line offset:	2487.8757	3608.6366	8614.3453	6121.6801
line slope:	1001.4435	1292.5595	1399.8198	1193.2275
slope ratio:	   0.7748	   1.1731
subtract ped line offset:	-10246.0672	-6602.6805	-19566.5496	-14843.7689
subtract ped line slope:	 996.4348	1291.2503	1392.6778	1193.1477
slope ratio:	   0.7717	   1.1731
offset:	-10412.6224	-6646.4705	-19806.9144	-14860.3803
x a,b,c:	  -0.0207	  -1.0663	   0.0436
y a,b,c:	   0.0504	   1.1863	   0.0576
fval:	   0.1666	   0.1327
x err:	   0.2346	   0.1469	   0.1829
y err:	   0.2572	   0.2101	   0.1482