Re: Silly question department, Display Media White Point
Re: Silly question department, Display Media White Point
- Subject: Re: Silly question department, Display Media White Point
- From: G Mike Adams <email@hidden>
- Date: Wed, 25 Feb 2015 15:57:35 -0600
John,
"Convert to SWOP"?
That I'm just going to have to take your word for, because all I can say is that I work exclusively with large and grand format printers, have for some 9 years now, and have never walked into a client's shop that was doing that.
Some work with CMYK, and in doing so are working in SWOP2 without being aware of it, but a conversion routine from some RGB to SWOP and then back to the printer space, or using SWOP as the printer space in the RIP?
I've never seen that. Ever. Not in a large or grand format shop.
Not to say of course that I've seen it all. It just feels that way sometimes.
One thing I have noticed is that there's a push on the part of some vendors to get large format shops to set Gracol as their incoming space. A push with which I strongly disagree, by the way. I set up RIP's with SWOP2 as the incoming CMYK, and my standard response to the Gracol business is, "When Adobe changes their defaults, so will I. Until then, if you have a client who sent you a file in CMYK, you can bet they had no idea what color space they were in, so it was SWOP, and SWOP is how you should set the RIP to expect CMYK."
Of course, as long as the incoming files are tagged, and the RIP is set to honor the tag, that too is something of a moot point.
Mike
On Feb 25, 2015, at 3:32 PM, Roger Breton wrote:
> Let's keep in mind that, any way one looks at it, a "SWOPv2" proof, relative colorimetric, bears the trace of the yellowish grounded coated #5 TR-001 substrate, L89 a0 b+4. No one wants to see an abs col SWOPv2 proof.
>
> Best / Roger
>
> -----Original Message-----
> From: colorsync-users-bounces+graxx=email@hidden [mailto:colorsync-users-bounces+graxx=email@hidden] On Behalf Of John Lund
> Sent: 25 février 2015 16:02
> To: G Mike Adams
> Cc: email@hidden
> Subject: Re: Silly question department, Display Media White Point
>
> Hi Mike,
>
> Yes, I understand your point, of course. As long as Photoshop uses this default it makes sense to use it as the default input space for the RIP. But...
>
>> The issue here isn't what the default CMYK space is
>
>
> This *is* the issue, at least to the extent that it means everyone will reduce the color & tonal range in their files to "SWOP". The fact that the RIP uses "SWOP" for input space tends to make operators think they should feed it only "SWOP" files. The customer tends to make the same assumption.
>
> I have been forced to demonstrate to grand format print vendors, for example, that their print systems (RIP/printer/media) can produce far better output than they get when receiving "SWOP" files from their customers (or even RGB files, if they are set up to "convert to SWOP" as the file is sent to the RIP).
>
> Sorry if this sounds like a broken record, as it were.
>
> John
>
>
>
>
> On Feb 25, 2015, at 12:29 PM, G Mike Adams <email@hidden> wrote:
>
>> John,
>>
>> Just to note: In all these RIPS's, it's the default incoming space. Not the default outgoing space. The outgoing space should always be the printer profile, and the incoming space should be whatever space in which the file was originally created. And if you're printing to an inkjet, then whether the incoming CMYK default is SWOP2 or G7 this or that or whatever, it makes very little difference, other than that the incoming space is set to correctly match the creation space.
>>
>> The issue here isn't what the default CMYK space is, it's why a client would be creating for this conversion in CMYK to begin with.
>>
>>
>> Mike Adams
>> Correct Color
>>
>>
>> On Feb 25, 2015, at 2:12 PM, John Lund wrote:
>>
>>> So why should it be acceptable that this is still the *default* CMYK space for Photoshop (North America installs)? Since it continues in Adobe products, it is also the default for RIP vendors, printing houses that run inkjet/solvent printers, and all sorts of places that output on devices that bear almost no relation to "SWOP".
>>>
>>> OK, I'll drop it now...
>>>
>>> ;-)
>>>
>>> John
>
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