SteveC wrote: > > On 28 May 2008, at 21:35, Richard Duivenvoorde wrote: > >> Richard Fairhurst wrote: >>> Can anybody point me in the direction of an algorithm that will >>> determine whether a closed way (polyline) is clockwise or anti- >>> clockwise? >>> >>> cheers >>> Richard >>> >>> _______________________________________________ >>> dev mailing list >>> [email protected] >>> http://lists.openstreetmap.org/cgi-bin/mailman/listinfo/dev >> >> Richard, >> there is a good set of (explanations of) algorithms here: >> >> http://www.faqs.org/faqs/graphics/algorithms-faq/ >> >> There is no copy and paste code there, but the explanation how to do it >> in "Subject 2.07: How do I find the orientation of a simple polygon?" >> can maybe help you further? > > ugh - pointlessly complicated
You're welcome. Still hope it was helpfull for Richard Richard Duivenvoorde _______________________________________________ dev mailing list [email protected] http://lists.openstreetmap.org/cgi-bin/mailman/listinfo/dev

