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  slclean: removes small connected components from a streaming
           line file. operates like a filter. is designed to be
           used in piping mode (e.g. -islb -olsb).
 
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example usage:

>> slclean -i ../data/lidar_band10.slb -o ../data/lidar_band10_clean.slb

removes all lines with a length shorter than 5 units.

>> slclean -i ../data/lidar_band10.slb -segment 100 -o ../data/lidar_band10_clean.slb

removes all lines with fewer than 100 segments

try:

slclean -i ../data/armadillo40.slb -oslb | sl_viewer.exe -islb
slclean -i ../data/armadillo40.slb -length 3 -oslb | sl_viewer.exe -islb
slclean -i ../data/lidar_band10.slb -length 2 -oslb | sl_viewer.exe -islb
slclean -i ../data/lidar_band10.slb -length 10 -oslb | sl_viewer.exe -islb
slclean -i ../data/lidar_band10.slb -length 10 -oslb | slsimp -islb -area 1 -oslb | sl_viewer.exe -islb

for more info:

>> slclean -h
usage:
slclean -i in.slb -o out.slb
slclean -islb -osla -segment 50 < in.slb > out.sla
slclean -islb -osla -length 2.0 < in.slb > out.sla
slclean -compact -length 2.0 < in.slb > out.sla
  the defaults are -length 5.0 and -segment 0

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if you find bugs let me (isenburg@cs.unc.edu) know.