[R] venneuler() - customize a few things.

[Karl Brand]

Cheers Ista,

I thought 'labels' and 'colors' must have been accessible some how.

Thank you very much for showing how to access them,

Karl

On 10/7/2010 7:26 PM, Ista Zahn wrote:
> Hi Kari,
>
> On Thu, Oct 7, 2010 at 12:05 PM, Karl Brand<k.brand at erasmusmc.nl>  wrote:
>> Esteemed UseRs and DevelopeRs,
>>
>> Just coming to terms with the very attractive proportional venn gernator,
>> venneuler(), but would like to customize a few things.
>>
>> Is it possible to-
>
> Say v is a VennDiagram:
>
>> -suppress all circle labels?
>
> v$labels<- rep("", length(v$labels)
>
>> -suppress only certain circle labels?
>
> v$labels<- c("A", "", "C") ## don't print label for B
>
>> -print specific text strings at specified locations within the circles? and
>> unions?
>
> text(.5, .5, "my text here") will print "my text here" right in the
> middle of the graph. Adjusting the coordinates will adjust the
> location. You can use v$centers and v$diameters to position text
> relative to the center of the circles, but I'm not sure how to
> automatically find the unions. You could do it by trial and error.
>
>> -specify circle colors?
>
> v$colors<- c(.1, .5, .9)
>
>> -specify label font, size&  color?
>>
>
> see ?text
>
> Best,
> Ista
>
>> All thoughts and response's greatly appreciated, cheers,
>>
>> Karl
>>
>> --
>> Karl Brand<k.brand at erasmusmc.nl>
>> Department of Genetics
>> Erasmus MC
>> Dr Molewaterplein 50
>> 3015 GE Rotterdam
>> P +31 (0)10 704 3409 | F +31 (0)10 704 4743 | M +31 (0)642 777 268
>>
>> ______________________________________________
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>> 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.
>>
>
>
>

-- 
Karl Brand <k.brand at erasmusmc.nl>
Department of Genetics
Erasmus MC
Dr Molewaterplein 50
3015 GE Rotterdam
P +31 (0)10 704 3409 | F +31 (0)10 704 4743 | M +31 (0)642 777 268