</table>


<PRE>
</pre><h4><a name="Abstract">Abstract</a></h4><pre>

   CSPICE_DRDLAT computes the Jacobian of the transformation from latitudinal
   to rectangular coordinates.

</pre><h4><a name="I/O">I/O</a></h4><pre>

   Given:

      radius   the distance of a point from the origin.

               [1,n] = size(radius); double = class(radius)

      lon      the angle of the point measured from the XZ plane in radians.
               The angle increases in the counterclockwise sense about the 
       