[R] ggplot2: Changing colour scheme for bar plot filling?

[Xie Chao]

On Wed, Mar 10, 2010 at 6:13 PM, baptiste auguie
<baptiste.auguie at googlemail.com> wrote:
> not with the theme, as far as I know, but you can do:
>
> set_default_scale("fill", "discrete","grey")

Can I set default shape in similar way? I tried this:

set_default_scale("shape", "discrete", 19)
Error in get(paste("Scale", firstUpper(scale), sep = "")) :
  object 'Scale19' not found

Thanks a lot!

Xie Chao

>
> baptiste
>
> On 10 March 2010 10:31, Johannes Graumann <johannes_graumann at web.de> wrote:
>> Indeed. Thank you. Is there a global switch analogous to
>> "theme_set(theme_bw())"?
>>
>> thanks for your help, Joh
>>
>> On Wednesday 10 March 2010 10:29:05 baptiste auguie wrote:
>>> Hi,
>>>
>>> last_plot() + scale_fill_grey()
>>>
>>> should do it
>>>
>>> HTH,
>>>
>>> baptiste
>>>
>>> On 10 March 2010 09:46, Johannes Graumann <johannes_graumann at web.de> wrote:
>>> > Hello,
>>> >
>>> > I'd like to sitch to a monochrome/bw color-palette for the filling of
>>> > geom_bar-bars (produced via "qplot" as in the example below). Hours of
>>> > googling didn't yield anything useful, so I thought, I'd just ask ...
>>> >
>>> > Thanks, Joh
>>> >
>>> > library(ggplot2)
>>> > qplot(factor(cyl), data=mtcars, geom="bar", fill=factor(cyl))
>>> >
>>> > ______________________________________________
>>> > R-help at r-project.org mailing list
>>> > https://stat.ethz.ch/mailman/listinfo/r-help
>>> > PLEASE do read the posting guide
>>> > http://www.R-project.org/posting-guide.html and provide commented,
>>> > minimal, self-contained, reproducible code.
>>>
>>
>
> ______________________________________________
> R-help at r-project.org mailing list
> https://stat.ethz.ch/mailman/listinfo/r-help
> PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.
>