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Re: problem with gnuplot and octave, 2.9.19, MSVC build on windows XP
From: |
Michael Goffioul |
Subject: |
Re: problem with gnuplot and octave, 2.9.19, MSVC build on windows XP |
Date: |
Tue, 18 Dec 2007 07:31:40 +0100 |
On 12/17/07, N. B. <address@hidden> wrote:
>
> when I type
> DISPLAY
> in the octave prompt, I see that it's *not* defined.
> gnuplot_binary returns
> pgnuplot
>
> Michael, I don't know if this is relevant, but on my system, I tried the
> _popen example on MSDN and no matter what I do, it fails: it returns a null
> FILE*. And popen calls _popen... On the other hand, popen2 does not fail (it
> doesn't work, but it doesn't return a null pointer), and if I'm not
> mistaken, it takes a different route.
> On the MSDN, I tried the _pipe example which does a similar job by via
> _pipe, dup, dup2 (I don't recall if they have underscores) and spawnvp and
> that example works. Does this tell you anything?
Indeed, octave uses internally _popen. So if a simple example does not work
on your system, this might be the reason gnuplot backend is not working.
However, I don't have any idea why _popen would not work. Could you try
to look at GetLastError() returned values after _popen fails in your simple
example. This might give some hints about the reason of the failure.
Michael.
- Re: Reading NI TDMS files, (continued)
- Re: Reading NI TDMS files, Michael Goffioul, 2007/12/20
- Re: [OctDev] Reading NI TDMS files, Ryan Rusaw, 2007/12/20
- Re: [OctDev] Reading NI TDMS files, John W. Eaton, 2007/12/21
- Re: [OctDev] Reading NI TDMS files, Ryan Rusaw, 2007/12/21
- Re: [OctDev] Reading NI TDMS files, John W. Eaton, 2007/12/21
- RE: Reading NI TDMS files, Sergei Steshenko, 2007/12/20
- Re: Reading NI TDMS files, novakyu, 2007/12/20
- Re: Reading NI TDMS files, Sergei Steshenko, 2007/12/19
- Re: Reading NI TDMS files, Przemek Klosowski, 2007/12/20
Re: problem with gnuplot and octave, 2.9.19, MSVC build on windows XP, N. B., 2007/12/17
- Re: problem with gnuplot and octave, 2.9.19, MSVC build on windows XP,
Michael Goffioul <=
Re: problem with gnuplot and octave, 2.9.19, MSVC build on windows XP, N. B., 2007/12/18
Re: problem with gnuplot and octave, 2.9.19, MSVC build on windows XP, N. B., 2007/12/18