[R] overlapping a plot with an external image

[Meinhard Ploner]

On Wednesday, May 21, 2003, at 04:38  PM, Prof Brian Ripley wrote:

> On Wed, 21 May 2003, Meinhard Ploner wrote:
>
>> It's possible to overlap an external image (jpg or pdf)
>> with a plot generated with R?
>>
>> Specifying the image as the background
>> of the plot might not be possible...
>
> Although this has been discussed, R graphics devices cannot as yet plot
> bitmap images.  So all one can do is to plot a set of rectangles: for 
> that
> the pixmap package might be helpful.
>
> Although we might add the ability to plot a bitmap image, note that it 
> is
> not straightforward, as R screen graphics devices can be dynamically
> resized.  What should be done with a plotted image then?  Interpolate 
> on
> the fly?

The plotted image should be a logo of the project / department and I
like to add it on every plot  - for esthetical and descriptive reasons 
;-)

MP

> -- 
> Brian D. Ripley,                  ripley at stats.ox.ac.uk
> Professor of Applied Statistics,  http://www.stats.ox.ac.uk/~ripley/
> University of Oxford,             Tel:  +44 1865 272861 (self)
> 1 South Parks Road,                     +44 1865 272866 (PA)
> Oxford OX1 3TG, UK                Fax:  +44 1865 272595
>
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