

d.rhumbline - 

d.rhumbline displays the rhumbline joining any two user-specified
points in the active \frame\ on the user's graphics monitor.  A rhumb
line is a line following a constant angle of the compass (i.e., a line
of constant direction).  There are 32 points on the compass (points are
roughly 11 degrees 15 minutes apart).

Manual entry for \d.rhumbline\
