount;
				if(estMemorySizePerThread * compThreadCount > 12ul*1024ul*1024ul*1024ul)
				{
					size_t maxThreads = (12ul * 1024ul * 1024ul * 1024ul) / estMemorySizePerThread;
					if(maxThreads < 1) maxThreads = 1;
					AOLogger::Warn <<
						"WARNING WARNING WARNING WARNING WARNING WARNING WARNING WARNING!\n"
						"This measurement set is TOO LARGE to be processed with " << _threadCount << " threads!\n" <<
						_threadCount << " threads would require " << ((estMemorySizePerThread*compThreadCount)/(1024*1024)) << " MB of memory approximately.\n"
						"Number of threads that will actually be used: " << maxThreads << "\n"
						"This might hurt performance a lot!\n\n";
					_threadCount = maxThreads;
				}
			}
			if(!_antennaeToSkip.empty())
			{
				AOLogger::Debug << "The following antenna's will be skipped: ";
				for(std::set<size_t>::const_iterator i=_antennaeToSkip.begin();i!=_antennaeToSkip.end(); ++i)
					AOLogger::Debug << (*i) << ' ';
				AOLogger::Debug <<'\n';
			}
			if(!_antennaeToInclude.empty())
			{
				AOLogger::Debug << "Only the following antenna's will be included: ";
				for(std::set<size_t>::const_iterator i=_antennaeToInclude.begin();i!=_antennaeToInclude.end(); ++i)
					AOLogger::Debug << (*i) << ' ';
				AOLogger::Debug <<'\n';
			}

			if(artifacts.MetaData() != 0)
			{
				_hasInitAntennae = true;
				if(artifacts.MetaData()->HasAntenna1())
					_initAntenna1 = artifacts.MetaData()->Antenna1();
				else
					_hasInitAntennae = false;
				if(artifacts.MetaData()->HasAntenna2())
					_initAntenna2 = artifacts.MetaData()->Antenna2();
				else
					_hasInitAntennae = false;
			}
			_artifacts = &artifacts;
			
			_initPartIndex = 0;
			_finishedBaselines = false;
			_baselineCount = 0;
			_baselineProgress = 0;
			_nextIndex = 0;
			
			// Count the baselines that are to be processed
			ImageSetIndex *iteratorIndex = imageSet->StartIndex();
			while(iteratorIndex->IsValid())
			{
				if(IsBaselineSelected(*iteratorIndex))
					++_baselineCount;
				iteratorIndex->Next();
			}
			delete iteratorIndex;
			AOLogger::Debug << "Will process " << _baselineCount << " baselines.\n";
			
			// Initialize thread data and threads
			_loopIndex = imageSet->StartIndex();
			_progressTaskNo = new int[_threadCount];
			_progressTaskCount = new int[_threadCount];
			progress.OnStartTask(*this, 0, 1, "Initializing");

			boost::thread_group threadGroup;
			ReaderFunction reader(*this);
			threadGroup.create_thread(reader);
			
			size_t mathThreads = mathThreadCount();
			for(unsigned i=0;i<mathThreads;++i)
			{
				PerformFunction function(*this, progress, i);
//.........这里部分代码省略.........
开发者ID:pkgw,项目名称:aoflagger,代码行数:101,代码来源:foreachbaselineaction.cpp


注:本文中的ImageSet::StartIndex方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。