[Qgis-user] geometry attribute units

[Carlos Cerdán]

>>
> The perimeter is calculated in units of the layer. If that has degrees
> (like EPSG:4326), the perimeter result is surely nonsense.
> You have to reproject your datasource to a projected CRS that uses metres,
> feet or miles to get a useful result.
>
>
>
Just a little correction: geometry is not calculated in units of the layer,
but in units of the project. Be sure that "on the fly" reprojection is
disabled. If doesn't, it causes a wrong result (an issue of QGIS that is
not solved yet).

Good luck

Carlos Cerdán
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