[argyllcms] Re: dispcal: Warning - RegOpenKeyEx failed with 2

oooooops that would explain :)

I think you should really make a simple HOWTO with the basic steps everyone 
needs...or maybe a GUI ?

I thought 2.2 gamma and D65 were the default arguments.

now I've RTFM and indeed that becomes crystal clear, even though I don't really 
get the difference between D65 and 6500K but I'll try both...all I want is the 
lowest dE possible ;)

Thanks again for your support and sorry for asking lame questions,

-Maxime

> Date: Sat, 22 Dec 2007 12:15:16 +1100
> From: graeme@xxxxxxxxxxxxx
> To: argyllcms@xxxxxxxxxxxxx
> Subject: [argyllcms] Re: dispcal: Warning - RegOpenKeyEx failed with 2
> 
> lee scratchy wrote:
> 
> > OK so maybe I was a bit too optimistic considering spyder2 support in 
> > argyll is still in beta stage...
> > 
> > here's a compare of the spyder2pro software on top, and argyll at the 
> > bottom with the exact same settings on the CRT display :
> > http://img231.imageshack.us/my.php?image=comparejo6.gif
> > 
> > there's a major lack of green with argyll...
> 
> It just seems like you've set different white point targets, that's all.
> Otherwise the results seem of comparable precision.
> 
> You don't say explicitly what white point you are aiming for. If you
> used this:
> 
>    dispcal -v -yc test
> 
> or this:
> 
>    dispcal -v -yl -p0,0,20 test
> 
> then you would be using whatever the native white point
> of the display is as the target. If you want a specific
> white point such as D65 (typical of video standards), then
> you need to specify it:
> 
>    dispcal -v -yc -t6500 test
> 
> or for 6500 K black body:
> 
>    dispcal -v -yc -T6500 test
> 
> You need to figure out what white point your test software
> is actually comparing against (Daylight 6500 ? 6500 degrees K black body ?
> How is the reference being determined ?)
> 
> Graeme Gill.
> 
> 

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