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Re: Problem with X display [message #6691 is a reply to message #6683] Sun, 28 July 1996 00:00 Go to previous message
c71801 is currently offline  c71801
Messages: 2
Registered: February 1994
Junior Member
Liam Gumley (liamg@ssec.wisc.edu) wrote:
: MICHEL KRUGLANSKI wrote:
: > I work on a DEC alpha station 600 with a ZLXPE2 24-planes graphic card.
: > I use either IDL or PV-WAVE.
: > I have a problem when I try to use 256 colors.
: > idl (or wave)
: > > print,!d.n_colors
: > 256
: > > window,col=256
: > > print,!d.n_colors
: > 16777216
:
: In IDL, try this immediately after startup:
: device,pseudo=8
: window,colors=256
: print,!d.n_colors
: Note that the 'device' command as shown and the 'colors' keyword to 'window'
: only have an effect before any windows are opened. Once set, these
: options remina set for the rest of the IDL session.
: Cheers,
: Liam.

you can also include the lines

idl.depth: 8
idl.visual: PseudoColor

in your .Xdefaults or .Xresources file. (in case you are using the X device)
idl should now start with PseudoColor as the default visual class and with 256 colors.
try 'help,/dev' and 'print,!d.n_colors' to look if this works.

hermann

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