Hi Anh,

I don´t know if I understood your point fine.
I generate a scatterplot, and open it on adobe photoshop 7.0 with tranparent
background.

setwd("c:\\temp")

x<-runif(100)
y<-rnorm(100)

png("transparent_scatterplot.png", 800, 600, bg="transparent")
plot(y~x)
dev.off()

I hope this help,

miltinho
Brazil

On 6/20/08, Anh Tran <popophobia@gmail.com> wrote:
>
> Hi all,
> I'm putting a few plots together and wondering what format would be best to
> export a few scatter plots to Illustrator to make a figure. I'm thinking
> about overlaying some plot in Illustrator, so the export file type has to
> be
> transparent for Illustrator (version 10).
> I tried PNG and TIFF, but it does not seems to have transparency that is
> recognized by Illustrator (or Photoshop for that matter).
>
> EMF (meta data file) on the other hand is very good. The only problem is
> that every dot on the plot becomes a vector, which slows the program down
> considerably (I have about 200k dots on a graph).
>
> So, is there a good way to import these plot in as picture so I can use
> them
> as layer for Illustrator (Photoshop would be fine too).
>
> Thank you all.
>
> --
> Regards,
> Anh Tran
>
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>
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