On Feb 18, 8:55 am, "[email protected]" <[email protected]> wrote: > On Feb 18, 8:52 am, "[email protected]" <[email protected]> > wrote: > > On Feb 18, 8:07 am, bob_harris <[email protected]> wrote: > > > > Using the signed decimal degrees units which Google Maps uses, how can > > > I find the direction / angle of a straight line from point A to point > > > B on the map. > > > > I'd like to have an azimuth returned which I can then convert into > > > "english". i.e. > > > 45 degrees = NE > > > 180 degrees = S > > > etc. > > > > I've looked at various formulae on the internet but none of them seem > > > to work for me, the numbers they return don't make any sense. > > > I have managed to make it work. I can't point to a URL off the top of > > my head, but maybe if you provided one to your map where the numbers > > "don't make any sense", we can see what you are doing wrong. If I > > have time I will try and dig up an example I can post. > > Have you looked a Mike Williams' "Bearing" method in his epoly > extenstion?http://econym.org.uk/gmap/epoly.htm
Turned out I had a "bearing" function that I borrowed from Mike's epoly extension already in my GenericMapBrowser. Here is a sample that uses it to calculate the bearing to an arbitrary point from the points defined in the xml file . http://www.geocodezip.com/GenericMapBrowserBearing.asp -- Larry > > -- Larry > > > > > > > -- Larry- Hide quoted text - > > - Show quoted text -- Hide quoted text - > > - Show quoted text - -- You received this message because you are subscribed to the Google Groups "Google Maps API" group. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/google-maps-api?hl=en.
