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摘要:
中华人民共和国1:250万数字地质图空间数据库，于2000年立项，2001年完成，历时2年。该数据库除主数据库外，还有地理底图数据库及地理内容属性库，地质内容属性库、色标库、线型库、花纹库、符号库、图例库等构成。具有可按地质内容、行政区、任意空间范围及地理内容进行检索和自动输出成图、自动绘制地质体符号、自动形成图例等功能。1:250万比例尺数字地质图空间数据库的建成弥补了该领域的空白。对显示和提高我国大陆地质研究程度，总结和体现我国地质的总体特征，为经济建设、国土资源管理、地质调查研究等方面提供基础地质资料，具有重要意义。
Abstract:The People's Republic of China 1:2500000 digital geologic map space database was completed in 2001, after a two-year project. In addition to the main database, the database is composed of a geo-map database and geographic content attribute library, geologic content attribute library, color library, linear library, pattern library, symbol library and legend library. It includes the geologic content, administrative areas, arbitrary space and geographical content of the search and automatic output mapping, automatic drawing of geologic symbols, automatic legend and other functions. Database content includes:the People's Republic of China 1:2500000 vector geologic map 1, consisting of 0.7 GB of data. The 1:2500000 scale digital geologic map of the spatial database makes up for the gaps in the field. It is of great significance to show and improve the degree of geologic research in mainland China, to summarize and reflect the overall characteristics of China's geology, and to provide basic geologic data for economic construction, land and resources management, geologic survey and so on.
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Key words:
- 1:2500000 digital geologic map /
- space database /
- MapGIS /
- ARC/INFO
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