福建省数字城市大比例尺DLG数据质量问题及检查方案研究

随着大比例尺DLG数据的广泛应用,其数据质量检查是控制数据质量的重要环节。本文针对以大比例尺地形图为数据源的DLG数据,从生产实际出发,结合其数据特点,针对现有的数据质量问题,从检查内容和检查方式上制订了数据检查方案,为数据质量检查工作给予一定的参考,提高数据质量检查的效率与准确度。

Research on the Data Quality of Large Scale DLG Data of Digital City in Fujian Province

With the widely application of the large scale DLG data , the data quality checking is an important part of the control of data quality.This paper used the DLG data with the topographic map as the data source , starting from the production , combined with its data characteristics , for existing data quality , we have developed data from the inspection program check the contents and check the way, to give some references to data quality inspection work , improve the efficiency and accuracy of data quality checks .