[Qgis-user] How Do I Set Field Calculator Units For Area

[Giovanni Manghi]

Calculations are in the project CRS unit if OTFR is enabled, if not, the
layer CRS unit is set in the general tab of the project properties.

cheers

-- Giovanni --

On Thu, 2011-09-01 at 11:18 +1200, Alister Hood wrote:
> Hi there,
> I *think* the area calculations are always in the unit for the layer's
> CRS.  So you could either:
> - find out what this unit is, and convert the areas to square feet by
> multiplying by the correct factor, or
> - convert the layer to a CRS which uses square feet.
> N.B. there is a feature request to enable coordinate conversion in the
> field calculator (although I didn't mention that it would be useful also
> for area and length calculations).  See http://hub.qgis.org/issues/4078
> 
> Alister
> 
> > Date: Wed, 31 Aug 2011 11:18:32 -0500
> > From: Andrew Novak <novak.andj at gmail.com>
> > Subject: [Qgis-user] How Do I Set Field Calculator Units For Area
> > 	Calcs?
> > To: qgis-user at lists.osgeo.org
> > Message-ID:
> >
> <CAO0Lqnon=aJMKGUb=BPacqxgn+PGn4G2vpe8sn=epxyT+pKtbw at mail.gmail.com>
> > Content-Type: text/plain; charset="iso-8859-1"
> > 
> > The area calculations from my field calculator are in an unknown unit.
> I
> > simply want my units to be square feet. How can I set my units in the
> field
> > calculator??
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