[R] Layers in graphs

[Thomas Fröjd]

Thank you!

Works perfectly.

On Tue, Jul 15, 2008 at 1:31 PM, René Capell <rene.ca at web.de> wrote:
> Hi Thomas,
> without really knowing how your plot looks like: You could try to redraw the first plot in the same device, i.e.:
>
> #graph it
> hist(weights$Weight, freq=TRUE, breaks=breakpoints, main=wfiles[i])
> #lines(dens)
> polygon(dens$x, dens$y, border=NA, col=rgb(1,0,1,0.5))
> #direct into open device
> par(new=T)
> #again your histogram
> hist(weights$Weight, freq=TRUE, breaks=breakpoints, main=wfiles[i])
>
> cheers, René
>
>
>
>
>> -----Ursprüngliche Nachricht-----
>> Von: "Thomas Fröjd" <tfrojd at gmail.com>
>> Gesendet: 15.07.08 13:07:45
>> An: r-help at r-project.org
>> Betreff: [R] Layers in graphs
>
>
>> Hi,
>>
>> I am trying to plot a distribution over a histogram with the polygon()
>> function. However I have to use this function after hist() and that
>> makes the polygon cover the histogram. I would prefer having the
>> histogram at the top layer and the polygon as the background. Is that
>> possible?
>>
>> A workaround is to use pdf and set transparency but that still makes
>> the histogram wrongly colored since the part covered by the
>> transparant polygon is obfuscated.
>>
>> Any help is very welcome, here is my code so far.
>>
>> #graph it
>> hist(weights$Weight, freq=TRUE, breaks=breakpoints, main=wfiles[i])
>>
>> #lines(dens)
>> polygon(dens$x, dens$y, border=NA, col=rgb(1,0,1,0.5))
>>
>>
>> /Thomas
>>
>> ______________________________________________
>> 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.
>>
>
>
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