Exploring Geographic Information Systems
Geographic Information Systems (GIS) is the organized activity by which people:
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BUILDING BLOCKS OF GEOGRAPHIC INFORMATION
The Conventional View
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accuracy algorithm analysis angle applied approach assigned assumptions attribute values basic boundaries buffer cartographic categorical coverage cell Chapter choropleth choropleth map Chrisman combination common complex connect construction contour contour line coordinates cost create Cwmbran Dane County data model data quality data structure database developed digitizing distance dominance rule error evaluation example factors Figure forest geographic information system geometric graphic grid implementation integrated interactions interpolation involves isolated object land levels of measurement linear mathematical matrix measurement framework method neighborhood operations neighbors ordinal ordinal scale overlay parcel pixels plane points polygon problems procedure produce quadtree raster raster representation ratio relationships remote sensing 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