The data of GIS include space data and property data. Position errors are mainly from errors of direct measurement, digitalization of map, data input and store.
位置误差主要来源于直接测量的误差、地图数字化的误差遥感数据的误差、数据转换误差、数据输入与存储误差。
The data of GIS include space data and property data. Position errors are mainly from errors of direct measurement, digitalization of map, data input and store.
位置误差主要来源于直接测量的误差、地图数字化的误差遥感数据的误差、数据转换误差、数据输入与存储误差。
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