On Thu, Mar 26, 2009 at 9:01 PM, Pascal de Bruijn <pmjdebruijn@xxxxxxxxx> wrote: > On Thu, Mar 26, 2009 at 6:56 PM, Lars Tore Gustavsen > <lars.tore@xxxxxxxxxxxxxx> wrote: >> On Thu, Mar 26, 2009 at 6:01 PM, Pascal de Bruijn <pmjdebruijn@xxxxxxxxx> >> wrote: >>> On Thu, Mar 26, 2009 at 2:22 PM, Graeme Gill <graeme@xxxxxxxxxxxxx> wrote: >>> >>> >>>>> Not exactly, preferably to RGB... Not all image editor can handle Lab. >>>>> >>>>> And I'd like to read back the RGB, to generate a newly (edited), >>>>> reference file... >>>> >>>> I thought that's what I outlined last time. >>> >>> I'm probably confusing terminology, which in turn is confusing you :) >>> >>> The point of the exercise would be to read back the edited image, >>> as a new similar (but edited) reference file. >>> >>> 1. Convert R080505.txt into an image of an IT8 chart, with the patch colors >>> generated from the text file. >> >> >> I just had to play with this. Do you mean something like this: >> >> sed -n '17,304p' R080505.txt |awk '{print "convert -colorspace LAB >> -size 118x94 \"xc:LAB("$5"%,"$6"%,"$7"%)\" " $1".png\n"}' > run.sh >> >> Then you have to join them. I think there is a hint for that in the >> url posted above. I have to play with the kids now.. > > I was already fiddling with your scripts, adapting it. I attached my > results. And > scanin does recognize the image. > > Now I need to see if I can read back the image as a reference file, with > (nearly) identical values. But that's something for tomorrow. Scanning back isn't that hard. I've included that script as well. However, for the conversion from the reference file, to the image, I have no explicit color space defined. So that's probably why the read back data it's matching the original data. Regards, Pascal de Bruijn