Re: Octave on Mac (Intel): GNUplot problem

[Vic Norton]

Hi Thomas,

I'm running Octave 3.2.3 and Gnuplot 4.2.6 on Mac OSX 10.6.1. These  
Octave and Gnuplot live in Octave.app and Gnuplot.app respectively.

The plotting commands
  x=0:0.1:2*pi;
  plot(2*sin(x));
  plot3(sin(x), cos(x), x);
work perfectly (via Aquaterm) when I run Octave interactively.

On the other hand I often use Octave and Gnuplot (separately) via the  
shebang lines
  #!/usr/local/bin/octave
  #!/usr/local/bin/gnuplot
The octave and gnuplot files here are symbolic links to the  
corresponding files in the Octave and Gnuplot applications. On my  
system calling gnuplot from octave via the shebang line:
  #!/usr/local/bin/octave
  x=0:0.1:2*pi;
  plot(2*sin(x));
  plot3(sin(x), cos(x), x);
produces nothing. What do I need to add to make this octave/gnuplot  
combination work? Am I just missing some output file line?

Regards,

Vic

On Oct 14, 2009, at 7:34 AM, Thomas Treichl wrote:

> Huub van Niekerk schrieb:
> > Hi,
> >
> > I have the latest Octave and GNUplot for Mac installed. Both Octave  
> > and
> > GNUplot start fine, but when I call either plot or plot3 (e.g.
> > x=0:0.1:2*pi; plot(2*sin(x)); plot3(sin(x), cos(x), x)) from Octave,
> > there's no plot-window showing up. Any idea what could be wrong?
> >
> > Thank you.
>
> Hi,
>
> I think you are talking about the latest Octave.app and Gnuplot.app  
> available
> from Sourceforge? If this is the case then it sounds to me like the  
> typical
> problem that sometimes this happens and I don't know why it happens.  
> Try to
> start gnuplot this way
>
>   GNUTERM=aqua /Applications/Gnuplot.app/Contents/Resources/bin/ 
> gnuplot
>
> and try to plot something with the command
>
>   plot sin(x)/x
>
> Or, maybe AquaTerm should be enabled in your Gnuplot.app. For this  
> please read
> the topic
>
>   Do I have to install AquaTerm.app before I install Gnuplot.app?
>
> in the Readme.html file of gnuplot-4.2.6-*.dmg.
>
> Best regards
>
>   Thomas
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