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Elsevier (mander.xyz)

submitted 5 months ago by [email protected] to c/[email protected]

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[–] [email protected] -2 points 5 months ago (8 children)

You're pushing it through one system that converts a PDF file into printer instructions, and then through another system that converts printer instructions into a PDF file. Each step probably has to make adjustments with the data it's pushing through.

Without looking deeply into the systems involved, I have to assume it's not a lossless process.

[–] [email protected] 6 points 5 months ago (5 children)

You should maybe look a bit more into it. How do you think commercial printers or even hobbyists maintain fidelity in their images? Most images pass through multiple programs during the printing process and still maintain the quality. It’s not just copy/paste.

[–] [email protected] -4 points 5 months ago (3 children)

They maintain a high quality but not lossless.

As a trivial example, if you use the wrong paper size (like Letter instead of A4) then it might crop parts of the page or add borders or resize everything. Again I'll admit, in 99% of cases it doesn't matter, but it might matter if, say, an embedded picture was meant to be exactly to scale.