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 angle applied approach assigned assumptions attribute values basic boundaries buffer cartographic categorical coverage cell Chapter choropleth choropleth map Chrisman combination common connect construction context contour contour lines coordinates cost County Cover map create Cwmbran Dane County data quality data structure database developed digitizing distance dominance rule error evaluation example factors Figure forest geodetic geographic information system geometric gradient graphic grid implementation integrated interactions interpolation involves isolated object Isoline land levels of measurement linear mathematical matrix measurement framework method neighborhood operations neighbors node ordinal ordinal scale overlay parcel pixels plane points polygon problems procedure produce quadtree raster ratio relationships result scale simple slope soil space spatial reference system specific surement surface survey Table tion topological transformations triangles Triangulated Irregular Network units vector viewshed wetlands zones