Description
An informal introduction to the technology used in many disciplines to measure, represent, manipulate, and transform geographic phenomena. Emphasizes the geographical information at the core of all the complicated calculations and glittering computers. Covers the building blocks of geographic information, transformations and operations, evaluation and implementation, and the social and institutional contexts. An associated web site carries the treatment beyond the pages. Illustrated in black and white. Annotation c. by Book News, Inc., Portland, Or.
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This 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.
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