hei,

just as a guess: what kind of coord sys do you use for the point shp and of which kind is the field you want to calculate the fields in? double?

please specify.

foe

On 26/03/2013 16:38, Cascafico Giovanni wrote:

Sorry for newbie question. A point shp opened  in qgis is correctly displayed, but whenever I try to extract $x or $y in field calculator I get null values. Why?



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