The importance of the spatial data quality estimation is stated. The existing estimation methods and the problems are introduced and the quality evaluation model of DLG based on the fuzzy integrated evaluation method is used.

• 阐述了空间数据质量评价的重要性,介绍了现有质量评价方法及其存在的问题,并应用基于模糊综合评价方法的扫描矢量化地图产品(DLG)质量评价模型进行了空间数据质量评价。