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bmp | jpeg | jpg file_name | use use [noref]
Display a bit map of specified format from a file_name or use the current graphics on the screenactive dataset when it is a bit map image.
psc bmp use will assume that the bit map (image) in active is georeferenced unless the noref arument is added
When Postscript plotting is active one can display the active bit map (image) by dis [noref] or ima [noref].
cross x_center y_center size
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