if count is positive that implies resultant is clockwise direction
if ( $ count > 0 ) { if ( $ count % 4 == 0 ) $ d = " N " ; else if ( $ count % 4 == 1 ) $ d = " E " ; else if ( $ count % 4 == 2 ) $ d = " S " ; else if ( $ count % 4 == 3 ) $ d = " W " ; }