On 29 May 2008, at 09:47, Richard Duivenvoorde wrote: > 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 >
I didn't mean you, I meant the FAQ. > Richard Duivenvoorde > > Best Steve _______________________________________________ dev mailing list [email protected] http://lists.openstreetmap.org/cgi-bin/mailman/listinfo/dev
