Re: 10.6.7
Re: 10.6.7
- Subject: Re: 10.6.7
- From: Iliah Borg <email@hidden>
- Date: Wed, 23 Mar 2011 09:28:08 -0400
Dear Tom,
I'm not beating Apple for this issue at all. Sorry if I made that impression. For our RPP software we are currently testing a workaround for the issue and will have an update this week. So it will not affect our users much.
On Mar 23, 2011, at 9:23 AM, Tom Lianza wrote:
> That is completely correct. We (X-rite) have posted this issue (bug) with
> Apple. There seems to be an issue with the LUT definition and scaling. The
> ICC spec is not fully clear and we (ICC) did not, to the best of my
> knowledge, ever provide an official reference profile for testing, so let's
> not beat up Apple on this issue. We (ICC and X-rite) are looking at
> implementation testing tools right now and some are currently under
> development.
>
> Thanks,
>
> Tom Lianza
> Co Chair ICC
> Director of Advanced Product Development X-rite.
>
>
> On 3/23/11 9:07 AM, "Iliah Borg" <email@hidden> wrote:
>
>> Dear Richard,
>>
>>> Can you explain exactly what you are doing to see this?
>>
>> I'm getting a Lab TIFF, converting it to an ICC4 profile with Lstar tone curve
>> and doing a save in Photoshop and close the file. Next, I open the icc4 file I
>> just saved in Photoshop, convert it back to Lab and do another save. All
>> three, initial Lab, icc4 RGB, and roundtrip to Lab files, look same in
>> Photoshop. First and third look same in the Preview. The RGB icc4 Lstar file
>> looks very different in the Preview. It looks like the issue is centred around
>> profiles that are following icc4 specifications.
>>
>> --
>> Iliah Borg
>> email@hidden
>>
>>
>>
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--
Iliah Borg
email@hidden
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| | >Re: 10.6.7 (From: Tom Lianza <email@hidden>) |