一种基于FME的数字地形图数学精度检测方法

数字地形图的数学精度高效检测一直是测绘行业技术质检人员面临的核心问题之一。为减少人工繁杂的检测工作,提高检测的效率和质量,通过对FME软件的学习和研究以及对地形图3项精度检测流程的探索和分析,提出了一种基于FME的数字地形图数学精度检测方法。探讨了检测质量评定的关键技术,编写了数字地形图的3项精度检测的模板。试验结果表明,利用FME Workbench可以高效、无损地完成地形图的数学精度检测,且相较于传统的人机交互法检测法和程序软件检测法,该方法具有灵活性、易操作性、高效性等特征。

A mathematical accuracy detection method of digital topographic map based on FME

The efficient detection of mathematical accuracy of digital topographic maps has always been one of the core problems faced by technical quality inspectors in surveying and mapping industry.In order to reduce the laborious detection work and improve the detection efficiency and quality,through the study of FME software and the analysis of accuracy detection processes of topographic map,a mathematical accuracy detection method of digital topographic map based on FME is proposed,the key technology of detection quality evaluation is discussed,and the template of three precision detection of digital topographic map is compiled.The test results show that the mathematical accuracy detection of topographic map can be completed efficiently and non destructively by using FME Workbench.Compared with the traditional human-computer interaction detection method and program software detection method,this method has the characteristics of flexibility,easy operation and high efficiency.