[argyllcms] Re: Profiling a Minilab
- From: edmund ronald <edmundronald@xxxxxxxxx>
- To: argyllcms@xxxxxxxxxxxxx
- Date: Sat, 3 Jul 2010 17:28:54 +0200
minilabs are rgb devices; and there's no point in so many patches, a
few hundred are ok. But I would recommend a single sheet.
Edmund
On Sat, Jul 3, 2010 at 5:08 PM, Pascal de Bruijn <pmjdebruijn@xxxxxxxxx> wrote:
> Hi,
>
> I just sent some images to a MiniLab to profile...
>
> It's 1950 patches (10 pages x 195 patches), using Print RGB and 64
> single channel steps (which are CMY steps).
>
> Now, I should have done my homework better before sending these images
> (I can't cancel them anymore), but it seems Minilabs are actually
> real RGB devices? Can anybody confirm this? Should I have used Video
> RGB?
>
> These were the exact command I used:
>
> argyll-targen -v -d2 -G -e 10 -s 64 -g 128 -f 1950 argyll
> printtarg -v -i CM -h -t 300 -R 1337 -M 6 -p 200x300 argyll
> for TIFF in *.tif; do
> convert -quality 97 $TIFF `echo $TIFF | sed 's/\.tif.*/\.jpg/g'`
> done
>
> And no, the Lab didn't accept TIFFs (ImageMagick JPEG Q97 disables
> subsampling). They did however offer a "no auto correction" mode :)
>
> Considering the fact that I used 1950 patches, I should still be able
> to generate good medium quality profiles from the charts, right?
>
> Regards,
> Pascal de Bruijn
>
>
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