[Qgis-user] Centroid of polygon

[Jonathan Moules]

Hi list,
Quick question, how do you use the Field Calculator to get the centroid as
an attribute? I'm aware of this question answer:
http://gis.stackexchange.com/questions/11705/using-field-calculator-in-qgis-to-update-columns-with-centroid-coordinates
- but want to do it using just the field calculator.

I see under "Geometry" that there's a "centroid" function, but can't figure
out how to use it for this purpose.

Suggestions welcome.
Thanks,
Jonathan

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