line offset:	2603.6168	2836.8204	3145.6789	4183.0240
line slope:	 754.0079	1384.8482	1973.2957	 847.9260
slope ratio:	   0.5445	   2.3272
subtract ped line offset:	-10370.6596	-7477.5070	-25438.0220	-16849.3027
subtract ped line slope:	 754.0079	1384.8482	1973.2957	 847.9260
slope ratio:	   0.5445	   2.3272
offset:	-10370.6596	-7477.5070	-25438.0220	-16849.3027
x a,b,c:	   0.2541	  -1.0997	   0.0405
y a,b,c:	   0.1274	   1.1917	   0.0604
fval:	   0.2061	   0.1275
x err:	   0.2501	   0.1391	   0.2079
y err:	   0.2266	   0.1789	   0.1391