Choropleth maps are a widely used form of thematic mapping in which geographic areas are shaded using graduated colors to represent numeric values. Each area—typically a census unit or administrative ...
John Gerth, of the computer science department at Stanford, sent a link to a powerful illustration, by Latoya Egwuekwe, of the spreading effects of unemployment across the country during this ...
A map can turn a flat table of coordinates into something you can read in seconds, and that is the real value of geospatial data visualization tools. They help you convert geographic data and ...
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