Keep ximtool readable in 8-bit color
February 8th, 2005 by Marcos
Phil Massey at Lowell Observatory sent in the following tip:
This probably doesn’t concern you, since it sounds like you use DS9, but I’m a fan of ximtool (actually ximtool-alt)—so easy to register frames against each other—so I’m willing to go to 8-bit color until Mike Fitzpatrick eventually fixes ximtool so it works under 32-bit.
However, when I set the color to 8-bit and do an implot, the graphics window is generally totally unreadable—yellow on white background.
I did eventually find a fix to this, and I don’t know if it would be worth posting on your web site or not. It turns out that there was nothing like an .Xdefaults being loaded. So, I created one:
Gtermcolor0: black
Gtermcolor1: ivory
Gtermcolor2: red
Gtermcolor3: green
Gtermcolor4: blue
Gtermcolor5: cyan
Gtermcolor6: yellow
Gtermcolor7: purple
Gtermcolor8: magenta
Gtermcolor9: black
based upon a note I’d gotten from Mike when I’d encountered a simialr problem some years back. and then explictly put in my .xinitrc file,
xrdb -load ~/.Xdefaults
prior to starting up any windows or the window manager.
This tip sounds like it is to keep xgterm plots looking correct. Over on the x11iraf page, I make a tip on how to keep everything looking ok when you use ximtool to display a graphic, which is to use the -maxColors flag in ximtool to limit how many colors it grabs.
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