广州市城市三维景观地图网站的建设与开发

Development and Construction of Urban 3D Digital Landscape Map WebSite of GuangZhou

基于GIS、三维建模、虚拟仿真等相关技术,建立了广州市城市三维景观地图数据库,开发了三维景观地图网站,并应用于第16届广州亚运会地图网站,本文对网站数据内容及模型标准(包括数据范围和内容、三维模型数据精度、三维场景效果)、三维景观地图制作流程(包括数据源获取、地物CAD建模、场景渲染及拼接)、网站功能(三维景观地图的查询浏览定位、二三维联动展示、亚运专题数据查询)等进行了详细地阐述。

Using the technologies of GIS,3D modeling,virtual simulation,the 3D digital landscape map database of GuangZhou is established and landscape map website is developed and the 16th Asian Games atlas is compiled;This paper in detail introduces some contents as follows：（1） Data contents and 3D model standards including data area,content,accuracy,Scene＇s effectiveness;（2）the follows of 3D digital landscape map including acquiring data source,3D modeling,scenes rendering and mosaicing;（3）the functions of map website including querying and locating of 3D digital landscape map,2D and 3D interactive,querying of themes of 16th Asian Games.