1DGF 2 3INTERVAL 40 0 51 1 610 10 7# INTERVAL 8 9PROJECTION 10function angle( x ) = 2 * pi * x[ 1 ] 11function coordfunction( x ) = (x[ 0 ] + 0.2) * [ cos angle( x ), sin angle( x ), 0 ] + [ 0, 0, x[ 1 ] ] 12# PROJECTION 13 14GRIDPARAMETER 15name Helix 16refinementedge arbitrary 17overlap 1 18# GRIDPARAMETER 19 20# DGF 21