Re: XFree86 -- Gamma Correction

2003-09-18 Thread Alastair G. Hogge
On Thursday, 18 September 2003 21:34, Michael Vondung wrote:
 Hello, all,

 I successfully managed to install the FreeBSD nVidia video drivers, but ran
 into a problem that is apparently X related: How does one tune the gamma
 correction? man XFree86 suggests the command line option -gamma value,
 where value is a number between 0.1 and 10.0, 1.0 being the default. I
 tried to start X with startx -gamma 2.0, but right after displaying the
 nVidia logo, X drops back to the command line. The error message says,
 /usr/X11R6/bin/xterm: bad command line option '-gamma'. The XFree86
 version is 4.3.0 (compiled from ports).

 What am I doing wrong, and where would I look for more information? Also,
 if a working option can be found, is there a place where I can put this so
 that it is automatically used and I don't have to type it in manually every
 time X is started?
Hmm looking at man startx I think that you need to add -- to the command 
line to inform startx that the following switchs/options are for the X server 
and not startx. Try startx -- -gamma 2.0

 (At this point I actually miss the nice GUI-interface to tweak the card
 that comes with nVidia's XP drivers. :)
/usr/ports/sysutils/nvclock might be interesting. Build it, install it and run 
nvclock_gtk

 Thanks!
No worries.
Hope all that was helpfull
-Alastair

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Re: XFree86 -- Gamma Correction

2003-09-18 Thread Rob Lahaye

Michael Vondung wrote:
 Hello, all,
 
 I successfully managed to install the FreeBSD nVidia video drivers, but ran
 into a problem that is apparently X related: How does one tune the gamma
 correction? man XFree86 suggests the command line option -gamma value,
 where value is a number between 0.1 and 10.0, 1.0 being the default. I
 tried to start X with startx -gamma 2.0, but right after displaying the
 nVidia logo, X drops back to the command line. The error message says,
 /usr/X11R6/bin/xterm: bad command line option '-gamma'. The XFree86 version
 is 4.3.0 (compiled from ports).

Use xgamma instead. It allows you to change gamma on a running X.
man xgamma will tell you more.

Rob.

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