clipka <ano### [at] anonymousorg> wrote:
> Am 02.04.2017 um 06:08 schrieb Thorsten Froehlich:
> > "Kenneth" <kdw### [at] gmailcom> wrote:
> >> That's an interesting question. Which I don't know the answer to :-P
> >>
> >> But I work around it in Photoshop: If I need to change an image's DPI, for
> >> printing or whatever, I just go into IMAGE/IMAGE SIZE and fiddle with the
> >> resolution there, then re-save it. (If the image is PNG, that's a lossless
> >> re-save, quality-wise; but if JPEG, then a 2nd compression quality-loss is
> >> incurred... which I usually live with.)
> >>
> >> That said, it would be nice to be able to specify a DPI setting in POV-Ray.
> >
> > You do realise that it is pointless to add some arbitrary number to an image
> > file? Apart from the fact that misc image formats, JPEG included, don't have a
> > standard DPI flag? - It isn't surprising either, as there is absolutely no use
> > for it ... I might also add that this discussion comes up every few years. So
> > maybe search the newsgroups for the many answers in that regard.
>
> If the image is intended to be printed, there /is/ use for it. You might
> argue that it's not a strong enough case, but just because you don't see
> a use case doesn't mean there is none at all.

At least I am in good company:
http://news.povray.org/povray.general/thread/%3CpdbNOSPAM-66C5AC.10595417092005%40news.povray.org%3E/

Post a reply to this message