Exploring Geographic Information SystemsThis exploration of geographic information and geographic information systems (GIS) expands the discussion beyond the normal input-processing-output sequence. It begins by examining the manipulations that support analytical uses of GIS, including measurement and frameworks, representations, data quality, transformation and operations, parametric mapping, simple logic and overlay, taxonomy, distance transformations and surfaces. It then moves on to discuss operations that connect the practical exercises in the book to professional applications of GIS techniques in bureaucratic, social and cultural contexts. |
Contents
BUILDING BLOCKS OF GEOGRAPHIC INFORMATION | 1 |
The Conventional View | 8 |
Reference Systems | 17 |
Copyright | |
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accuracy analysis applied approach assigned assumptions attribute basic become boundaries buffer cartographic cell Chapter combination common connect considered construction continuous contour coordinates cost County cover coverage create data structure database described developed digitizing direct distance elements error evaluation example factors Figure forest geographic information geometric given graphic implementation important Information Systems integrated interactions International involves isolated kind land limited matrix meaning measurement framework method neighborhood neighbors objects operations organized original overlay particular points polygon possible problems procedure produce raster ratio records reference system region relationships represent representation result rules scale selected sense simple single slope soil space spatial specific structure surface survey Table tion transformations triangles units usually various vector wetlands whole zones