等高线插值实现及其精度分析  

Realization of Contour Interpolation and Its Precision Analysis

作　　者：罗伏军[1] 李海[1] 于凤伟 

机构地区：[1]国家测绘产品质量检验测试中心,北京100830 [2]黑龙江省第五测绘地理信息工程院,黑龙江哈尔滨150081

出　　处：《测绘与空间地理信息》2016年第8期61-62,共2页Geomatics & Spatial Information Technology

基　　金：测绘地理信息公益性行业科研专项经费项目(201512018)资助

摘　　要：提出了搜索半径、方位角、地形特征线等一系列用来约束插值过程的概念和规则,用以保证等高线插值的准确性,并采用中误差、拟合优度、偏差率等评价模型对插值结果进行精度评估。同时,本文也对高程检测点位的选取提出了积极建议,有利于规范高程检测点的选取。最后,基于Arc GIS平台,设计开发了相关插件,实现了利用距离权倒数法进行等高线插值及统计结果的报表化输出。This article introduces the principle and process of contour interpolation,and proposed search radius,azimuth,terrain feature lines to constrain the interpolation process and a series of concepts and rules to ensure the accuracy of the interpolation.Use error,goodness,error rate to evaluate model of interpolation results.This article also selects elevation monitoring sites put forward positive proposals,it will help standardize the selected detection point elevation.Based on the Arc GIS platform,design and development of the related plug-ins,realized by using inverse distance weight method of contour interpolation and statistical results report output.

关 键 词：距离权倒数 空间插值 拟合优度 高程精度 

分 类 号：P207[天文地球—测绘科学与技术]