基于TIN设计的地形图精度检测软件

Design Precision Examination Software of Topographic Map Based on TIN

目前国内行业商用软件如CASS、广州开思等在地形图高程精度评定方面相对较弱。以往都是采用手工逐点量距内插计算检测点位的高程并进行高程中误差统计,若碰到几百个检测点,手工计算工作量非常大而且容易出错,因此根据工作需要研制开发基于AutoCAD平台的地形图精度检测软件就变得很有意义,借助程序计算代替传统的手工计算使得工作效率大为提高。实践证明,软件设计思路明晰,算法可靠。

Commercial software,such as CASS and Guangzhou KAISI which are widely used in domestic SM industry,are relatively weak in terms of Elevation accuracy evaluation.In the past,the elevation is calculated by manual interpolation then carries out statistics work of the elevation RME.If encountering hundreds of checkpoints or even more,the workload is enormous and manual calculation error is prone.So it is very necessary and meaningful to research and develop,based on AutoCAD platform,topographic map accuracy testing software.Instead of using traditional manual calculation,it makes efficiency of calculation greatly improved.Practice shows that the design ideas is clear,algorithm is reliable.