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 105
... data structure . area : A two - dimensional ( area ) feature represented by a line that closes on itself to form a boundary . array : A physical data structure for grids . Arrays are part of most computer programming languages , and can ...
... data structure . area : A two - dimensional ( area ) feature represented by a line that closes on itself to form a boundary . array : A physical data structure for grids . Arrays are part of most computer programming languages , and can ...
Page 232
... structure . As we saw in Chapter 4 , at the very least the underlying data structure that the GIS uses , typically raster or vector but potentially also TIN , quadtree , or another model , such as ... Data Structures Choosing the Best GIS.
... structure . As we saw in Chapter 4 , at the very least the underlying data structure that the GIS uses , typically raster or vector but potentially also TIN , quadtree , or another model , such as ... Data Structures Choosing the Best GIS.
Page 298
... data structures , and in some cases many others besides . This has become the sort of single superflexible data structure that many sought to develop in the early days of GIS research . Instead of one structure winning out , GIS ...
... data structures , and in some cases many others besides . This has become the sort of single superflexible data structure that many sought to develop in the early days of GIS research . Instead of one structure winning out , GIS ...
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 nodes operating system pixel polygon query raster records remote sensing retrieval Santa Barbara satellite scale scanning spatial analysis spatial data standard deviation statistical stored surface symbols TIGER tion topology Trimble U.S. Census Bureau United Unix user interface USGS usually values visual workstation