gnuplot terminal activation

[juanjo]

Hi,

I'm using Octave 2.9.16. The news for this version are that __gnuplot_set__ will be removed in the next version. I use this comand to obtain a plot in other format by changing the terminal. For example:

__gnuplot_set__('terminal gpic');

to set the terminal that allows gnuplot save the graphic in the 'pic' format. I think this is the only way to get it because other functions, as 'imwrite',  use imagemagick that no supports pic format.

I would like to use again the possibility of __gnuplot_set__ but even Octave 2.9.16 give me an error. I try to use __gnuplot_raw__, but it didn't work, although I didn't get an error. Besides, the command replot seems to no work in this version.

I would thank you any suggestion to get a similar result that I got with the following lines:

octave:> __gnuplot_set__('terminal gpic');
octave:> __gnuplot_set__ output "figura.m4";
octave:> replot;
octave:> __gnuplot_set__('terminal x11');

Thank you very much,

Juanjo

[juanjo]

I am replying to myself hoping that it will be helpful for somebody.

It seems that the use of __gnuplot_raw__ as,
 
octave:> __gnuplot_raw__("set terminal gpic;\n")
octave:> __gnuplot_raw__("set output 'figura.m4';\n")
octave:> replot;
octave:> __gnuplot_raw__("set terminal x11;\n")

works or at least it should work. I think the problem is with the 'replot' function because it doesn't work in octave 2.9.16.

However, I have doubts because when the gpic terminal is activated the next plot should go to that terminal instead of the x11 terminal (screen) and the function plot gives a new plot on the screen. I suppose it will be solved in next versions.

[John W. Eaton]

On  2-Feb-2008, juanjo wrote:

| I am replying to myself hoping that it will be helpful for somebody.
|
| It seems that the use of __gnuplot_raw__ as,
|  
| octave:> __gnuplot_raw__("set terminal gpic;\n")
| octave:> __gnuplot_raw__("set output 'figura.m4';\n")
| octave:> replot;
| octave:> __gnuplot_raw__("set terminal x11;\n")
|
| works or at least it should work. I think the problem is with the 'replot'
| function because it doesn't work in octave 2.9.16.

Now that 3.0.0 has been released, 2.9.16 is obsolete.  Please consider
upgrading.

| However, I have doubts because when the gpic terminal is activated the next
| plot should go to that terminal instead of the x11 terminal (screen) and the
| function plot gives a new plot on the screen. I suppose it will be solved in
| next versions.

See the NEWS file for Octave 3.0.0.  The __gnuplot_X__ functions no
longer have any effect on plots generated with the higher level plot
functions like plot, semilogx, mesh, etc., and will be removed from a
future version of Octave (they are already gone from the main
development branch in CVS).

jwe

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