0      % ruler presence code, set =1 for ruler, 0 for no ruler
1     % ruler endpoint 1, set this to 0 if no ruler is used
2      % ruler endpoint 2, set this to 0 if no ruler is used
10     % length of the ruler, used in producing correctly scaled centroid size
1      % number of curves in the data set
999    % curve "break" code
1      % closed curve code for curve 1, a 0 is an open curve, a 1 is a closed end curve
60   % number of equally spaced points to calculate along curve 1
