perpPoints | R Documentation |
Compute oriented transects along a polyline (one transect per points)
perpPoints(xy, d)
xy |
matrix n row, 2 column (x and y positions) |
d |
numeric vector of length m defining the distance of the transect from the polyline points. If length m > 1 several transects are returned. |
a list with elements x and y of dimension (n, m).
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