全国1:1000000数据库建设与更新

Construction and Updating of 1:1 000 000 Geospacial Database of China

描述了全国1:1 000 000数据库从1984年开始建设至今发展的几个阶段。介绍了1994年验收的全国1:1000000地形数据库、1996年发行的中国数字地图(1:1000000,国际版)、2000年完成的全球地图中国数据集以及近期更新的全国1:1000000数据库2002版的概况、数据源和更新数据源、成果及其特点。展望了全国1:1000000数据库将持续更新、逐步丰富信息内容和与国家基础地理信息系统多比例尺数据库建立关联的发展前景。

The construction of1:1,000,000geospacial database in China has gone through several stages since1984,the paper summarized this progress and introduced the1:1,000,000topographic database which checked and accepted in1994,the digital map database of China (1:1,00,000,International Version)which published in1996,The China dataset of global map which finished in2000.The paper also described the general information,data sources,updating data source,product and character of the1:1,000,000geospacial database of2002version in detail.At last,the paper makes a prospect to the continuously updating of the database,enriching the contents of the information and making relationship with the multi-scale database of the national fundamental GIS(NFGIS).