Hi,
This seems to be a machine- or OS-dependent problem. On my Dell laptop
running Gentoo, the .eps file is created ok and I can view it with
display (ImageMagick) and evince, and make it into pdf using ps2pdf.
From your error message, it appears to be font-related. Do you have
the same problem with a smaller graph, say replacing 40000 by 4 and
20000 by 2? I'm asking because when I look at the file I get with these
options, about 90% of it is just embedding the font, which on my system
is Verdana.
The webpage for matplotlib has something about missing fonts, see
http://matplotlib.sourceforge.net/faq.html#FONTMISSING
They suggest a fix, which might be worth trying.
Best,
Alex
David Roe wrote:
> Hey all,
> I ran into a problem saving a graph to postscript recently. Here's
> what I did:
>
> plot.options['plot_division'] = 40000
> plot.options['plot_points'] = 20000
> P=plot(sin(5/(x)), x,0,1)
> P.save('filename.eps', xmin = -.25, xmax = 1)
>
> Attempting to open the resulting file on my MacBook Pro with either
> Preview or ps2pdf leads to errors (I've pasted in the error from
> ps2pdf at the end of this e-mail in case it's useful to anyone).
> Similar problems arise with .ps, but .png appears to work fine.
>
> David
>
>
>
>
>
>
>
> Error: /invalidfont in -dict-
> Operand stack:
> LucidaGrande --dict:11/14(L)-- Font LucidaGrande
> --dict:11/14(L)-- LucidaGrande
> Execution stack:
> %interp_exit .runexec2 --nostringval-- --nostringval--
> --nostringval-- 2 %stopped_push --nostringval--
> --nostringval-- --nostringval-- false 1 %stopped_push 1
> 3 %oparray_pop 1 3 %oparray_pop --nostringval-- 1 3
> %oparray_pop 1 3 %oparray_pop .runexec2 --nostringval--
> --nostringval-- --nostringval-- 2 %stopped_push
> --nostringval-- 2 4 %oparray_pop 3 4 %oparray_pop
> --nostringval-- --nostringval-- --nostringval-- 7 5
> %oparray_pop --nostringval-- 7 5 %oparray_pop
> Dictionary stack:
> --dict:1120/1686(ro)(G)-- --dict:0/20(G)-- --dict:75/200(L)--
> --dict:6/7(L)-- --dict:17/17(ro)(G)--
> Current allocation mode is local
> Last OS error: 2
> Current file position is 4613603
> AFPL Ghostscript 8.51: Unrecoverable error, exit code 1
>
>
> >
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