distance3d_pt_pt()

double distance3d_pt_pt	(	const POINT3D *	p1,
		const POINT3D *	p2
	)

Definition at line 818 of file measures3d.c.

References POINT3D::x, POINT3D::y, and POINT3D::z.

Referenced by calc_distances_3d(), iterate_3d(), lwgeom_cpa_within(), and lwgeom_tcpa().

{
  double dx = p2->x - p1->x;
  double dy = p2->y - p1->y;
  double dz = p2->z - p1->z;
  return sqrt ( dx*dx + dy*dy + dz*dz);
}

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