[postgis-users] meaning of distance for unprojected data?

[Duana Stanley]

When I have unprojected data (SRID = -1) I can still perform the spatial
query distance() on two geoms even though the documentation for the
distance() function says cartesian distance using projected units.

Why does it not produce an error when I ask for the distance between two
geoms with SRID = -1?  Is there a default GCS used when data is
unprojected?

Thanks
Duana.




-- 
aka duana at students.cs.mu.oz.au