三维数字城市在宜昌市城市规划中的应用研究

随着虚拟现实与测绘新技术的发展，三维数字城市已被广泛应用于许多行业部门，尤其在规划行业得到很好的应用，使城市管理者能够更形象、直观地把握城市的未来，决策城市的发展方向。本文简要介绍目前常用三维建模的方法，并以宜昌市规划局的规划三维辅助决策系统为例，全面介绍该系统所采用的建模方法、命名规则和系统实现。

The Observations and Thinking of the Digital City Construction in Yichang City

With virtual reality and mapping development of new technologies ,3D digital city has been widely used in many industries sector ,particularly in the planning industry has been very good application ,so that the image of the city manager to be more intuitive grasp of the city ’ s future ,making the city direction of development .This article briefly de-scribes the most commonly used method for three-dimensional modeling ,and Yichang City Planning Bureau dimensional planning decision support system as an example , a comprehensive introduction to the system used by the modeling ap-proach,naming conventions and system implementation .