[R] How to vectorize plot graphic?

Jeff Newmiller jdnewmil at dcn.davis.CA.us
Sun Dec 1 18:29:31 CET 2013


You have mentioned nothing about the device you are writing the plot to. If to the default and you are copying it from there as a bitmap, then what you are describing sounds as expected. Read the R Input/Output manual (again) for other output options.
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Sent from my phone. Please excuse my brevity.

Alexander Shenkin <ashenkin at ufl.edu> wrote:
>Hi Folks,
>
>Using ggplot, I've produced the following graphic:
>http://i.imgur.com/39a139C.png
>
>The graphics in the plot seem to be bitmapped and not vectorized.  That
>is, the vertical and horizontal lines jump rows of pixels instead of
>having just nice, angled lines.  Any thoughts about how to get these
>graphics vectorized?  Or am I misunderstanding something?
>
>Another example:
>
>The code:
>
>    require(ggplot2)
> df = data.frame(x = c(1:360), y = sin(seq(0,2*pi*3,length.out = 360)))
>    ggplot(df, aes(x=x, y=y)) + geom_line()
>
>produces http://i.imgur.com/mjjSKih.png
>
>Perhaps what I'm dealing with here is my screen resolution.  However, I
>use ggsave() to save .wmf files, and those also turn out to be bitmaps
>and not vectors.
>
>Thanks,
>Allie
>
>	[[alternative HTML version deleted]]
>
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