激光雷达数据的地面线的自动生成方法  

An automatic method for generating cross section based on LiDAR data

作　　者：余飞[1] 陈楚江[1] 张霄[1] 

机构地区：[1]中交第二公路勘察设计研究院有限公司,武汉430056

出　　处：《测绘科学》2016年第11期89-92,113,共5页Science of Surveying and Mapping

基　　金：河北省交通运输厅科技计划项目(Y2011061;Y2012095)

摘　　要：针对公路勘察设计中获取地面线信息效率低、精度低的问题,提出一种新的利用海量高精度激光雷达数据生成设计地面线的方法。该方法采用基于路线方案的索引方法对激光雷达数据进行动态管理,并且结合Microstation平台二次开发,设计并实现了道路设计地面线自动提取的软件工具。通过工程实践表明:利用该方法可以进行设计地面线的快速自动提取,提高公路勘测设计的效率,节省外业测量成本,并实现激光雷达测量与公路施工图设计的一体化。Aiming at the current status that the present methods obtain the cross section with low effi- ciency and low precision in highway survey and design, a novel method that can generate cross section u- sing LiDAR data with high accuracy was proposed in this paper. In this method, the dynamic management of LiDAR data was carried out by the spatial index based on route plan. And the software for generating cross section was designed and implemented based on the Microstation platform. The engineering practice shows that the cross section can be extracted quickly and automatically with the proposed method. Furthermore, the method can save the cost in field measurement, improve the efficiency of high- way survey and design, and realize the integration of LiDAR data and highway construction design.

关 键 词：激光雷达 高速公路 自动提取 地面线生成 

分 类 号：P237[天文地球—摄影测量与遥感]