jtornero

def  vinc_pt(f, a, phi1, lembda1, alpha12, s ) : 
        import math
        """ 
        Returns the lat and long of projected point and reverse azimuth 
        given a reference point and a distance and azimuth to project. 
        lats, longs and azimuths are passed in decimal degrees 
        Returns ( phi2,  lambda2,  alpha21 ) as a tuple
        Parameters:
        ===========
            f: flattening of the ellipsoid