branchlabelfun

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Tree Branch Membership Labelling Function

Creates a function which returns the tree branch membership label for any location on a linear network.

Keywords
spatial, math
Usage
branchlabelfun(L, root = 1)
Arguments
L

Linear network (object of class "linnet"). The network must have no loops.

root

Root of the tree. An integer index identifying which point in vertices(L) is the root of the tree.

Details

The linear network L must be an acyclic graph (i.e. must not contain any loops) so that it can be interpreted as a tree.

The result of f <- branchlabelfun(L, root) is a function f which gives, for each location on the linear network L, the tree branch label at that location.

Tree branch labels are explained in treebranchlabels.

The result f also belongs to the class "linfun". It can be called using several different kinds of data, as explained in the help for linfun. The values of the function are character strings.

Value

A function (of class "linfun").

See Also

treebranchlabels, linfun

Aliases
  • branchlabelfun
Examples
# NOT RUN {
  # make a simple tree
  m <- simplenet$m
  m[8,10] <- m[10,8] <- FALSE
  L <- linnet(vertices(simplenet), m)
  # make function
  f <- branchlabelfun(L, 1)
  plot(f)
  X <- runiflpp(5, L)
  f(X)
# }
Documentation reproduced from package spatstat, version 1.56-1, License: GPL (>= 2)

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