[Qgis-developer] Centroid and centroid fill

[Paolo Cavallini]

Il 21/10/2011 20:12, Martin Dobias ha scritto:
> The centroid fill uses the same formula. The differences are:
> 1. centroid fill calculates the centroid for each polygon of
> multipolygon separately

Yes, realized,and quite reasonable.
> 2. centroid fill takes into account the polygons clipped to area
> visible for rendering
Also reasonable. At full zoom however the two should converge, right?
It seems to me that they do not.
> 3. centroid fill does not consider holes.
>
> The behavior of 1,2 is forced by the way how symbology works. The item
> 3 can be handled.
This does not seem too bad.
Thanks for the explanation.
All the best.

-- 
Paolo Cavallini
See: http://www.faunalia.it/pc