[R] Filled contour plot showing labeled isolines?

S Ellison S.Ellison at lgc.co.uk
Thu Nov 25 15:09:02 CET 2010


If you usre filled.contour, then use contour() as a part of the function
supplied as the axis parameter, you can correctly overlay contours on
the colour contour plot.

Steve e  
-----Original Message----- 
From: Fiona Berryman <f.berryman at wlv.ac.uk> 
To:  <r-help at r-project.org> 
 
Sent: 11/25/2010 13:57:06 
Subject: Re: [R] Filled contour plot showing labeled isolines? 
 
 
 
jt306 wrote: 
>  
> Is it possible to create a contour plot with the isolines labeled.  I
know 
> you can do this with Matlab.  Argh! 
>  
> I tried creating a filled contour plot, then using par(new=T),
followed by 
> overlaying the contour plot on top.  However, the placement of the
filled 
> contour plot and the contour plot do not align correctly. Any
suggestions 
> would be appreciated. 
>  
> Thanks, 
> Jon 
>  
>  
>  
>  
 
Jon, 
 
I don't use filled.contour but image and then contour. 
 
Try this. 
 
image(volcano) 
contour(volcano,add=TRUE) 
 
Is this what you want? 
 
Regards, 
 
Fiona 
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