Getting started with geographic information systems
This best-selling non-technical, reader-friendly introduction to GIS makes the complexity of this rapidly growing high-tech field accessible to beginners. Clearly linking theory and practice, it uses a "learn-by-seeing" approach that features clear, simple explanations, an abundance of illustrations and photos, and generic practice labs for use with any GIS software. Comprehensive and integrated, it provides single-volume coverage of necessary topics drawn from cartography, GIS, spatial analysis, and quantitative methods. What Is a GIS? GIS's Roots in Cartography. Maps as Numbers. Getting the Map into the Computer. What Is Where? Why Is It There? Making Maps with GIS. How to Pick a GIS. GIS in Action. The Future of GIS. For anyone interested in a hands-on introduction to Geographic Information Systems.
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allows applications Arc/Info attribute data called capabilities cartographic census Chapter choropleth map color coordinate system data formats data model data set data structure database management DBMS deﬁned deﬁnition digital map digitizing tablet display distribution earth elevation ellipsoid error ESRI example ﬁeld Figure ﬁle ﬁnd ﬁrst ﬂat ﬁle ﬂow functions gender ratio geocoding geographic coordinates Geographic Information Systems GIS data GIS packages GIS software GIS systems GIS user GPS receivers graphic graphical user interface grid cell HPGL infonnation Intemet layers map data map projection map type means measurements meters microcomputer nodes numbers operating system pixel polygon query raster records remote sensing retrieval satellite scale scanning scientiﬁc signiﬁcant spatial analysis spatial data speciﬁc standard deviation statistical stored surface tion topology U.S. Census Bureau United Unix user interface USGS usually values visual workstation