[udig-devel] Area of a polygon?

Jody Garnett jgarnett at refractions.net
Fri Aug 10 10:21:24 PDT 2007


Nope you are going to have to transform yourself into an equal area 
projection and then call the area function.  Because the world is 
squished differently the further north you go in WSG84 you need to make 
that transformation.

Do you know an equal area projection for the region in question?
Jody

tony.roth at GMX.de wrote:
> the area is calculated in "square degrees"? what?!
> wihtout changing my projection (I want WGS84) is it somehow else 
> possible to get the calculated area of a polygon? Someone has a 
> formular for that?
>  
> tony roth



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