[R] graphs superimposed on pictures?

Robert Biddle robert_biddle at carleton.ca
Wed Apr 11 17:33:05 CEST 2007

I don't have the actual book, but had looked at the online examples and not seen anything.
Now I go back and see he does have one example in chapter 3 (using a photo of the moon) and
I just hadn't noticed it.
I think I got frustrated because I was typically searching for "image", and
R uses the term "image" for something different. I was also imagining it would be some kind of
"background" parameter, and it wasn't.
Anyway, thanks again: I now have what I need.

David Forrest wrote:
> On Wed, 11 Apr 2007, Robert Biddle wrote:
>> Hi:
>> I am doing some work that involves plotting points of interest
>> superimposed on photographs and maps. I can produce the plots fine in 
>> R, but so far
>> I have had to do the superimposition externally, which makes it 
>> tedious to do exploratory work.
>> I have looked to see if there is some capability to put a background 
>> picture on a plot window,
>> but I have not found anything.
>> Advice, anyone?
> The cover from Paul Murrell's book "R Graphics" does just that.
> http://www.stat.auckland.ac.nz/~paul/RGraphics/rgraphics.html for examples.
> Dave

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