Re: [R] ggplot2 and add circle

From: Alaios <alaios_at_yahoo.com>
Date: Tue, 10 May 2011 10:15:01 -0700 (PDT)


Here you are :)

plot_shad_f<-function(f){
  library(ggplot2)
  dev.new()
  plotdata<-melt(f)
  names(plotdata)<-c('x','y','z')
  v<-ggplot(plotdata, aes(x, y, z = z))
  print(v + geom_tile(aes(fill=z)))

}

f<-matrix(data=seq(1:10000),nrow=100,ncol=100) plot_shad_f(f)

I would like to add a circle at the middle of this region with a range of 10.

Best Regards

Alex

From: Scott Chamberlain <scttchamberlain4_at_gmail.com> Subject: Re: [R] ggplot2 and add circle
To: "Alaios" <alaios_at_yahoo.com>
Cc: R-help_at_r-project.org
Date: Tuesday, May 10, 2011, 5:59 PM

            
                You should provide reproducible data in addition to your code. 
S
                
                
                
                
                On Tuesday, May 10, 2011 at 11:54 AM, Alaios wrote:
                
                    Dear all,

today I have writted the following code, to plot the contents of some matrices I have

plot_shad_f
function(f){
  library(ggplot2)
  dev.new()
  plotdata<-melt(f)
  names(plotdata)<-c('x','y','z')
  v<-ggplot(plotdata, aes(x, y, z = z))
  print(v + geom_tile(aes(fill=z)))
}

I would like to ask your help add a small circle in this plotting. What would be the easiest way to do that in ggplot2?

Best Regards
Alex



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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. Received on Tue 10 May 2011 - 17:17:49 GMT

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