宝鸡市大比例尺电子地图库新旧符号转换

The Old and New Symbol Conversion of Large-scale Eectronic in Baoji

利用现有的大比例尺电子地图库中数据,根据国家基本比例尺地形图图式的要求,运用新旧符号对比作,进行新旧符号的转换,解决了新旧符号定位点变化问题,合理精简原有数据库电子地图的点、线、面的分层,重新建立宝鸡市电子地图库数字化管理体系,全面提高大比例尺电子地形图的作用和服务水平,实现高效的服务水平。

Through the existing large scale electronic library data,according to the national basic scale topographic map schema requirements,using the old symbol contrast produced,will carry on the new and old code conversion,solve the new symbol location change,reasonable simplify database electronic map point,line,surface layer,to build Baoji City Electronic Map library digitization management system,comprehensively improve the large scale topographic map electronic effect and service level,to achieve efficient service level.