文献类型：期刊文献

中文题名：地理信息尺度的三重概念及其变换

英文题名：Three-Tiered Concepts of Scale of Geographical Information and Its Transformation

作者：刘凯[1];毋河海[2];艾廷华[2];秦耀辰[3]

第一作者：刘凯

通讯作者：Liu, K.

机构：[1]河南财经学院资源与环境科学系;[2]武汉大学资源与环境科学学院;[3]河南大学环境与规划学院

第一机构：河南财经政法大学资源与环境学院

通讯机构：[1]Department of Resources and Environment Science, Henan University of Finance and Economics, 80 Wenhua Road, Zhengzhou 450002, China

年份：2008

卷号：33

期号：11

起止页码：1178-1181

中文期刊名：武汉大学学报：信息科学版

外文期刊名：Wuhan Daxue Xuebao (Xinxi Kexue Ban)/ Geomatics and Information Science of Wuhan University

收录：CSTPCD;;EI(收录号：20084911768144);Scopus(收录号：2-s2.0-56849118750);北大核心:【北大核心2004】；CSCD:【CSCD2011_2012】；

基金：国家自然科学基金资助项目(40671154)

语种：中文

中文关键词：地理信息;三重概念;尺度变换

外文关键词：geographical information ; three-tiered concepts ; transformation of scale

摘要：提出了地理信息广义尺度的三重概念体系,解释了它们各自的涵义及其笛卡儿积的意义,讨论了广义尺度变换问题。
At first, the connotation and the dimension of scale of geographical information are extended to full the need of describing the every aspects of it; and three types of concepts of its scale are defined as： dimensions of scale, kinds of scale, components of scale. The dimen sion of scale of geographical information is consisted of spatial dimension, temporal dimen- sion and semantic dimension. The classifications of scale of geographical information are of phenomena scale, measure scale and token scale. The components of scale of geographical information are of extension, granularity（resolution） and frequence. At last the transform of scale of geographical information and issue of scale choice are discussed.