plot_tree: Build a tree graph from a named list
In VoisinneG/flowR: R-shiny interface for the analysis of flow cytometry data

Build a tree graph from a named list

plot_tree(
  gates,
  attrs = list(graph = list(rankdir = "LR"), node = list(fixedsize = FALSE, fillcolor =
    "gray", fontsize = 40, shape = "ellipse"))
)

`gates`	a named list. Each list element should contain a item 'parent' with the name of its parent list element
`attrs`	parameter passed to Rgraphviz::layoutGraph()