[argyllcms] Re: Very poor results with 1000+ patch target.
- From: <robert@xxxxxxxxxxxxxxxxxx>
- To: <argyllcms@xxxxxxxxxxxxx>
- Date: Sat, 4 Oct 2014 21:21:47 +0100
Regarding watercolour papers I would also add Canson Arches Aquarelle Rag: a
really beautiful paper.
Robert
-----Original Message-----
From: argyllcms-bounce@xxxxxxxxxxxxx [mailto:argyllcms-bounce@xxxxxxxxxxxxx]
On Behalf Of Ben Goren
Sent: 04 October 2014 19:46
To: argyllcms@xxxxxxxxxxxxx
Subject: [argyllcms] Re: Very poor results with 1000+ patch target.
On Oct 4, 2014, at 11:30 AM, Robert@xxxxxxxxxxxxxxxxxx wrote:
> In general you seem to be doing the right thing.
Yes, but another thing I'd suggest: before comparing output with a
photograph of original artwork, compare output with a synthetic file of a
color chart. For example, use your ColorMunki to measure the patches of a
ColorChecker and create a Photoshop file that has square patches in the same
arrangement with the same Lab values as the ColorMunki read, and compare the
original ColorChecker with a print of your synthetic one. And if you don't
have SoLux or comparable artificial lights to view the prints with, compare
them in actual outdoors (or through-the-window) sunlight.
The problem could just as easily be your initial capture of the watercolor
-- and, more likely, a combination of a mixture of variables.
What you're aiming to do is most emphatically possible; I myself make prints
of watercolors that the original artist has to pore over side-by-side with
the original to spot the differences.
One other suggestion: watercolor papers lack inkjet-receptive coatings and
thus don't offer very good gamuts. High quality watercolor papers (such as
Arches) generally produce not-miserable inkjet prints, but you're unlikely
to get the saturation and shadow density of the original. You have two
options: you can apply a coating to the paper (doable, but much easier said
than done) or you can use a quality fine art inkjet paper instead. If you
can get your hands on Canon's Fine Art Watercolor paper, that's an excellent
choice; a superlative choice is Museo Portfolio Rag.
Cheers,
b&
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