GEOB 270 Lecture Notes - Lecture 1: Spatial Database, Spatial Analysis, Data Structure
25 Dec 2016
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Document Summary
What is gis: (cid:862)co(cid:373)puter mappi(cid:374)g(cid:863), patial a(cid:374)alysis, a set of tools for collecting, storing, retrieving at will, transforming and displaying spatial data from the real world for a particular set of purposes, many different definitions of gis. Each discipline has own way of looking at things. Gis acronyms (3 versions: geographic information systems: gis viewed as tool for analysis. Map view: gis = set of intelligent maps and other views, showing features and feature relatio(cid:374)ships o(cid:374) earth"s surfa(cid:272)e. Database view: gis = unique kind of database in the world; geographic database(geodatabase) Model view: gis = set of information transformation tools that derive new geographic datasets from existing datasets by applying analytic functions: geographic information science: scientific discipline, viewed as academia, geospatial information studies: viewed as broad-interdisciplinary field. Gis: pays attention to the system aspect: several components: People (hard to remove human analysis: all interacting in a network.
