[argyllcms] Re: printer profiling best practice

  • From: Roger Breton <graxx@xxxxxxxxxxxx>
  • To: argyllcms@xxxxxxxxxxxxx
  • Date: Tue, 27 Jan 2015 06:42:22 -0500

I, personally, would not make an pre-baked assumptions about "anything". 
Start, low, with a reasonable set of samples. Depending on what you have to
measure.
Satisfy yourself first that you are getting reasonable color match.
Then, when you have the time, go for the gold.

/ Roger Breton

-----Original Message-----
From: argyllcms-bounce@xxxxxxxxxxxxx [mailto:argyllcms-bounce@xxxxxxxxxxxxx]
On Behalf Of Anders Torger
Sent: 27 janvier 2015 05:05
To: argyllcms@xxxxxxxxxxxxx
Subject: [argyllcms] printer profiling best practice


Hello,

I just got myself a Canon Pixma Pro-1 printer (12 pigment inks) and like to
start experimenting with printer profiles. I've done quite a lot of reading
on forums etc, and understand that what you do with this type of printer is
that you calibrate the printer+paper+driver as a whole and see it as an RGB
device. Concerning the remaining workflows there are many vastly different
opinions though.

My application is "fine art printing" of my own photos, so absolute color
accuracy is not *that* important, it's more important that gradients are
smooth, contrast predictable etc. Hue accuracy needs to be good enough so I
don't run into surprises when I print, ie it's feasible to fine-tune colors
on my Argyll-calibrated monitor, print and get a good match.

Argyll is extremely flexible and you can make your workflow as complex as
you'd like. On the forums there are very different views on how complex you
should make them. Some print like 3000 patches, after preconditioning, and
then add some extra patches manually etc. Some think it's better to use
fewer patches.

As far as I understand these modern pigment ink jets are much more linear
than printers used to be, so you should be able to get away with fewer
patches.

I'm thinking about a workflow with 500 - 700 patches, single-pass (ie no
preconditioning). My rationale is that as the printers are more linear today
and I don't need the highest end in terms of hue accuracy it should be
enough, and I'm also thinking that with fewer patches it's more likely that
the resulting profile will render gradients smoothly.

What would you recommend?

/Anders


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