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thematic map |
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thematic map(Data West Research Agency definition: see GIS glossary.) A map that displays the spatial distribution of an attribute that relates to a single topic, theme, or subject of discourse. Usually, a thematic map displays a single attribute (a "univariate map") such as soil type, vegetation, geology, land use, or landownership. For attributes such as soil type or land use ("nominal" variables), shaded maps that highlight regions ("polygons") by employing different colors or patterns is generally wanted. For other attributes (like population density - a "metric" variable), a shaded map in which each shade corresponds to a range of population densities is generally wanted. |
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Through the linkage of the 6-digit county geo-code, the incidence of HFRS at county level was displayed on the base map with administrative boundaries and then converted to a raster map, which was overlaid on the thematic maps of the landscape elements. The parish plans and the few special thematic maps documenting their use remain as a testament to this unique, Australian way of life. This group of users also requests demographic information on Tempe, including thematic maps of calls for service; specific information on crimes and calls for service, such as burglary and disturbing the peace (e. |
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