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        [GREG2\]GRID [Astep [Dstep]] [/ALTERNATE] [/LABEL]

    Plots a grid of meridian and parallels according to the current  projec-
    tion and system. Astep is the grid step for meridian in degrees (Default
    15), Dstep for Parallels (Default Astep). If one step is 0, this part of
    the  grid  is not plotted. If the /ALTERNATE option is present, the grid
    will be a grid in the alternate coordinate system (Equatorial or  Galac-
    tic). This does not currently work for projection type AITOFF and RADIO.

    If  /LABEL  is present, the meridians and parallels will be labeled with
    their absolute coordinates.

Gildas manager 2020-12-01