anyone know all about colour

  • Thread starter Thread starter RJK
  • Start date Start date
R

RJK

After all these years, I'm still not completely clear on graphics hardware &
software colour profiles.

If I "coloro-meter" my monitor, which creates a *.icm monitor profile -
which is set as the Windows default monitor profile all is lovely.

Then, if I want to reduce the video overlay brightness for playing a DVD -
as soon as I dig my way into my Nvidia software, and before adjusting
anything - the brightness level suddenly drops and is too dark - as though
the Nvidia software is knocking out settings held on the card, or perhaps in
software somewhere between the card and the Windows monitor profile. I
read a long time ago that the card holds settings ...somehow ...somewhere -
i.e. there's a "table" on the card, or that the card "refers" to, or "loads"
somewhere ?!?!.

If I run the Nvidia monitor visual colour calibration, I end with everything
too dark - like gamma's dropped to 1.8 instead of staying at 2.2 - and it
all goes downhill from there !

I've stopped Adobe Gamme and Praxisoft WIZIWIG colour monitor profiles
fighting with each other, and stopped them loading at boot-up - and have
just one monitor colour profile set, in Windows - it's this sudden drop in
brightness as soon as I access the Nvidia grahpics card software (in system
tray) that's got me foxed ?

any clues gratefully received

regards, Richard
ps ...anyone who's got everything set in colour printing (graphics app. and
printer driver etc.) set to "automatic," and always gets a print that never
matches what's on screen - read everything at
http://www.normankoren.com/
....and you'll possibly attain that that glorious state, (just like like me),
where colour prints perfectly match what is on screen - but, then I fiddled
with it, and broke it ! ...just kidding - this is a fantastic web-site.
 
RJK said:
...gosh, everyones colour-blind then !
Click to expand...

Nope, I just never used a color meter thingamagig.

Nvidia's software is good for extending a few useful years out of a
slowly dying monitor. Best thing to do with the other color software is
to get rid of it. If you have to play with the color settings in
nvidia's control panel, reset defaults and do it manually, just stick
with the gamma slider and set brigntness and contrast in the monitor
itself.
 
RJK said:
...gosh, everyones colour-blind then !
Click to expand...

LOL, color profiles are pretty esoteric stuff. Most of us couldn't care less
if the somebody's skin looks a bit green on the monitor, but the people who
do food ads sure as hell care, and they require properly working profiles
and largely shun LCDs....where most techs I know don't even know the diff
between RGB and CMYK, not to mention PCL and postscript. ;-)

Try the Adobe forum that supports Gamma...there are some very knowledgable
people over there. Not sure which group that would be, but a pop into the
Photoshop or Illustrator forum will get you pointed right.

-John O
 
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