survey skylight -entrance SC1
	centreline -cs UTM50
		date 2001.1.1
		units tape feet
		data normal from to tape compass clino left up down right ignoreall
	     SC1      SC2     6.56   191.00    -5.00     0.00     6.56     3.28     3.28
	     SC2      SC3    28.22   183.00   -85.00     3.28    13.12     0.00     0.00
	     SC3      SC4    73.16   204.00   -90.00     9.84    49.21    72.18     3.28
	     SC4      SC5    39.37   193.00   -17.00     9.84    72.18     0.00     9.84
	     SC5      SC6    13.12    44.00   -38.00    13.12    98.43     3.28     0.00
	     SC6      SC7    13.12   171.00   -62.00     0.00     3.28     0.00     3.28
	     SC7      SC8    17.39    63.00   -45.00     9.84    13.12     3.28     0.00
	     SC8      SC9    10.83   355.00   -37.00     3.28     3.28     0.00     6.56
	     SC9     SC10     7.22   297.00   -42.00     0.00     3.28     3.28     3.28
	    SC10     SC11     7.22    20.00   -20.00     3.28     3.28     0.00     0.00
	endcentreline
endsurvey