   f1a MLw 0.902   0.930   1.080   1.110  ct 0.08 0.7
   f2a MLw 1.150   1.178   1.315   1.345  ct [CTHRESH5] lct/rct> 0.9 1.1
   n1a NOT [NOTGREENVEG]  1  0.50a 0.5   \# NOT vegetation, feat 1, depth .50, fit .5
