Datacolor User to User Support Group.

If you're running Windows XP they have an advanced color tool at the
following link : 

http://www.microsoft.com/windowsxp/using/digitalphotography/prophoto/colorcontrol.mspx

will give you pretty much the same ability to review profile "shape"
as the Mac OS ColorSync tool.

Hope that helps

Tom

--- In colorvision_group@yahoogroups.com, David Miller <dm2363@...> wrote:
>
> >Hi David and others,
> >How useful is a graphical gamut viewer for PFP generated profiles?
> 
> It's a useful way to check the overall "shape" of the profile once it's
> been built, among other things. It's a fairly technical tool that can
> provide a great deal of valuable information.
> 
> >Would it help me to check if I have made a good and correct readings of
> >the patches from PFP?
> 
> Yes, it would. I don't tend to "check" profiles that way for the purpose
> of "goodness" of readings, though. If what I see in PFP's display of
measured
> colors looks "smooth" to me, I know that the gamut shape of the
profile I
> build is also going to turn out "right".
> 
> Or put another way, as a user, I wouldn't be eager to spend several
hundred
> dollars on an advanced profile viewer just for the purpose of
checking my
> PFP measurements, when I can just look at them in PFP and check them
that
> way. (More information below). Now that we've described the process of
> visually checking meausurements here on the Yahoo group, you should have
> all the information you need to just do this without spending any
extra money.
> 
> >David once mentioned, when he was checking my readings, that he saw
> >a 'dent' in my profile. I believe he was using a graphical gamut viewer
> >for that. Won't it also help me then to know whether i have made a
> >mistake or not?
> 
> That's right.
> 
> >Which is a good graphical gamut viewer that's easy to understand and
> >use without needing one to have a PHD in color management?
> 
> Anyone who is running Mac OSX can use the built-in gamut viewer in
the free
> ColorSync Utility (found in Applications:Utilities) that Apple provides.
> (Note that I'm not saying "has a Mac" directly here, because all newer
> Macs can run both OSX and Windows).
> 
> ColorSync Utility provides a basic gamut viewer, and you can also use it
> to compare the gamut shapes of two profiles. You can grab and "spin"
the gamut
> shape around in 3D to look at it. This free utilitiy would also have
been
> sufficient to display the problem I saw in your original measurements.
> 
> For both platforms, a more advanced profile viewer/editor is Steve
Upton's
> ColorThink, available at Chromix. There are two versions; the "pro"
version
> is more expensive; both of them are more advanced than the free
ColorSync
> Utility; and Mac and Windows versions are available.
> 
> There are probably other 3rd party applications out there that will
do these
> things, but those are probably the most commonly used.
> 
> 
> -- 
> David Miller
> Senior Software Developer, Digital Color Solutions
> ColorVision
>