Prune nodes from a catmaid neuron, keeping the synapses

# S3 method for catmaidneuron
prune(x, target, maxdist, keep = c("near",
  "far"), return.indices = FALSE, ...)

Arguments

x	a neuron object
target	Nodes ids for removal
maxdist	The threshold distance for keeping points
keep	Whether to keep points in x that are near or far from the target
return.indices	Whether to return the indices that pass the test rather than the 3D object/points (default FALSE)
...	additional arguments passed to methods (i.e. `prune`).

A pruned neuron object