Do you mean something like Clustr?
http://code.flickr.com/blog/2008/10/30/the-shape-of-alpha/
http://code.flickr.com/svn/trunk/clustr/
-mike.
On Apr 5, 2009, at 11:01 PM, Gary G: wrote:
> Hi,
> is there anyone aware of an algorithm that produces a limiting
> polygon around a heap of nodes - let's say around an osm file cut
> from a planet file?
>
> Best would be PERL...
>
> Thanks
>
> Gerhard
> gary68
>
>
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michal migurski- [email protected]
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