[Qgis-user] Calculating polygon area

2013-05-02 Thread Lynkos
Dear all, here I am back with one of my usual newbie questions which I'm sure has such a simple answer that I already feel embarassed in advance! Here goes anyway... I'm trying to calculate the area and perimeter length of a polygon shapefile. Using the QGIS measuring tool and clicking along the

Re: [Qgis-user] Calculating polygon area

2013-05-02 Thread Alexandre Neto
Hello Sarah, I believe its a Coordinate System Problem. You data is probably in a Geographic CRS (Lat Long). That means that using field calculator the measuring are being made in Degree instead of meters. Best way to do what you need is to reproject your data in some Projected CRS (choose a