Re: Decimal precision in Photoshop's info palette
Re: Decimal precision in Photoshop's info palette
- Subject: Re: Decimal precision in Photoshop's info palette
- From: Marco Ugolini <email@hidden>
- Date: Fri, 19 May 2006 09:56:45 -0700 (GMT-07:00)
In a message dated May 19, 2006 12:38 AM, Karsten Krüger wrote:
>In some way Adobe has to translate 0..100 into 8 bit notation 0..255.
>This is
>what you see here, I guess. Try in 16bit mode. Do you get different
>values ?
Hi Karsten.
I have not tried 16 bits yet. All my measurements were taken in 8 bits.
>Just for understanding (and talking about RGB or CMYK, not talking
>about Lab): can you really see those .x differences in color on your monitor ?
>-can you print those differences on your printer and actually see
>the differences in the printout ?
>
>If the answer to both questions is yes, then I would like to know
>more about your equipment.
...as well as about what I'm smoking, right? ;-)
No, it's not about what I can see either on my monitor or on my printed output. It's just a general statement I'm trying to make about the level of internal precision inside Photoshop. The point being that one small error here, another one there, etc., may eventually compound up to a noticeable error somewhere down the line.
So, it's still all theory and no practice, so far. But I believe that, if confirmed, it's something to pay attention to.
Regards.
-----------
Marco Ugolini
Mill Valley, CA
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