地理信息科学中尺度概念的诠释与表达

doi:10.11947/j.AGCS.2022.20220143

摘要/Abstract

摘要： 本文对地理信息科学的尺度概念、尺度效应、尺度变换等进行了总结,提出了尺度外延与内涵联合表达的3×3尺度矩阵,深入剖析了尺度矩阵中的9个尺度子概念。基于尺度子概念的相互作用,讨论了粒度与广度的依存关系,以及时间粒度、语义粒度分别与空间粒度联合表达的基本规则。针对空间关系尺度在空间分析、空间推理中的重要意义,提出并建立了拓扑关系粒度、方向关系粒度、距离关系粒度的计算方法。在完整诠释地理信息科学中的尺度概念基础上,提出了未来关于尺度问题研究的3个方向:尺度概念形式化、尺度效应与不变性、尺度变换与知识发现。

关键词: 地理信息科学, 尺度问题, 多尺度表达, 地图综合

Abstract: This study reviews issues of scale concept, scale effect and scaling transformation in geo-information sciences. A 3×3 matrix model is presented to jointly represent scale intension and extension, as well as the exploration of 9 sub-concepts of scale branches. Based on the interaction between sub-scale concepts, the study examines the dependence between scale broadness and granularity, the consistent change rules of temporal-spatial granularity and semantic-spatial granularity. Due to the importance of spatial relationship in spatial analysis and reasoning, three relationship granularities on topological, direction and distance geometry are discussed with corresponding computation methods. After the complete interpretation of scale concepts in Geo-information sciences, the paper offers the future works on scale question including the formalization of scale concept, no-change of scale questions and role of scaling transformation in spatial knowledge acquisition.

Key words: geo-infomation science, scale problem, multi-scale representation, map generalization

中图分类号:

P208

艾廷华, 张翔. 地理信息科学中尺度概念的诠释与表达[J]. 测绘学报, 2022, 51(7): 1640-1652.

AI Tinghua, ZHANG Xiang. An interpretation and representation of scale concept in geo-information sciences[J]. Acta Geodaetica et Cartographica Sinica, 2022, 51(7): 1640-1652.

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