// gen_obstacles --poly=30,-20:30,-140:120,-140:120,-20 --amt=5 --min_size=1 --max_size=6
region    = pts={30,-20:30,-140:120,-140:120,-20}
min_range = 2
min_size  = 6
max_size  = 10
poly = pts={75,-89.4:79.6,-94:79.6,-100.6:75,-105.2:68.4,-105.2:63.8,-100.6:63.8,-94:68.4,-89.4},label=ob1