[argyllcms] Profiling a Minilab

  • From: Pascal de Bruijn <pmjdebruijn@xxxxxxxxx>
  • To: argyllcms@xxxxxxxxxxxxx
  • Date: Sat, 3 Jul 2010 17:08:24 +0200

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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