create objects of class Line or Lines
create objects of class Line or Lines from coordinates
Line(coords) Lines(slinelist, ID)
coords |
2-column numeric matrix with coordinates for a single line |
slinelist |
list with elements of class Line-class |
ID |
a single word unique character identifier, character vector of length one |
Line returns an object of class Line-class;
Lines returns an object of class Lines-class
# from the sp vignette: l1 = cbind(c(1,2,3),c(3,2,2)) l1a = cbind(l1[,1]+.05,l1[,2]+.05) l2 = cbind(c(1,2,3),c(1,1.5,1)) Sl1 = Line(l1) Sl1a = Line(l1a) Sl2 = Line(l2) S1 = Lines(list(Sl1, Sl1a), ID="a") S2 = Lines(list(Sl2), ID="b")
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