Re: Inconsistent colors in X11, ncgm, ctrans from LLU+HLU

From: Dr. John W. (Jack) Glendening (drjack@XXXXXX)
Date: Wed Feb 26 2003 - 17:53:42 MST

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    Mary,

    > Mixing HLU and LLU calls
    > (GSCR is an LLU call) is doable, but as you saw, it doesn't always
    > work as expected.
    >
    > When you open an workstation in the HLUs, this is where you want to
    > do your color table manipulation.

    Thanks for your knowledgable input, you know much about NCARG guts than
    I do. I had described a "toy" case based on an NCARG example since
    that was easiest for you and others to assess, but of course the
    program I am actually using is more complex. In particular it utilizes
    colored contours, the colors of which are varied at the time they are
    being drawn so can't be set at the time of opening the workstation
    (though like anything in programming I expect that could be done with
    enough work)
      
    I have noticed that the display _is_ as expected for both the X11 and PS
    workstations, the NCGM workstation being the only one to have a
    problem, so thought that might indicate a specific problem with that
    module. I think a workaround will be to utilize the PS workstation,
    instead of NCGM, to generate an output file and then use ImageMagick's
    "convert" option to get a raster plot (though I have found that several
    of the "convert" functions do not seem to work with a PS input file,
    the simplest conversion does work).

    Thanks for your help.

                                  Jack

    -- 
    Dr. John W. (Jack) Glendening   Meteorologist
    

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