【摘要】 在"数字城市"的建设中,基础地理数据具有重要作用。随着技术的进步,原有基础地理数据的结构、存储格式需要适当变更,以适应新技术的要求。本文针对香港政府原有的基础地图系统,详细地讨论了根据Arc-GIS制作道路多边形的可行性和优缺点,提出基于ArcGIS的香港道路多边形构面的方法,并对"数字城市"的建设提出了展望。更多还原

【Abstract】 During the process of building "Digital City", the foundation data of geography plays an important role. With the development of science and technology, in order to meet the demands of new technology, the structure and storage format of original foundation data of geography require some proper change. In this paper, according to the original map system of the Hong Kong government, it discusses the feasibility, advantage and disadvantage of making road polygon by ArcGIS detailed, introduces the method of road polygon construction based on ArcGIS, and proposes the prospect for "Digital City"更多还原