http://www.gissky.net- GIS空间站

从基础地理数据、专题数据的角度,分析了城市地理空间数据的内涵,研究了各类数据更新机制中的关键问题,制定了包括更新责任机构、更新周期在内的更新策略,探索了实用的更新技术,规定了数据更新的质量检查和安全控制方案,制定了历史数据管理机制。探究了具备应用价值的城市地理空间数据更新流程,并用实验证明了更新机制和流程的可操作性。 更多还原

【Abstract】 The connotation of urban geo-spatial data(basic geographic data and thematic data) were analyzed,the strategy of party liable and updating period were set,the practical updating technology was explored,the equality inspection scheme and safety control scheme were stipulated,and the historical data management mechanism was made.The process with value of application of urban geo-spatial data updating was inquired ultimately and its maneuverability was proved as well. 更多还原