Re: Images and TAC values
Re: Images and TAC values
- Subject: Re: Images and TAC values
- From: Steve Upton <email@hidden>
- Date: Fri, 12 Dec 2014 15:08:52 -0800
On Dec 12, 2014, at 9:44 AM, Martin Orpen <email@hidden> wrote:
> On 12 Dec 2014, at 17:03, Terence Wyse <email@hidden> wrote:
>>
>> I’m not understanding at all how exceeding the TAC is an “out-of-gamut” issue. It’s not OoG, it’s more of a print quality issue.
>
>
> It is a gamut issue in CMYK profiles — how can you fail to understand that?
>
I think that Terry is suggesting that potentially all CMYK combinations could be considered in gamut (generically) but that TAC sets a separate limit of advisable combinations.
By generically I mean that there are certainly CMYK printing systems that will happily accept inking levels up to 400% without any issues so Photoshop needs to take those into consideration as well. While you may consider a TAC level part of the gamut boundary, I don’t think that I would. Or at least, I would not consider it part of the device gamut boundary. It could be argued that it should be considered part of the profile’s rendered gamut boundary.
> And even if you can’t, where would you put a TAC warning in Photoshop if not in the View menu?
That’s a logical place for it, I think.
regards,
Steve
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