
            title = sprintf( 'Corner vector %d', i );
            dvec = bounds(:,i);

         else

            title = sprintf( 'Boresight vector' );
            dvec = bsight;

         end

         %
         % Compute the surface intercept point using
         % the specified aberration corrections.
         %
         [surf] = <b>mice_srfxpt</b>( METHOD, TARGET, et, ABCORR, OBSRVR, ...
                               dref, dvec );

         if( surf.found )

            %
            % Convert recta