[R-sig-Geo] Combining regions in one map

[Michal Palenik]

hello

maybe postgis and its aggregate function would be a better tool for this
http://postgis.refractions.net/documentation/manual-svn/ch08.html#PostGIS_Aggregate_Functions



michal palenik
On Fri, Apr 30, 2010 at 11:08:35AM +0200, Renger van Nieuwkoop wrote:
> Hi
> I just started using PBSmapping for R and have the following question:
> I have shape files for the quartier level of a big city.Now I want to combine several quartiers to one bigger region.
> I have an attribute which relates the PID from the quartiers to the regions, but I do not manage to get a map of the region.
> It might be simple, but I haven't found out yet.
> Can anybody help me?
> Thanks
> Renger
> 
> _________________________________________
> Renger van Nieuwkoop
> Centre for Energy Policy and Economics, ETH
> Z?richbergstrasse 18 (ZUE)
> CH - 8032 Z?rich
> mailto: renger at vannieuwkoop.ch
> 
> 
> 
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-- 
michal palenik
www.freemap.sk
http://wiki.freemap.sk