[R] Does the "labpt" object in the Polygons-class represent the centroid of the polygon
Roger.Bivand at nhh.no
Fri Feb 6 14:59:30 CET 2009
<Rizzo.Michael <at> epamail.epa.gov> writes:
> I need to calculate the centroids of some spatial polygons that I have
> placed into a Polygons-class object. Is the labeling point in the
> Polygons-class the centroid of the polygon?
Yes. The class documentation at ?"Polygons-class" does not state that this is
the case, because other points might be validly inserted as label points. The
default constructor uses the centroid of the largest non-hole ring in the
> Thank you for your help.
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