trans_format with ggplot2 0.9.2.1

[Mark]

I didn't notice this with 0.9.2 but I have a problem with trans_format
and scale_colour_continuous. It seems to add single quotes to the
labels. scale_y_continuous handles it appropriately, however. Here is
an example:

> x <- runif(100, 0, 10)
> y <- 10^(x)
> qplot(x, y, colour=y) + scale_y_continuous(trans="log10", labels=trans_format("log10", math_format())) + scale_colour_continuous(trans="log10", labels=trans_format("log10", math_format()))
> trans_format("log10", math_format())(log_breaks()(y))

[Dennis Murphy]

Hi:

The same problem arises when you simplify the plot call - it appears that the problem is how math_format() communicates with scale_* functions. A parsing issue, perhaps?

library(ggplot2)
library(scales)

x <- runif(100, 0, 10)

qplot(x, x, color = x) + scale_y_continuous(labels = math_format()) +
        scale_color_continuous(labels = math_format())

Dennis

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[Winston Chang]

Hm, I'm not sure exactly what the issue is here, but it appears to be fixed in the development version.

-Winston