[GRASS-dev] latlong problem

[Markus Neteler]

Glynn Clements wrote on 03/07/2007 06:32 PM:
> ...
> Actually, this isn't a problem which can be "solved". What do you do
> if you *want* a polygon which spans 340° of longitude? How do you
> interpret a polygon which spans exactly 180°; which hemisphere does it
> cover?
>
> IOW, I don't think that we'll ever get this "right".
>   

Well, to me
 http://mpa.itc.it/markus/tmp/admin98_oceans_fixed.png
looks much more reasonable than
 http://mpa.itc.it/markus/tmp/admin98_oceans_buggy.png

Sorry for this stupid comment, but I still think that there is a problem.
And in this case it is a perfect -180 .. 180deg map. The rendering is
ok for 3/4th of the map but not the northern part (although there
is a north boundary in the map, see "fixed" map example).

Markus