# Code table 3.21 - Vertical dimension coordinate values definition
0 0 Explicit coordinate values set 
1 1 Linear coordinates f(1) = C1, f(n) = f(n-1) + C2 
# 2-10 Reserved 
11 11 Geometric coordinates f(1) = C1, f(n) = C2 * f(n-1) 
# 12-191 Reserved 
# 192-254 Reserved for local use 
255 255 Missing