On Thu, Mar 26, 2009 at 1:29 PM, Graeme Gill <graeme@xxxxxxxxxxxxx> wrote: > Pascal de Bruijn wrote: > >> I want to generate an image of an IT8 chart, using the >> values from the reference file. > > What sort of reference file is it (ie. CIE or device ?) I think it's a device file (not a spectral file), but I have the spectral too. >> I'm basically looking for a "trick" to edit a reference file with an image >> editing program. > > If it's a CIE reference file, are you taking about editing an Lab raster > file ? 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 want this, to be able to generate film simulation profiles. Or at least try... Regards, Pascal de Bruijn