Change Axis text/position from within Geom

[tom kern]

Hi,

is there a way to change the axis text/position from within a Geom?

E.g.

GeomCustom <- proto(Geom, {
...change the axis text here...
})



Thank you,
Thomas

[baptiste auguie]

geoms only affect what's inside the plot panels; as an example there's an annotation for log tick marks, but they're constrained to stay inside the plot, so not a real axis in ggplot2's framework.

b.

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[tom kern]

Thank you.
How would you go about creating a geom and changing the labels? making an independent function that creates and operates on a newly created empty ggplot(), adding (+) geom_line, geom_area, geom_point and scale_* to it ?

e.g.

tmp = function(data){

data-manipulation
ggplot() + geom_point(data1,...) + geom_point(data2,...) + geom_line(data3,...) + scale_y_continuous(breaks=...)

}

thomas

[tom kern]

I just realized the geom function can return a list.

might as well do

geom_custom <- function(.......){
list(GeomCustom$new(.........), scale_y_continuous(............))