data(Ballinderry)
riverlayout <- RiverLayout(B.river$River,B.river$Length,
B.river$Parent,B.river$Position,
B.river$Distance, direction = -1)
RiverDraw(riverlayout)
RiverFrame(riverlayout, bd.col = "green",
pt.col = "red", ln.col = "orange")
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