| Re: ARG! Direct Color problem IDL 5.5/Linux (decomposed doesn't help) [message #29188 is a reply to message #29187] |
Thu, 07 February 2002 08:01   |
Jaco van Gorkom
Messages: 97
Registered: November 2000
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"Robert Stockwell" <rgs1967@hotmail.com> wrote in message
news:3C6291D0.4020500@hotmail.com...
<skipped some color stuff...>
> This does NOT solve my problem, although it does make it better.
> Now I get greyscale, and any color table commands are ignored,
> and xloadct only has greyscale, regardless of which table I choose.
> ....WHAT THE!?? Hey, when I put the cursor on the colorbar of
> xloadct, I do get the IDL color table, but for the entire desktop!
> That is to say, the plot window now looks correct, but the entire
> desktop is also in that color table, and thus gets wacky colors
> assigned to everything (i.e other programs are now all blue, some
> have black on blue fonts and are unreadable, etc). When I move the
> cursor off the colorbar in Xloadct, it goes back to normal (normal
> desktop colors, and greyscal IDL plot window).
> Hmmmmm, we're on to something here.
I remember once working in a window manager in which the IDL plot
windows were prevented from getting the focus. The cause was some
setting somewhere in the window manager configuration. Sorry, I
cannot recall more details, but this definitely matches with the
behaviour your are describing. (although I would only have expected
this on 8-bit color)
Funny isn't it, this color behaviour of xloadct? It seems to be the only
way for widgets to handle color on 256-color hardware. No way of
seeing the color bar or the plots/images which your are trying to adjust
while adjusting the sliders.
Hope this helps a little,
Jaco
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