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I am in the process of constructing an un-classed, trivariate choropleth map of Africa. By utilizing the RGB spectrum, variable “A” receives a Red value (0-255 in Illustrator), “B” a Blue value, and “C” a Green value. The resulting values give each country a unique color. Everything was going smoothly until I tried to build a legend.
I understand a single un-classed variable is represented by a line,
An un-classed bivariate is represented by a square,
But if I’m not interested in going interactive, how can I show an un-classed trivariate legend on paper?
Trivariate Choropleth
Started by
bZ27
, Jan 28 2010 03:55 PM
2 replies to this topic
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#2
Posted 29 January 2010 - 01:49 AM
Hans van der Maarel
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But if I’m not interested in going interactive, how can I show an un-classed trivariate legend on paper?
Equilateral Triangle, map one of your variables along each of its sides. I think I have a textbook showing a sample around here somewhere.
Hans van der Maarel - Cartotalk Editor
Red Geographics
Email: hans@redgeographics.com / Twitter: @redgeographics
Red Geographics
Email: hans@redgeographics.com / Twitter: @redgeographics
#3
Posted 29 January 2010 - 04:57 AM
frax
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I'd be curious to see what this map looks like - I can't help to be quite sceptical to the communication/interpretation of such a map, but it sounds interesting!
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