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Re: gset term & octave
From: |
mbn |
Subject: |
Re: gset term & octave |
Date: |
Thu, 13 Mar 2008 09:38:58 -0700 (PDT) |
This sort of "fixed" my problem:
gset term x11
gset output "/dev/null"
....
gset term png;
eval(sprintf('gset output \"%s.png\"',file_name_prefix));
The garbage is not shown anymore.
However, is annoying to specify X11 at the begining because I get a window
with a plot that appears and dissapears quickly before I am able to set the
terminal to png and save the plot.
Can somebody suggest a way to do this without the X11 window being shown
with the plot?
Thanks in advance.
P.S. I also tried without setting the terminal to X11 and priting directly
to the PNG but I see in the resulting .png only one of the series I try to
plot and not the others (although after looking at the size of the file I
think they are somehow there). Why could this be happening?
mbn wrote:
>
> Hello
>
> I am trying to generate png image from a plot in Octave.
>
> My environment is the following (Linux):
>
> ===========================
> $ octave -v
> GNU Octave, version 2.1.57
>
> $ gnuplot --version
> gnuplot 4.0 patchlevel 0
>
> ===========================
>
>
> When I use gset term, I get random garbage (with or without ; at the end
> is the same):
>
>
> ===========================
> octave:1> gset term png
> PNG
>
> IHDR,Vs[aO`)PLTE @@nn@@nn @@ @
> @@`@@address@hidden@0``@@@@address@hidden@@@` @address@hidden@ ` ```
> ...
>
>
> octave:2> gset output 'myfile.png'
> ===========================
>
> At the end, the image is generated but why am I getting all that garbage?
> I have tried that in several Linux boxes (RedHat) and I always receive the
> same error.
>
> How can I solve that?
>
> Thanks in advance
>
>
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