different between isopleth vs choropleth

English

Etymology

From iso- +? Ancient Greek ?????? (plêthos, “a great number”).

Noun

isopleth (plural isopleths)

1. A line drawn on a map through all points having the same value of some measurable quantity.

   Synonyms: isoline, isarithm, isogram, isopract

2. (thermodynamics) A line in a phase diagram indicating the same mole fraction.

Hyponyms

For a complete list of types of isopleth, see Category:en:Isolines.

Related terms

• plethora

Translations

See also

• contour line

Anagrams

• helistop, hoplites, spoileth

English

Noun

choropleth (plural choropleths)

1. (sometimes attributive) Ellipsis of choropleth map.
   • 2008, Nicholas J. Tate, Peter F. Fisher, David J. Martin, Chapter 13: Geographic Information Systems and Surfaces, John P. Wilson, A. Stewart Fotheringham (editors), The Handbook of Geographic Information Science, page 241,

     An elevation matrix approximation provides us with very small, regularly placed units which can overcome many of the problems of choropleth representation.

   • 2012, R. B. Thapa, R. C. Estoque, 6: Grographically Weighted Regression in Geospatial Analysis, Yuji Murayama, Progress in Geospatial Analysis, page 90,

     Previous approaches to mapping the results of GWR have primarily employed an equal-step classification and sequential no-hue color scheme for choropleth mapping of parameter estimates.

Related terms

• choroplethic