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Using a human head to demonstrate map projections (lemmy.world)

submitted 5 months ago by FlyingSquid@lemmy.world to c/map_enthusiasts@sopuli.xyz

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[–] boojumliussnark@lemmy.world 15 points 5 months ago (11 children)

I don't quite get this. The human head, like the globe, is not flat. Shouldn't that be reflected in the projections? When projecting the earth in Mercator, we see the whole earth, not simply a "profile" of earth. I would expect a projection of a head to include the whole surface of the head, not a simple profile. How is this actually factual?

[–] frosty99c@midwest.social 22 points 5 months ago (2 children)

This is a better example

https://i.imgur.com/4P15yEq.png

[–] TachyonTele@lemm.ee 7 points 5 months ago* (last edited 5 months ago)

ptsd from modding kicks in

[–] FlyingSquid@lemmy.world 4 points 5 months ago

That is also a good explanation for how the Shroud of Turin could not possibly be an after-image of a three-dimensional person.

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