Can someone please help and return asap.  This one is beyond me.  Thank you
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Soffie

> I am searching for two algorithms that calculate latitude/longitude and
> bearing/range for a Great Circle or Rhumb Line, and any test data that can
> be used to verify the calculations.  The details are below.
>
> Find the latitude/longitude values of a point along a given great circle
> or rhumb line from a given point on a mercator map, the bearing, and
> range.  Inputs/outputs:  (double lat1, double lng1, double brg, double
> rng, int gcrl, double *lat2, double *lng2); void
>
> Find the bearing and range between two points on a mercator map given a
> great circle or rhumb line.  Inputs/outputs:  (double lata, double lnga,
> double latb, double lngb, int gcrl, double *b, double *r, ); void.
>
>