R help - Apr 2009 - Igraph: family 'serif' not included in PostScript device

Does anybody know how to solve this error?

postscript(file= "file.ps", family = "Helvetica", font =
"Helvetica")
plot.igraph(g, layout=layout.circle, vertex.label.font=2)
dev.off()
error in  text.default(x, y, labels = labels, col = label.color, family 
= label.family,  :
  family 'serif' not included in PostScript device


Regards Knut

Knut, see this thread here:
http://lists.gnu.org/archive/html/igraph-help/2007-07/msg00010.html

Best,
Gabor

On Thu, Apr 16, 2009 at 10:03 AM, Knut Krueger <rh at krueger-family.de>
wrote:
> Does anybody know how to solve this error?
>
> postscript(file= "file.ps", family = "Helvetica", font
= "Helvetica")
> plot.igraph(g, layout=layout.circle, vertex.label.font=2)
> dev.off()
> error in ?text.default(x, y, labels = labels, col = label.color, family
> label.family, ?:
> ?family 'serif' not included in PostScript device
>
>
> Regards Knut
>
> ______________________________________________
> R-help at r-project.org mailing list
> https://stat.ethz.ch/mailman/listinfo/r-help
> PLEASE do read the posting guide
http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.
>


-- 
Gabor Csardi <Gabor.Csardi at unil.ch>     UNIL DGM