LIDAR 标准数据格式（LAS）的解析与处理

摘要

LIDAR（ Light Detection And Ranging ）是近年来兴起的一种快速获取地物目标三维信息的主动遥感技术。LAS格式是测量与遥感（ ASPRS）协会下属的LIDAR委员会制定的标准LIDAR数据格式，该格式是目前最常用的LIDAR数据存储格式，可以比较好地解决多属性离散激光点云数据的存储问题。具有结构严谨、便于扩展等优点。 LAS格式先后有1．0，1．1，1．2，1．3四个版本。本文研究的内容是基于1．2版本，在对LAS格式进行解析的基础上，采用C＋＋语言开发相应的读写功能，实现对数据的读取、修改、转换等常规处理。%LIDAR ( Light Detection And Ranging ) is a new rapid acquisition of objects in the3 D information of the active remote sensing technology .The LAS format is measurement and remote sensing ( ASPRS) association under the LIDAR commission to devel-op the standard L IDAR data format , the format is currently the most commonly used L IDAR data storage format , can better solve the multi attribute discrete laser point data storage problems , has compact structure , easy expansion etc ..The format of LAS has 1.0, 1. 1, 1.2, 1.3 four versions, this study is aimed at the 1.2 version.the LAS format based on the analysis , uses the C++language de-velopment corresponding to the reading and writing class , and the format of the data to be read , modify, conversion and other conven-tional treatment .