All,
I have ported JavaScript code from a couple of websites to R for three
functions that solve my problem.
'calc.destination.sphere' assumes a perfect spheroid with a given radius
'calc.destination.ellipsoid' assumes an ellipsoid
'calc.destination.Vincenty' uses the Vincenty model which app
The following function does what Eric describes, if the earth's surface
is close enough to a sphere.
Roger, I'll try to document it properly for inclusion in Maptools.
Cheers, Arien
# compute the place where you end up, if you travel
# a certain distance along a great circle,
# which is uniqu
On Thu, 27 Sep 2007, Eric Archer wrote:
> Is there a package that contains a function that will allow me to calculate
> the ending latitude and longitude given a starting point on the earth's
> surface and bearing and distance? I have searched the archives but have been
> unable to find one an
Is there a package that contains a function that will allow me to
calculate the ending latitude and longitude given a starting point on
the earth's surface and bearing and distance? I have searched the
archives but have been unable to find one and would like to double check
before I try to rol