Point and Lines in the PDF created by ggplot will become very small point when edited by illustrator

[Shicheng Guo]

Hi All,

Did you find some amazing things. I prepared a figure with ggplot and set the point and lines large enough (point size=6), and If I open the pdf with adobe reader, the figure is quite good. However, when I tried to edit it with illustrator, the lines and point become very little? what happend? Any suggestions? Thanks. 

DAFB.png is opened by adobe reader (above)  while 45E.tm.png is opened by illustrator (bottom). 

======================

script:

f<-ggplot(tmpp,aes(-log(LD,10),-log(Cor,10)))+geom_point(size=6)+ geom_smooth(method = "lm", se = FALSE)

f<-f+xlab("LD：-log(P,10)")+ylab("Cor:-log(P,10)")+theme_bw()+theme(plot.background = element_blank(),

                   panel.grid.major = element_blank(),

                   panel.grid.minor = element_blank())

pdf("example.pdf",width=5,height=5)

print(f)

dev.off()

======================

[Roman Luštrik]

Have you tried opening the pdf with a different program, like Inkscape? In case his repeats there too, there is some chance that this is indeed pdf mandated. If not, there's a chance that Illustrator is doing something behind the scenes.

Cheers,

Roman

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[Hadley Wickham]

Try svg instead?

Hadley

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[Joe Willage]

Does ggsave give the same problem?