R: Re: [Qgis-user] FTOOLS Calculate Area error

[enricofiore at libero.it]

Hi,
I check and there's not ticket opens for this specific problem. I opened one 
ticket, but I aren't sure to report in the correct way. Can you control?

https://trac.osgeo.org/qgis/ticket/3500

thanks

Enrico


----Messaggio originale----
Da: cavallini at faunalia.it
Data: 18/02/2011 9.34
A: "enricofiore at libero.it"<enricofiore at libero.it>
Cc: <qgis-user at lists.osgeo.org>
Ogg: Re: [Qgis-user] FTOOLS Calculate Area error

Il giorno mer, 16/02/2011 alle 21.30 +0100, enricofiore at libero.it ha
scritto: 
> Hi,
> I try to calculate area with ftools add geometry column. I have noted that 
in 
> automatic new field “AREA” have this properties type=real lenght=10 
> precision=6, this involve an error, some numbers are lost, because the Area 
> number have lenght>10.
> Example: if I calculate Piedmont area with Ftools obtain 2539107283 
> if I calculate the same Area , add new column (type real lenght=20 
> precision=5) and use calc field ($area) I obtain 25391072834.9971.

Hi Enrico.
Thanks for the report. Have you checked that there is no ticket open on
this? If not, please open one, not to miss this issue.
All the best.
-- 
http://www.faunalia.it/pc