// The input argument "scale" specifies the unit scale for the various
// locations where scale=0.01 indicates unit scales in cm etc...
// In case scale<=0, the unit scale for locations is determined from the
// begin, reference or endpoint of the track. If neither of these
// The input argument "scale" specifies the unit scale for the various
// locations where scale=0.01 indicates unit scales in cm etc...
// In case scale<=0, the unit scale for locations is determined from the
// begin, reference or endpoint of the track. If neither of these