I'm trying to plot a CCA plot in 3D with ordiplot3d().
Is there a way to plot vertical lines for sites (type="h") as dashed,
instead of solid, which is the default?

Here is the code I use if of any help:

cca.plot3d <- ordiplot3d(CCA, type="h", angle=40)
text(cca.plot3d, "points", pos=c(4, 4, 2, 4, 3, 4, 2, 2, 4, 2))
text(cca.plot3d, "arrows", cex=0.7)
points(cca.plot3d, "points")

Cheers,
Roman

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