R help - Mar 2010 - grid graphics - concatenating gLists - is there a function?

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Hi

Mark Heckmann wrote:
> I have to gList objects containing several grobs.
> Now, I want to combine them into a single gList object as e.g. gTree()  
> does not take a nested gList as children argument.
> 
> gl1 <- gList(rectGrob(), rectGrob())
> gl2 <- gList(textGrob("Text 1"))
> 
> Now I want to combine gl1 and gl2 into a single gList object, that is  
> not nested.
I think this should work ...

gList(gl1, gl2)

Paul

> Thanks,
> Mark
> ???????????????????????????????????????
> Mark Heckmann
> Blog: www.markheckmann.de
> R-Blog: http://ryouready.wordpress.com
> 
> 
> 
> 
> 
> 	[[alternative HTML version deleted]]
> 
-- 
Dr Paul Murrell
Department of Statistics
The University of Auckland
Private Bag 92019
Auckland
New Zealand
64 9 3737599 x85392
paul at stat.auckland.ac.nz
http://www.stat.auckland.ac.nz/~paul/

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On Mar 28, 2010, at 5:59 PM, Mark Heckmann wrote:
> Hi Paul,
>
> unfortunately this did not work out.
> I use the following now:
>
> childgrobs <- c(gl1, gl2)
> class(childgrobs) <- "gList"
>
> This seems to work for me.
What about?:

gl3 <- gl1
gl3[length(g1)+1] <- gl2

-- 
David
> Bests, Mark
>
>
> Am 28.03.2010 um 23:44 schrieb Paul Murrell:
>
>> Hi
>>
>> Mark Heckmann wrote:
>>> I have to gList objects containing several grobs.
>>> Now, I want to combine them into a single gList object as e.g.
gTree
>>> ()  does not take a nested gList as children argument.
>>> gl1 <- gList(rectGrob(), rectGrob())
>>> gl2 <- gList(textGrob("Text 1"))
>>> Now I want to combine gl1 and gl2 into a single gList object, that
>>> is  not nested.
>>
>> I think this should work ...
>>
>> gList(gl1, gl2)
>>
>> Paul
>>
>>
>>> Thanks,
>>> Mark
>>> ???????????????????????????????????????
>>> Mark Heckmann
>>> Blog: www.markheckmann.de
>>> R-Blog: http://ryouready.wordpress.com
>>> 	[[alternative HTML version deleted]]
>>
>> -- 
>> Dr Paul Murrell
>> Department of Statistics
>> The University of Auckland
>> Private Bag 92019
>> Auckland
>> New Zealand
>> 64 9 3737599 x85392
>> paul at stat.auckland.ac.nz
>> http://www.stat.auckland.ac.nz/~paul/
>
> ???????????????????????????????????????
> Mark Heckmann
> Dipl. Wirt.-Ing. cand. Psych.
> Vorstra?e 93 B01
> 28359 Bremen
> Blog: www.markheckmann.de
> R-Blog: http://ryouready.wordpress.com
>
>
>
>
>
> 	[[alternative HTML version deleted]]
>
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