On 10/16/2014 03:37 PM, Øyvind Kolås wrote:
On Thu, Oct 16, 2014 at 6:52 PM, Elle Stone
ellest...@ninedegreesbelow.com wrote:
Is there in fact general agreement among the devs that the criteria for
deciding when to use sRGB primaries instead of UserRGB primaries is
approximately as follows?
On 10/14/2014 08:50 AM, Simon Budig wrote:
for conversions between RGB working spaces there is no fundamental
distinction between XYZ and unbounded linear gamma sRGB.
There is one fundamental difference between XYZ as the real PCS and
sRGB as PCS (those are scare quotes; the terminology sRGB
On Fri, Oct 17, 2014 at 12:01 PM, Elle Stone
ellest...@ninedegreesbelow.com wrote:
On 10/16/2014 03:37 PM, Øyvind Kolås wrote:
On Thu, Oct 16, 2014 at 6:52 PM, Elle Stone
ellest...@ninedegreesbelow.com wrote:
Is there in fact general agreement among the devs that the criteria for
deciding
In the current babl/GEGL/GIMP code base, I counted five files that
contain functions that require a conversion from RGB to XYZ:
1. gimp/plug-ins/common/decompose.c
2. gimp/plug-ins/common/compose.c
3. gimp/app/core/gimpimage-convert-type.c
4. gegl/operations/common/image-compare.c
5.
Unfortunately for hard-coded sRGB as PCS, the ICC profile
specifications are a moving target. Right now the ICC profile illuminant
is always D50. But in the next planned release of new specifications,
things will change:
//begin quote from http://color.org/DevCon/devcon14.xalter
While this
Elle Stone (ellest...@ninedegreesbelow.com) wrote:
//begin quote from http://color.org/DevCon/devcon14.xalter
While this fixed PCS is capable of delivering unambiguous color transforms,
it cannot support the increasing demand for spectrally-based reproduction.
[...]
Tying GIMP to sRGB as
On 10/17/2014 06:39 AM, Simon Budig wrote:
Elle Stone (ellest...@ninedegreesbelow.com) wrote:
//begin quote from http://color.org/DevCon/devcon14.xalter
While this fixed PCS is capable of delivering unambiguous color transforms,
it cannot support the increasing demand for spectrally-based
On Fri, Oct 17, 2014 at 12:47 PM, Elle Stone
ellest...@ninedegreesbelow.com wrote:
Tying GIMP to sRGB as PCS is a dead-end move.
If you take spectrally based reproduction as an argument against sRGB
as PCS you should be at least be so fair to also mention that *any* RGB
based image editing
Elle Stone (ellest...@ninedegreesbelow.com) wrote:
On 10/17/2014 06:39 AM, Simon Budig wrote:
Elle Stone (ellest...@ninedegreesbelow.com) wrote:
//begin quote from http://color.org/DevCon/devcon14.xalter
While this fixed PCS is capable of delivering unambiguous color transforms,
it cannot
On Fri, Oct 17, 2014 at 1:06 PM, Elle Stone
ellest...@ninedegreesbelow.com wrote:
On 10/17/2014 06:59 AM, Øyvind Kolås wrote:
As a former researcher at a national color science laboratory, and a
major contributor to babl and GEGL; I probably have no idea about
these things – and how the
On 10/17/2014 07:08 AM, Øyvind Kolås wrote:
On Fri, Oct 17, 2014 at 1:06 PM, Elle Stone
ellest...@ninedegreesbelow.com wrote:
On 10/17/2014 06:59 AM, Øyvind Kolås wrote:
As a former researcher at a national color science laboratory, and a
major contributor to babl and GEGL; I probably have no
On Fri, Oct 17, 2014 at 1:39 PM, Elle Stone
ellest...@ninedegreesbelow.com wrote:
On 10/17/2014 07:08 AM, Øyvind Kolås wrote:
On Fri, Oct 17, 2014 at 1:06 PM, Elle Stone
ellest...@ninedegreesbelow.com wrote:
On 10/17/2014 06:59 AM, Øyvind Kolås wrote:
As a former researcher at a national
On 10/14/2014 07:16 AM, Øyvind Kolås wrote:
On Tue, Oct 14, 2014 at 11:20 AM, Elle Stone
ellest...@ninedegreesbelow.com wrote:
On 10/13/2014 06:36 PM, Elle Stone wrote:
So again, upon opening an image, how do you plan to detect whether the image
is an sRGB image or not?
Will you compare MD5
Elle,
It is not the critic who counts; not the man who points out how the strong
man stumbles, or where the doer of deeds could have done them better. The
credit belongs to the man who is actually in the arena, whose face is marred
by dust and sweat and blood; who strives valiantly; who errs,
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