[svlug] Monitor calibration, photo processing

[Florin Andrei]

Larry Colen wrote:
> On Mon, Apr 07, 2008 at 12:33:05PM -0700, Florin Andrei wrote:
> # Larry Colen wrote:
> # > I finally got a few minutes to try to calibrate the gamma on my
> # > monitors. I found a program called Monica that seems to do what I
> # > need, via some links John Conover sent (thanks John). 
> # > 
> # > The page for monica is at:
> # > http://www.pcbypaul.com/software/monica.html
> # 
> # Assuming I use it to calibrate the monitor, how would the results 
> # compare with what I obtain by using the gamma correction wizard provided 
> # with the NVidia drivers on Windows? (Display Optimization Wizard / 
> # Optimize Gamma / drag the RGB sliders)
> # It seems like Monica and the NVidia wizard work almost exactly the same.
> 
> I haven't tried booting into Windows to use the NVidia wizard, but I
> expect that it'll get you some gamma value (like .61) that you would
> feed to xgamma in some sort of startup script.

Two things:
- the wizard, at least on my monitor, almost always generates different 
gamma values for the three primaries. In fact, it seems designed on the 
assumption that the three gammas will be different in most cases
- I don't know where to look, on WinXP, for the 3 gamma values :-)

-- 
Florin Andrei

http://florin.myip.org/