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choropleth
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Choropleth map — The US Presidential Election of 2004, visualised using a choropleth map A choropleth map (Greek χώρος + πληθαίν:, ( area/region + multiply ) is a thematic map in which areas are shaded or patterned in proportion to the measurement of the… … Wikipedia
choropleth map — a map using different densities of shading to indicate the distribution of different classes of data by administrative unit across an area … Geography glossary
choropleth map — [ kɒrə(ʊ)plɛθ] noun a map which uses shading, colouring, or symbols to show the average values of a particular quantity in different areas. Origin 1930s: from Gk khōra region + plēthos multitude … English new terms dictionary
choropleth map — /ˈkɒroʊplɛθ mæp/ (say korohpleth map) noun a thematic map displaying data determined by areas rather than other features as lines, positions, etc., with tonal shadings proportional to density by areal units. {choro(graphy) + pleth(ron) an ancient …
choropleth map — noun a map that uses graded differences in shading or color or the placing of symbols inside defined areas on the map in order to indicate the average values of some property or quantity in those areas • Hypernyms: ↑map … Useful english dictionary
Thematic map — Edmond Halley s New and Correct Chart Shewing the Variations of the Compass (1701), the first chart to show lines of equal magnetic variation. A thematic map is a type of map or chart especially designed to show a particular theme connected with… … Wikipedia
Map symbolization — Examples of possible symbols for use on maps for the National Park Service. Map Symbolization is the characters, letters, or similar graphic representations used on a map to indicate an object or characteristic in the real world. Contents … Wikipedia
Dasymetric map — of climate and plant hardiness zones. The dasymetric map is a method of thematic mapping, which uses areal symbols to spatially classify volumetric data. The method was developed and named by Benjamin (Veniamin) Petrovich Semenov Tyan Shansky and … Wikipedia
Bivariate map — A bivariate map displays two variables on a single map by combining two different sets of graphic symbols or colors. Bivariate mapping is an important technique in cartography. Given a set of geographic features, a bivariate map displays two… … Wikipedia
MacChoro — (pronounced MacKoro) was a computer program for choropleth mapping developed for early versions of the Apple Macintosh computer. A choropleth map shades areas, such as states or counties, to represent values and is mainly used for the mapping of… … Wikipedia
