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Why it's better not to add scale bars to world maps
https://observablehq.com/@neocartocnrs/geoviz-scalebar?collection=@neocartocnrs/geoviz

Why it's better not to add scalebars to world maps

In the `geoviz` library, the `layer.scalebar` function adds a scalebar to the map. Adding a scalebar on maps is essential at local scale. But it's highly questionable at global scale.
Observable
grin
grin  
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why you should handpick your projections 😉
grin
grin  
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Visualisation of #projection distortion on Dymaxion projection, one of the probably "best" projection since it distorts the least compared to others.
You can add scale bars here, but not a compass rose. 🙂
#map
Dymaxion map projection with lot of almost-circle red blobs (Tissot's indicatrix) visualising the minimal area distortion.
#map #projection
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