From: Joel de Guzman (joel_at_[hidden])
Date: 2006-11-01 02:50:03
Joel de Guzman wrote:
> Matt Gruenke wrote:
>> Joel de Guzman wrote:
>
>>> I disagree. A color space is a tuple of numbers. It is concerned with
>>> data and layout as far as I can see. That is the very definition of
>>> "tuple".
>>>
>> That's a color (or pixel value).
>>
>> A color space provides the semantics of these numbers, possibly
>> including how they are converted to other color spaces. This may
>> include its basis, CIE primaries, transfer function, gamut, etc. (For
>> more information, here's a good starting point:
>> http://www.poynton.com/notes/colour_and_gamma/ColorFAQ.html )
>>
>> A pixel format establishes the mapping between channels of an image
>> (i.e. color, pixel value, etc.) and components of a color space.
>
> Now I see the confusion. There are overlaps in the definition of
> colors and color-spaces of course. Did you think they were orthogonal?
> See: http://tinyurl.com/18r for the definition of color-spaces.
tinyurl mistake again! One more try:
Regards,
-- Joel de Guzman http://www.boost-consulting.com http://spirit.sf.net