[ale] Color maps in X

[Jim Kinney]

I suspect that the color map for the SGI has a lot more name=value pairs
than the standard one for Linux. Try comparing Linux's /usr/X11R6/lib/X11
to the SGI. I can't remember where it is on the SGI.

On 10 Sep 1999, Michael Hirsch wrote:

> I was about to send off some advice about trying different color
> depths, but now that I've read more carefully I see you have.
> 
> The only thing I can think of is to ask what the default visuals of
> your machines are?  Running xdpyinfo on both your Linux box and your
> SGI will tell you.  Once you know the default visual of the SGI maybe
> you can make you Linux box use the same visual.
> 
> --Michael
> 
> 
> Justin Russell <jwrussell at fs1.mar.lmco.com> writes:
> 
> > I am not going to pretend to know the first thing about color mapping.
> > However, I have a problem with a piece of plotting software I am trying
> > to run under Linux (standard RH 6 install with Gnome and
> > Enlightenment).  When I load the software if gives me a warning message
> > saying, "Warning: Default visual will not allow changeable color map".
> > Because of this, I can not get multiple colors in my contour plots at
> > home.  However, at work running IRIX, I dont have this problem (unless I
> > load two instances of the software).  I really don't understand what it
> > means for a piece of software to "take" colors, but I guess something is
> > doing this on my Linux box (maybe Enlightenment?).  Am I simply running
> > out of memory (16MB on my video card, 128MB main)?  I have tried using
> > different color settings (8b, 16b, 24b, 32b) in my X configuration.
> > None of these seem to work.  In fact if I use 8b, the program won't even
> > load.  If someone can explain the possible reasons (or a solution) for
> > this, it would be a big help!
> > 
> > Thanks,
> > 
> > Justin
> > 
> > 
> > /\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\
> >  Justin W. Russell
> >  Engineer, Aerodynamics/CFD
> >  Lockheed Martin Aeronautical Systems
> >  86 South Cobb Drive
> >  Marietta, GA  30063-0685
> > 
> >  Tel:  (770) 494-6303
> >  Fax:  (770) 494-3055
> > \/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/
> > 
> > 
> 
> -- 
> Michael
>