R help - Aug 2012 - label_wrap_gen question

Hi, all

I am trying to use the label_wrap_gen function in this website.
https://github.com/hadley/ggplot2/wiki/labeller
I tried to make a long name like this

Light and heavy good vehicles (diesel) -\nGVX

f2 = facet_grid(vehicle ~ ., labeller=label_wrap_gen(width=15))

eventually, I got something like this in my label...
*Light and heavy 
good vehicles 
(diesel) - GVX*
I suppose the "-n" could break GVX to the next row but it failed...
Is it a bug? or it has been overpowered by "width=15"?? so
"-n" could not
function well?

Eventually I tried f2 = facet_grid(vehicle ~.)

The "-n" did work and I got 
*Light and heavy  good vehicles (diesel) -
GVX*

But it also failed because I could not show all the label properly...

Anyone has idea about this?
It is freaking me out~ I am sorry I am stupid on R
Thanks in advance.

VD






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On 8/6/2012 9:07 PM, vd3000 wrote:
> Hi, all
>
> I am trying to use the label_wrap_gen function in this website.
> https://github.com/hadley/ggplot2/wiki/labeller
> I tried to make a long name like this
>
> Light and heavy good vehicles (diesel) -\nGVX
>
> f2 = facet_grid(vehicle ~ ., labeller=label_wrap_gen(width=15))
>
> eventually, I got something like this in my label...
> *Light and heavy
> good vehicles
> (diesel) - GVX*
> I suppose the "-n" could break GVX to the next row but it
failed...
> Is it a bug? or it has been overpowered by "width=15"?? so
"-n" could not
> function well?
>
> Eventually I tried f2 = facet_grid(vehicle ~.)
>
> The "-n" did work and I got
> *Light and heavy  good vehicles (diesel) -
> GVX*
>
> But it also failed because I could not show all the label properly...
>
> Anyone has idea about this?
> It is freaking me out~ I am sorry I am stupid on R
> Thanks in advance.
>
> VD
label_wrap_gen uses strwrap to do the "heavy lifting" of figuring out 
how to actually split the text into lines. From the help page of 
strwrap, "Whitespace (space, tab or newline characters) in the input is 
destroyed.", so this is documented behavior. I don't see an option to 
strwrap to suppress this behavior.
> --
> View this message in context:
http://r.789695.n4.nabble.com/label-wrap-gen-question-tp4639364.html
> Sent from the R help mailing list archive at Nabble.com.
>

-- 
Brian S. Diggs, PhD
Senior Research Associate, Department of Surgery
Oregon Health & Science University

Hi, Brian

So, I could only rename the label by myself such as 

Light and heavy\ngood vehicles (diesel) -\nGVX 

in order to get

Light and heavy 
good vehicles (diesel) - 
GVX

Right?




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