Click Here to Go to Polygon Friction Zone Card 1 of 3
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XBP1(1) 
YBP1(1) 
XBP1(2) 
YBP1(2) 
XBP1(3) 
YBP(3) 
XBP1(4) 
YBP1(4) 


31 
Card: Field 
Variable 

Description 
Original Units 
Metric Units 
31:1 
XBP1(1) 

Polygon Friction Zone #1 XY Coordinates X coordinate of polygon friction zone #1 Point # 1 
inches/feet 
m 
31:2 
YBP1(1) 

Y coordinate of polygon friction zone #1 Point # 1 
inches/feet 
m 
31:3 
XBP1(2) 

X coordinate of polygon friction zone #1 Point # 2 
inches/feet 
m 
31:4 
YBP1(2) 

Y coordinate of polygon friction zone #1 Point # 2 
inches/feet 
m 
31:5 
XBP1(3) 

X coordinate of polygon friction zone #1 Point # 3 
inches/feet 
m 
31:6 
XBP1(3) 

Y coordinate of polygon friction zone #1 Point # 3 
inches/feet 
m 
31:7 
XBP1(4) 

X coordinate of polygon friction zone #1 Point # 4 
inches/feet 
m 
31:8 
YBP1(4) 

Y coordinate of polygon friction zone #1 Point # 4 If the number of Polygon points specified for Zone#1 on Card 30 is greater than 4, than include additional card(s) 31 where: Card 31, Sequence 1 is for points 5 thru 8 Card 31, Sequence 2 is for points 9 thru 12 Etc. 
inches/feet 
m 
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