sorry...forgot to tag the subject as [matplotlib-devel]
On 4 March 2013 13:35, David Verelst <david.vere...@gmail.com> wrote:
> Hi,
>
> I am running Arch Linux, Matplotlib 1.2, Python 2.7, and today I realized
> that generating *.eps figures when matplotlib is using the latex output
> rc('text', usetex=True) results in a corrupted eps figure in combination
> with Ghostscript 9.07. The png variant of the same figure works fine, eps
> works fine if usetex=False. Everything works fine when I downgrade back to
> Ghostscript 9.06.
>
> Is this related to this?
> https://github.com/matplotlib/matplotlib/issues/1693
> https://github.com/matplotlib/matplotlib/pull/1694
> If it is, I guess the problem is already solved. Haven't tested that yet
> (need to build matplitlib from git first...)
>
> I have no idea if this is Arch Linux packaging, Ghostscript or Matplotlib
> issue...hence this email.
>
> Regards,
> David
>
>
> An example, from: http://matplotlib.org/users/usetex.html
>
> #!/usr/bin/env python"""You can use TeX to render all of your matplotlib text
> if the rcparameter text.usetex is set. This works currently on the agg and
> psbackends, and requires that you have tex and the other
> dependenciesdescribed at
> http://matplotlib.sf.net/matplotlib.texmanager.htmlproperly installed on your
> system. The first time you run a scriptyou will see a lot of output from tex
> and associated tools. The nexttime, the run may be silent, as a lot of the
> information is cached in~/.tex.cache
> """from matplotlib import rcfrom numpy import arange, cos, pifrom
> matplotlib.pyplot import figure, axes, plot, xlabel, ylabel, title, \
> grid, savefig, show
>
> rc('text', usetex=True)rc('font', family='serif')figure(1, figsize=(6,4))ax =
> axes([0.1, 0.1, 0.8, 0.7])t = arange(0.0, 1.0+0.01, 0.01)s =
> cos(2*2*pi*t)+2plot(t, s)
> xlabel(r'\textbf{time (s)}')ylabel(r'\textit{voltage
> (mV)}',fontsize=16)title(r"\TeX\ is Number
> $\displaystyle\sum_{n=1}^\infty\frac{-e^{i\pi}}{2^n}$!",
> fontsize=16,
> color='r')grid(True)savefig('tex_demo.eps')savefig('tex_demo.png')
> show()
>
>
> When converting the eps figure with imagemagick (just to check the file),
> the following error is given:
> $ convert Desktop/tex_demo.eps ddd.eps
> Error: /dictstackunderflow in --end--
> Operand stack:
>
> Execution stack:
> %interp_exit .runexec2 --nostringval-- --nostringval--
> --nostringval-- 2 %stopped_push --nostringval-- --nostringval--
> --nostringval-- false 1 %stopped_push 1900 1 3 %oparray_pop
> 1899 1 3 %oparray_pop --nostringval-- 1883 1 3
> %oparray_pop 1771 1 3 %oparray_pop --nostringval--
> %errorexec_pop .runexec2 --nostringval-- --nostringval--
> --nostringval-- 2 %stopped_push --nostringval--
> Dictionary stack:
> --dict:1169/1684(ro)(G)-- --dict:0/20(G)-- --dict:82/200(L)--
> Current allocation mode is local
> Last OS error: No such file or directory
> Current file position is 102614
> GPL Ghostscript 9.07: Unrecoverable error, exit code 1
> Error: /dictstackunderflow in --end--
> Operand stack:
>
> Execution stack:
> %interp_exit .runexec2 --nostringval-- --nostringval--
> --nostringval-- 2 %stopped_push --nostringval-- --nostringval--
> --nostringval-- false 1 %stopped_push 1900 1 3 %oparray_pop
> 1899 1 3 %oparray_pop --nostringval-- 1883 1 3
> %oparray_pop 1771 1 3 %oparray_pop --nostringval--
> %errorexec_pop .runexec2 --nostringval-- --nostringval--
> --nostringval-- 2 %stopped_push --nostringval--
> Dictionary stack:
> --dict:1169/1684(ro)(G)-- --dict:0/20(G)-- --dict:82/200(L)--
> Current allocation mode is local
> Last OS error: No such file or directory
> Current file position is 102614
> GPL Ghostscript 9.07: Unrecoverable error, exit code 1
> convert: Postscript delegate failed `Desktop/tex_demo.eps': No such file
> or directory @ error/ps.c/ReadPSImage/836.
> convert: no images defined `ddd.eps' @
> error/convert.c/ConvertImageCommand/3068.
>
>
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