This dissertation presents some quality control theory and methods on the data of digitalized map.
2
地形图扫描数字化为GIS数据源的一种重要获取手段,已经成为地图数字化的主流。
The topographic map scanning digitization is an important acquisition method for GIS data, which has become the mainstream of the map digitization.
3
目前地理信息系统,获取空间据数据的技术是采用地图数字化,从而增加了大量的重复工作。
The technology of acquiring space information data is introducing the map digitisation at present, so that large quantities of works repeated are increased.