[Qgis-user] Re: Wrong Area for large polygons in vector/Geometry Tools/Export/Add Geometry Columns

[Nick Hopton]

Agustin Lobo wrote
> 
> Check, for example, polygons with ID 25967 and 26570: according to the
> table,
> the areas are
> 25967: 8550196769
> 26570: 1736474738
> 
Hi Agus, For the same polygons I get:

25967:    8643795084 sq m.
26570: 176283470301 sq m.

The results above were obtained using the field calculator after I had
reprojected your shapefile to UTM Zone 50 North (EPSG:32651). I don't like
Google Mercator.

Regards, Nick.




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