# NOT RUN {
LASfile <- system.file("extdata", "MixedConifer.laz", package="lidR")
las = readLAS(LASfile)
# Full manual tree detection
ttops = find_trees(las, manual())
# Automatic detection with manual correction
ttops = find_trees(las, lmf(5))
ttops = find_trees(las, manual(ttops))
# }
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