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Acrobat 7’s maximum PDF size limit (381 km²) overlaid on Germany (lemmy.world)

submitted 1 week ago* (last edited 1 week ago) by FlyingSquid@lemmy.world to c/map_enthusiasts@sopuli.xyz

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[–] lord_ryvan@ttrpg.network 35 points 1 week ago (6 children)

Some questions...

How is this measured in sq km, rather than something digital such as pixels?
Why is it 381? How did they arrive at that number?
Why is there any limit at all, if it's this big?

[–] dohpaz42@lemmy.world 48 points 1 week ago* (last edited 1 week ago) (2 children)

Beginning with PDF 1.6, the size of the default user space unit may be set with the UserUnit entry of the page dictionary. Acrobat 7.0 supports a maximum UserUnit value of 75,000, which gives a maximum page dimension of 15,000,000 inches (14,400 * 75,000 * 1 ⁄ 72). The minimum UserUnit value is 1.0 (the default).

15 million inches happens to be exactly 381 km Source

[–] gressen@lemm.ee 16 points 1 week ago (1 children)

That's sooooo arbitrary.

[–] Arigion@feddit.org 14 points 1 week ago

True. But thankfully most of the world uses centimetrs instead of inches nowadays. 😉

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