摘要
GIS空间数据质量的好坏是 GIS可靠性、实用性、效益性的关键,本文根据 GIS数据的流程系统地分析了GIS空间数据的误差类型、来源,并且探讨了改善GIS数据精度的方法。
The key of GIS reliability , practical,beneficial is whether the quality of GIS space data is bad o not. In this paper, the GIS space data error is made a systematic analysis in accordance with the GIS data flow The method of improving the data precison is studied.
出处
《江苏测绘》
1998年第3期18-21,共4页
Jiangsu Surveying and Mapping
