[postgis-users] Is the Earth round??

[strk at refractions.net]

On Tue, May 23, 2006 at 10:41:00AM +0200, Carlos Ferrão wrote:
> Hello,
> How does postGIS handle polygons that cross the International Date Line?
> 
> I defined a polygon with POLYGON((177 72, -179 72, 174 66, 173 65, 171
> 65, 171 66, 177 72))
> The polygon is considered invalid because 180 is not connected to -180.
> 
> Is the earth round in postGIS??

Nope, our earth is flat.
I suggest you use a different projection to work with 
data crossing the date line.

--strk;