Re: [Plplot-devel] xwin driver bug under PseudoColor Xserver

[Maurice L. <mj...@ga...>]

Jo=E3o Cardoso writes:
 > Will it be worth correcting it, or are 256 colors PseudoColor xserve=
rs=20
 > part of the past?

The nice thing about 256 colors PseudoColor visuals is that the colors =
can
be changed on the fly, which makes the TK palette tools really shine.  =
On
a TrueColor visual I had to force a plot redraw on every change, which =
can
go really slow for very complex plots.

Of course, 256 colors is a very small number to be sharing among all yo=
ur
applications.  I gave up on 8 bit displays as soon as I got my first 2M=
B
video card, in which you can (barely) fit a 16 bit 1152x864 display.

Fortunately there now does seem to be a way you can get a 256 color
PseudoColor display while you main X server is 16 bit TrueColor using X=
nest.
Geoff told me about this a few months back, although as he mentioned th=
ere
are still some outstanding bugs.

BTW I do have on my short list of priority items to add the ability to =
switch
the visual in the X driver according to a driver option.  Whenever I ge=
t some
time for plplot hacking again..

--=20
Maurice LeBrun    mj...@ga...
Research Organization for Information Science and Technology of Japan (=
RIST)