Am 01.04.2017 um 22:03 schrieb Bald Eagle:
> Apparently some image processing programs, like Photoshop, expect a DPI setting,
> and when one is not supplied they assume 72 DPI.
> Is there a way to have POV-Ray write a specified DPI value to the file, or is
> that a big NOPE ?

It's a small nope: POV-Ray currently does not provide such a feature.
And it is questionable whether it is worth the effort, given that
virtually every image processing program that gives a dingo's kidney
about DPI provides a means to adjust that setting.

But theoretically it could be done -- at least for image file formats
that actually support such a setting.

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