| 矢量GIS平面随机线元等概率密度误差模型的概率算法 |
| |
| 引用本文： | 汤仲安,史文中.矢量GIS平面随机线元等概率密度误差模型的概率算法[J].武汉大学学报(信息科学版),2006,31(8):736-739. |
| |
| 作者姓名： | 汤仲安 史文中 |
| |
| 作者单位： | [1]中南大学信息物理工程学院,长沙市麓山南路410083 [2]湖南省国土资源信息中心,长沙市人民中路152号410011 [3]香港理工大学土地测量与地理资讯学系,香港九龙红磡 |
| |
| 基金项目： | 中南大学校科研和教改项目;国土资源部百名优秀青年科技人才计划 |
| |
| 摘 要： | 研究了基于误差模型包络点的概率算法，并与基于随机线元法平面的概率算法进行了比较。实例计算与可视化分析发现，两种概率算法对应的概率计算值近似，Tepdem及其边界包络线一致，且前者适用于随机线元，而后者更具有通用性。
|
| 关 键 词： | 随机线元 概率 算法 误差模型 |
| 文章编号： | 1671-8860(2006)08-0736-04 |
| 修稿时间： | 2006年5月8日 |
Probability Algorithm for Equivalent Probability Density Error Model to 2D Random Linear Segment in GIS |
| |
| TANG Zhong'an.Probability Algorithm for Equivalent Probability Density Error Model to 2D Random Linear Segment in GIS[J].Geomatics and Information Science of Wuhan University,2006,31(8):736-739. |
| |
| Authors: | TANG Zhong'an |
| |
| Institution: | TANG Zhong'an~ |
| |
| Abstract: | A probability algorithm based on the envelop points of the equivalent probability density error model(marked as Tepdem) is put forward,then the probability algorithm based on the normal plane of the random line segment is compared with the former.A case study is conducted and the results are visualized and analyzed.It is discovered that Tepdem and its corresponding boundary envelop as well as the probability calculation value are same under both of the probability algorithms,and the former is suitable for the random linear segment while the latter is more general for the probability calculation of the linear entity in vector GIS. |
| |
| Keywords: | GIS |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ |
