Am Donnerstag, 4. Dezember 2014, 21:51:54 schrieb Richard Levitte: > In message <[email protected]> on Thu, 04 Dec 2014 > 21:15:48 +0100, Togan Muftuoglu <[email protected]> said: > > toganm> >>>>> "parafin" == parafin <[email protected]> writes: > toganm> > toganm> parafin> Why would you want to set PPI to 72 for web content? It > doesn't toganm> parafin> matter at all unless you print. And even then > this metadata is toganm> parafin> usually overridden by print settings. > toganm> > toganm> I prefer to upload to those places with the lowest resolution, > personal preference > > Thing is, it makes no practical difference on web sites. A web site > will render images at a certain amount of pixels (resampling it on the > fly if needed) and won't give a flying f* about what DPI/PPI setting > the image has. > > However, I would still like to have a way to give export sizes in > centimeters/inches/whatever and dpi, simply because there are cases > where that's the more practical thing. Say I want to print an image > at 30x40cm and I know that the optimal DPI for my favorite printer is > 300DPI. Darktable could calculate the amount of pixels for me.
In order for that to work I would first like to have upscaling capabilities. Currently you could enter something bigger than your crop allows, too, but when doing it with real world units and PPI it gets even more hidden if your image actually allows the requested size. So, I agree that it might be a nice feature, but it's not straight forward to implement (in a good way). Until then I would appreciate a feature request in our bug tracker. Tobias
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