当前位置: 首页>>代码示例>>C++>>正文


C++ ReferenceCloud::capacity方法代码示例

本文整理汇总了C++中cclib::ReferenceCloud::capacity方法的典型用法代码示例。如果您正苦于以下问题:C++ ReferenceCloud::capacity方法的具体用法?C++ ReferenceCloud::capacity怎么用?C++ ReferenceCloud::capacity使用的例子?那么恭喜您, 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cclib::ReferenceCloud的用法示例。


在下文中一共展示了ReferenceCloud::capacity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: ICP


//.........这里部分代码省略.........
			unsigned count = dataCloud->size();
			std::vector<ScalarType> distances;
			try
			{
				distances.resize(count);
			}
			catch (const std::bad_alloc&)
			{
				ccLog::Error("Not enough memory!");
				return false;
			}
			for (unsigned i=0; i<count; ++i)
			{
				distances[i] = dataCloud->getPointScalarValue(i);
			}
			
			ParallelSort(distances.begin(), distances.end());
			
			//now look for the max value at 'finalOverlapRatio+margin' percent
			maxSearchDist = distances[static_cast<unsigned>(std::max(1.0,count*(finalOverlapRatio+s_overlapMarginRatio)))-1];
		}

		//evntually select the points with distance below 'maxSearchDist'
		//(should roughly correspond to 'finalOverlapRatio + margin' percent)
		{
			CCLib::ReferenceCloud* refCloud = new CCLib::ReferenceCloud(dataCloud);
			cloudGarbage.add(refCloud);
			unsigned countBefore = dataCloud->size();
			unsigned baseIncrement = static_cast<unsigned>(std::max(100.0,countBefore*finalOverlapRatio*0.05));
			for (unsigned i=0; i<countBefore; ++i)
			{
				if (dataCloud->getPointScalarValue(i) <= maxSearchDist)
				{
					if (	refCloud->size() == refCloud->capacity()
						&&	!refCloud->reserve(refCloud->size() + baseIncrement) )
					{
						ccLog::Error("Not enough memory!");
						return false;
					}
					refCloud->addPointIndex(i);
				}
			}
			refCloud->resize(refCloud->size());
			dataCloud = refCloud;

			unsigned countAfter = dataCloud->size();
			double keptRatio = static_cast<double>(countAfter)/countBefore;
			ccLog::Print(QString("[ICP][Partial overlap] Selecting %1 points out of %2 (%3%) for registration").arg(countAfter).arg(countBefore).arg(static_cast<int>(100*keptRatio)));

			//update the relative 'final overlap' ratio
			finalOverlapRatio /= keptRatio;
		}
	}

	//weights
	CCLib::ScalarField* modelWeights = nullptr;
	CCLib::ScalarField* dataWeights = nullptr;
	{
		if (!modelMesh && useModelSFAsWeights)
		{
			if (modelCloud == dynamic_cast<CCLib::GenericIndexedCloudPersist*>(model) && model->isA(CC_TYPES::POINT_CLOUD))
			{
				ccPointCloud* pc = static_cast<ccPointCloud*>(model);
				modelWeights = pc->getCurrentDisplayedScalarField();
				if (!modelWeights)
					ccLog::Warning("[ICP] 'useDataSFAsWeights' is true but model has no displayed scalar field!");
开发者ID:cloudcompare,项目名称:trunk,代码行数:67,代码来源:ccRegistrationTools.cpp


注:本文中的cclib::ReferenceCloud::capacity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。