| Re: set_plot,'PS' and accurate colors? [message #33565 is a reply to message #33473] |
Wed, 08 January 2003 13:08   |
dave
Messages: 31 Registered: February 1994
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Paul van Delst wrote:
> methinks there may a problem with how your system be setup. plotting in color in IDL
> (direct graphics at least) is pretty easy - especially stuff like you have described.
> - What version of IDL are you using?
5.4, win2k
> - How many bit planes are you set up to use? 8,16,24? (xdpyinfo should tell you that - for
> unix at least)
> - If 8 bit planes, what is the output when you do:
> window, /free, /pixmap, colors = -5
> plot, [ 0 ]
> wdelete, !d.window
> print, 'Number of colors is ', !d.n_colors
> print, 'Color table size is ', !d.table_size
> *immediately* after starting IDL?
IDL> window, /free, /pixmap, colors = -5
IDL> plot, [ 0 ]
IDL> wdelete, !d.window
IDL> print, 'Number of colors is ', !d.n_colors
Number of colors is 16777216
IDL> print, 'Color table size is ', !d.table_size
Color table size is 256
> Depending on what your system colour depth is and how many color-intensive applications
> (e.g. web browser, fancy editor, movie player, etc) you have running, you may have simply
Hm... good thought.
Most of my experience has been on VMS using the TV command on a TEK terminal. I'm not sure why
the color table is 256 right now.
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