Getting Started with Geographic Information SystemsThis 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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Page 131
... example , values could be text , number , decimal val- ue or units such as meters , vehicles per hour , and so on . 2. What is the legitimate range of the values ? For example , percentages should be be- tween 0 and 100. Are negative ...
... example , values could be text , number , decimal val- ue or units such as meters , vehicles per hour , and so on . 2. What is the legitimate range of the values ? For example , percentages should be be- tween 0 and 100. Are negative ...
Page 156
... example . Compute can be given a spatial context as distance , length , area , or volume computa- tions and transformations . For example , we could generate a new map that contains the distance to the nearest point feature , the ...
... example . Compute can be given a spatial context as distance , length , area , or volume computa- tions and transformations . For example , we could generate a new map that contains the distance to the nearest point feature , the ...
Page 300
... example . Recent trends have shown that these services have become more willing to help on a project - by - project basis . New GIS projects especially often require digitizing and scanning even before basic operations can begin . The ...
... example . Recent trends have shown that these services have become more willing to help on a project - by - project basis . New GIS projects especially often require digitizing and scanning even before basic operations can begin . The ...
Contents
GISs Roots in Cartography | 40 |
Maps as Numbers | 73 |
Getting the Map into the Computer | 112 |
Copyright | |
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Common terms and phrases
allows applications Arc/Info attribute data called capabilities cartographic census Chapter choropleth map CODES color common coordinate system coregistration data format data model data set data structure database management DBMS digital map display distribution earth elevation ellipsoid environmental error ESRI example Figure flat file functions gender ratio geocoding geographic coordinates Geographic Information Systems GIS data GIS packages GIS software GIS systems GIS user GISS GPS receivers graphic graphical user interface grid cell gypsy moth HPGL Internet layers Magellan map data map projection map type means measurements meters microcomputer nodes operating system pixel polygon query raster records remote sensing retrieval Santa Barbara satellite scale scanning spatial analysis spatial data statistical stored surface symbols TIGER tion topology Trimble U.S. Census Bureau United Unix user interface USGS usually values visual workstation