[argyllcms] Re: rgb printer calibration
- From: edmund ronald <edmundronald@xxxxxxxxx>
- To: argyllcms@xxxxxxxxxxxxx
- Date: Sun, 23 May 2010 21:34:48 +0200
Maybe printing in 16 bit space thru the printer driver might help?
One could generate better values close to white that way.
Edmund
On Sun, May 23, 2010 at 3:13 PM, Symphony Photography
<symphonyphoto@xxxxxxxxx> wrote:
>
>
> 2010/5/23 Radek Doulik <radek.doulik@xxxxxxxxxx>
>>
>> I have already profiled the printer without calibration, but I see
>> problems in gradients close to white when using perceptual intent (for
>> example soft shadows on white background are not smooth).
>
> Radek,
>
> With regards to smoothness of the profile I've noticed that even if your
> printer is fairly linear you might see some anomalies using the default
> settings. Assuming things are fairly linear the following might help when
> generating the profile:
>
> colprof -v -qu nameOfInputFile
>
> The -q argument sets the quality. u is the highest setting. It will take
> longer to generate the profile but consider how fast most machines are these
> days it's quite trivial. Just grab a cup of coffee and it'll be ready by the
> time you're finished.
>
> Now, if the printer is experiencing some non-linearities in that area the -q
> argument won't do a lick of good.
>
> Cheers, Joe
>
> --
> Symphony Photography
> http://www.symphonyphoto.com
>
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