[R] Multiple palettes on single plot don't get rendered when I use dev.copy2pdf

[arun]

Hi,
Try this:
 pdf("broke.pdf")
 palette(rainbow(6))
 plot(x=x1,y=y1,col=y1,xlim=c(-10,20))
 palette(heat.colors(6))
 points(x=x2,y=y2,col=y2)
 dev.off()
A.K.



----- Original Message -----
From: Andrew Crane-Droesch <andrewcd at gmail.com>
To: R help <r-help at r-project.org>
Cc: 
Sent: Tuesday, December 11, 2012 7:17 PM
Subject: [R] Multiple palettes on single plot don't get rendered when I use dev.copy2pdf

Hi All,

I'm having trouble with the colors on my screen getting translated to the colors in the outputted .pdf document.

Here is a caricature of my problem:

par(mfrow=c(1,1))
x1 = rnorm(1000)
x2 = rnorm(1000)+10
y1 = rnorm(1000)+10
y2 = rnorm(1000)+10
palette(rainbow(6))
plot(x=x1,y=y1,col=y1,xlim=c(-10,20))

palette(heat.colors(6))
points(x=x2,y=y2,col=y2)

    dev.copy2pdf(file = "broke.pdf", height = 8, width = 8)

I plot the two normal blobs in two different color palettes, and it looks fine on the screen.  I go to look at the PDF, and they are BOTH in heat map.

How would I render both palettes on the pdf?

Many thanks,
Andrew

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