./contrib
hline.pro

Last modification date:

Wed Feb 8 12:37:30 2012

hline

procedure hline, val

hline.pro draw horizontal line at specific y-axis value --------- Contributed by: Tom Bania Note that this is used by bsearch.pro and that it plot's to a separate IDL plot window, not the GBTIDL plotter.

Parameters
val in, required float	The y-value to use.