Re: rc1 and qt-gnuplot

[John W. Eaton]

On 12/05/2013 04:10 AM, Daniel J Sebald wrote:
> On 12/05/2013 02:57 AM, Dmitri A. Sergatskov wrote:
> > On Thu, Dec 5, 2013 at 2:36 AM, Daniel J Sebald <address@hidden
> > <mailto:address@hidden>> wrote:
> >
> >
> >
> >     Try these commands again, but this time try to redirect what Octave
> >     is sending through the pipe to a file with:
> >
> >        plot(randn(3));
> >        graphics_toolkit gnuplot;
> >        drawnow ("x11", "/dev/null", false, "foo.gp <http://foo.gp>");
> >
> >
> >
> > octave:1> plot(randn(3))
> > ### got a fltk plot ####
> > octave:2> graphics_toolkit gnuplot
> > octave:3> drawnow ("x11", "/dev/null", false, "x11.gp <http://x11.gp>");
> > error: gl2ps-renderer:: Unknown terminal
> > sh: /dev/null: Permission denied
> > error: octave_base_value::matrix_value(): wrong type argument '<unknown
> > type>'
> > error: drawnow: A(I,J): row index out of bounds; value 1 out of bound 0
> > octave:3>
>
> gl2ps-renderer?  I don't know how that factors in.  But there has been a
> lot of discussion in the past couple days about gl2ps missing during a
> build.  Maybe it has something to do with that.  Just guessing.

I think that's happening because switching toolkits only affects new 
figures.  If you still have the fltk+opengl figure on the screen, the 
next drawnow will still use fltk+opengl.  You need to either close the 
existing figure or create a new one.  So try this instead:

  close all
  graphics_toolkit gnuplot
  ...

jwe