地下空间普查中城市地下建筑物三维建模方法探讨  

The Discussion of Underground Building Modeling Method in Underground Space General Investigation

作　　者：董安国[1] 黄亮[1] 

机构地区：[1]江苏省测绘工程院,江苏南京210013

出　　处：《现代测绘》2016年第5期28-30,共3页Modern Surveying and Mapping

基　　金：江阴市全市域地下空间设施[地下建(构)筑物]普查项目

摘　　要：地下建筑物三维模型是地下空间普查成果的重要组成部分。在分析地下建筑物三维建模要求的基础上,总结并比较了现有三维建模数据采集方法,介绍了建模过程中贴图制作方法、模型构建方法以及精度控制指标。通过江阴全市域地下空间普查项目实例,验证了所提方法的适用性与有效性。Three dimensional underground building models are important components for underground space investigation.On the analysis of requirement of underground building modeling,existing data acquisition methods for three dimensional models are summarized and compared,the texture image generation method,building modeling method as well as accuracy control indexes which are used in the modeling process are introduced.The projet of underground space general investigation covers the whole Jiangyin city proves that the method proposed here is applicatively and effectively.

关 键 词：地下空间普查 三维建模 几何数据 纹理数据 

分 类 号：P258[天文地球—测绘科学与技术]