[R-sig-Geo] contour lines on a plot

[Virgilio Gomez Rubio]

Maxime,

> It doesn't help, it does! Many thanks!
> Do you know if there is a way to label contour using contourLines(), or, 
> alternatively, to specify the type of  line? Unfortunately, 
> drawlabels=TRUE or lty=n don't work.

For that, you can check the example here:

http://www.asdar-book.org/code.php?chapter=6&figure=9

Particularly, at the top lines like

lyt05 <- list("sp.lines", cl05a, lwd=2, lty=2, col="grey95")

Cheers,

Virgilio