CAJ | 학술논문

本文以南京长江河道的水下地形数据数字化为例,通过对数字化数据质量的检查,分析了影响数据质量的主要因素—拓扑错误,并设计了批量检查修改拓扑错误的算法。通过设计开发针对高程属性检查的数据质量检查软件,提高数据质量检查的效率,保证数字化水下地形数据的质量。
본문이남경장강하도적수하지형수거수자화위례,통과대수자화수거질량적검사,분석료영향수거질량적주요인소—탁복착오,병설계료비량검사수개탁복착오적산법。통과설계개발침대고정속성검사적수거질량검사연건,제고수거질량검사적효솔,보증수자화수하지형수거적질량。
Taking the underwater topographic vector data of the Yangtze river in Nanjing as an example,this article examined the quality of vector data,analyzed topographic error — the main factor that affected the data quality and designed the algorithm for modifying a batch of topographic errors.This software is designed for examining the attribute of elevation,which improves the efficiency of examining the data quality and guarantees the quality of digitized underwater vector data.