int eraGd2gce	(	double	a,
		double	f,
		double	elong,
		double	phi,
		double	height,
		double	xyz[3]
	)

Definition at line 3 of file gd2gce.c.

References height.

Referenced by eraGd2gc(), and t_gd2gce().

{
   double sp, cp, w, d, ac, as, r;

/* Functions of geodetic latitude. */
   sp = sin(phi);
   cp = cos(phi);
   w = 1.0 - f;
   w = w * w;
   d = cp*cp + w*sp*sp;
   if ( d <= 0.0 ) return -1;
   ac = a / sqrt(d);
   as = w * ac;

/* Geocentric vector. */
   r = (ac + height) * cp;
   xyz[0] = r * cos(elong);
   xyz[1] = r * sin(elong);
   xyz[2] = (as + height) * sp;

/* Success. */
   return 0;

}

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