【摘要】 以深圳市数字三维演示系统为例,从搜集源数据、三维模型的创建、数据管理、可视化表现等方面阐述了三维城市模型的实现,指出了三维城市模型数据的逼真性衡量指标及建模的简化取舍还有待研究,以指导我国数码城市建设的推进。更多还原

【Abstract】 Taking digital 3D demonstration system in Shenzhen as an example,this paper illustrates the realization of 3D city model from collection of source data,establishment of 3D model,data management,and visual performance,and points out that the measurable indicators of data fidelity in 3D city model and the simplification of modeling still need more research,in order to guide the promotion of numeral city construction in our country.更多还原