[aprssig] Map Symbol Placement

['Scott Miller']

> Of course the fact that both lat and long can use negative numbers
> complicates things slightly.  For the Xastir project we translate
> everything to our own coordinate system that uses only positive
> numbers which makes this part easier.

How does Xastir handle different map projections?  I seem to remember that
it had a projection library linked in.  And it seems to work properly when I
load in California maps in Albers equal-area conic projection.  Does it
reproject the map to match the screen coordinates?

Scott
N1VG