[argyllcms] Re: spotread feature request: srgb values
- From: Graeme Gill <graeme@xxxxxxxxxxxxx>
- To: argyllcms@xxxxxxxxxxxxx
- Date: Wed, 06 Jan 2010 11:31:06 +1100
Pascal de Bruijn wrote:
It would be very nice and convenient if spotread would show sRGB
values as well next to XYZ/LAB... It's obviously not critical, but
convenient non-the-less...
Hmm. I understand, but it doesn't sit well in the functionality
that spotread tries to provide (UNIX philosophy, have each tool do
a limited job well, then combine them etc.).
For instance, why sRGB rather than AdobeRGB ? (ie. it would
need to be configurable).
How would the conversion be done ? The spotread readings are generally
absolute values, whereas sRGB values are typically normalized to
the white point in both level and chromaticity. So it would
only begin to make sense in spotread -dw mode. Some other
conversion could be provided if a chromatic transform was
specified, but this is starting to look pretty messy.
So ideally spotread should be used in conjunction with (say)
xicclu to get the functionality you want. This can be done manually
using cut and paste, or batching the results (spotread logfile),
but I'm not sure how it would be done interactively.
Graeme Gil.
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