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The Dress: perceptual madness and what it means for mappers

By John Nelson

  • There is no one right way to make a map
  • Consider environments in which your map is read
  • Don’t just rely on color names when keying a map
  • Get feedback on your maps
  • Perceptually-linear gradients
  • Use brightness for graduated color maps
  • Simple basemaps for thematic visualizations

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