Hi Baptiste,
I've fixed this problem in the development version and you can work
around it in the cran version as follows:
ggplot(dfr, aes(fact2, values)) +
geom_point(aes(colour = fact)) +
geom_vline(intercept = 5)
(i.e. make sure the vline never sees that colour has been mapped to an
aesthetic
Dear all,
The following example code produces a graph with ggplot2, to which I
add several vertical lines of arbitrary colors. I am not satisfied
with the legend: it automatically adds some vertical lines which I'd
rather not see (they confuse the reader rather than add information
in th
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