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Rearranges the vertices of a river network object so that vertices are stored sequentially moving up river for all segments (coordinates [1,] are the bottom of each segment).
sequenceverts(rivers)
A new river network object (see rivernetwork)
The river network object to use
Matt Tyers
line2network
data(Gulk) Gulk <- setmouth(seg=1, vert=1, rivers=Gulk) str(Gulk) Gulk.dir <- sequenceverts(rivers=Gulk) str(Gulk.dir)
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