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Re: Saving pngs without plotting to screen first
From: |
Søren Hauberg |
Subject: |
Re: Saving pngs without plotting to screen first |
Date: |
Fri, 04 Jan 2008 17:14:34 +0100 |
Hi,
A quick look at the archives tells me something like this should help
you
octave:1> figure(1, "visible", "off");
octave:2> plot(sin(1:100));
octave:3> print -dong "/tmp/sin.png"
Søren
fre, 04 01 2008 kl. 08:55 +0000, skrev Koen Tavernier:
> Hi,
>
> I want octave to create a lot of graphs and save them to pngs. I can do
> this without problem using the print function. Because a high number of
> these need generating, my system slows down considerably as gnuplot is
> drawing every plot onto the screen. I have tried to look for solutions
> in quite a few places, but I'm not sure what exactly I should be
> searching for. I'm sure it's something really trivial!
>
> This is the code that currently generates the graphs:
>
> for j = 1:segment
> subplot(2,1,1);
> plot(phase([maxindex(j)-500:maxindex(j)+1500]));
> subplot(2,1,2);
> plot(unfiltered([maxindex(j)-500:maxindex(j)+1500]));
> title = sprintf("segment%d.png", j)
> print(title, "-dpng")
> endfor
>
>
> Thanks in advance,
>
> Koen.
>
>
>
>
>
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