That is a good idea! thanks!
On Oct 29, 12:04 pm, "Barry Hunter" <[EMAIL PROTECTED]>
wrote:
> You could use the distance function to calculate this. Calc the
> distance between the points, and as you know the circumference of the
> earth, the ratio between those distances is the same as the ratio
> between your required angle and a full circle.
>
> But the distance formula is probably working from angles then
> converting to distance, so you can simplify the calculation back, to
> just give you what you need
>
> As the earth isnt actully a perfect sphere its all aproximate anyway.
>
>
>
> On Wed, Oct 29, 2008 at 3:33 PM, csdude <[EMAIL PROTECTED]> wrote:
>
> > Uhm, no I am not looking for the bearing.
>
> > If I have two coordinates and I draw a vector from the center of the
> > earth to each of the coordinates, I want the angle between the two
> > vectors.
>
> > Ron
>
> > On Oct 29, 11:26 am, "warden [Andrew Leach - Maps API Guru]"
> > <[EMAIL PROTECTED]> wrote:
> >> On Oct 29, 3:18 pm, csdude <[EMAIL PROTECTED]> wrote:
>
> >> > does anyone know of a routine/algorithm to calculate the angle between
> >> > two lat/long coordinates ? (is there something in the API that does
> >> > that ?)
>
> >> Presumably you mean the bearing.
> >> Seehttp://www.movable-type.co.uk/scripts/latlong.html
> >> for lots of useful stuff in one place.
>
> >> Andrew
>
> --
> Barry
>
> -www.nearby.org.uk-www.geograph.org.uk-
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