Re: Cyan overlay when printing with Epson 3800
Re: Cyan overlay when printing with Epson 3800
- Subject: Re: Cyan overlay when printing with Epson 3800
- From: MARK SEGAL <email@hidden>
- Date: Fri, 13 Jul 2012 18:49:46 -0700 (PDT)
Edmund,
I don't think you exactly got the gist of what Andrew is saying. Maybe I don't either - but I think I did. There needs to be more technical coordination and cooperation between the providers of operating systems, printer drivers and profile makers to thoroughly test these products under all kinds of configurations. The complexity of the systems themselves is multiplied by the number of different configurations of models and versions of everything that individual practitioners are using. The companies should be encouraging the kind of coordination needed to head problems off at the pass, rather than erecting the kind of barriers Andrew mentioned in his last post. The notion that people should pay money to spend their own time for free and then be told their advice won't be used is outrageous and counterproductive.
There are two requirements for improving coordination between the players: (1) the companies themselves need to be willing to support it, and (2) a locus needs to be identified to do the coordination. Once those two requirements are in place, very much like Adobe has been doing for pre-release versions of Lightroom, a multitude of experienced and knowledgeable practitioners with a wide variety of production environments should be invited to test forthcoming software in their own configurations, report bugs to the coordinating locus, whose responsibility it would be to forward these issues to the vendors and have a follow-up system in place that keeps them talking to each other as needed until the reported problems are replicated (for diagnostiscs) and resolved. This doesn't require blaming anyone for anything, but simply gets things fixed, preferably before marketing but afterward as needed, in a coordinated manner.
Until this kind of change in industry attitudes and a coordinating mechanism is developed, bugs and problems will continue to plague the community.
Mark
________________________________
From: edmund ronald <email@hidden>
To: Andrew Rodney <email@hidden>
Cc: 'colorsync-users?lists.apple.com' List <email@hidden>
Sent: Friday, July 13, 2012 8:59:55 PM
Subject: Re: Cyan overlay when printing with Epson 3800
Tom, Andrew, Steve etc are all right. The algorithms work, everyone is
doing their best, but the ICC systems approach is simply too complex to
implement interoperably. Things might work if there were a single centrally
maintained reference implementation that was used by everyone for color
processing, but the presence way of doing things by "standard" is a
guarantee of failure by finger-pointing
Edmund
On Sat, Jul 14, 2012 at 2:17 AM, Andrew Rodney <email@hidden>wrote:
> On Jul 13, 2012, at 5:40 PM, Steve Upton wrote:
>
> > I'm just saying that it is entirely possible that GretagMacbeth (to be
> historically accurate) could make a perfectly compliant profile that could
> trigger a bug in a CMM, or a print driver, or how a print drive calls a
> CMM, etc.
>
> Absolutely! For example, in older versions of Lightroom, a V4 profile
> would produce a ‘sum dot’ as described. But not in Photoshop. Blaming the
> profile vendor is irresponsible.
>
>
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