[Gvsig_english] computing area

[Nik Go]

It's just a shapefile.

On Wed, Feb 25, 2009 at 10:25 PM, anouar_badri <anouar_badri at yahoo.fr>wrote:

>
> Hi ;
> what DB did you use (PostGIS) ???
>
>
>
>
> Nikolai Go wrote:
> >
> > I'm trying to determine the total area of features but the area()
> function
> > of the field calculator are returning numbers that are off the real-world
> > sizes. I have real-world numbers for comparison. (Calculator returns
> > 0.122893 km2 when the actual size is 1,483.38 km2)
> >
> > Am I doing anything wrong?
> >
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> >
> >
>
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