/net/kana/bob/bin/LINUX/Iso2d:   bob@ashland.Stanford.EDU   Thu Jul  6 11:36:11 2000
		n1=1901
		n2=225
		n3=2
		rollalong=1
		surf_type=0
		geo_depth=1
		src_1=326
		src_depth=1
		src_inc=2
		d1=0.002
		d2=0.02
		group_1=326
		o2=6.5