Informa4on rich tradeo just because you can see

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Unformatted text preview: No guidance about choosing color schemes –  Don’t tell them what to do, but allow them to explore op4ons •  Standard (cartographic) conven4ons –  Varia4ons in lightness are interpreted as ordering –  Dark equals more, light equals smaller values –  No more than 7 colors in a choropleth map (Legibility vs. informa4on rich tradeoff) •  Just because you can see differences doesn’t mean you can correlate color back to legend •  Important to consider borders & backgrounds 1 4/5/12 •  Mo4va4on: graphic design (not directly visualiza4on) –  Test theories of human color preferences •  Large study of human preference –  more colors, bigger sets, more users than past studies •  Color preference can have cultural 4es or ot...
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