Re: ⎕PLOT

[Dr . Jürgen Sauermann]

    Hi Hudson,
      
      thanks, fixed in SVN 1573.
    
    Best Regards,
    Jürgen

On 6/20/22 3:42 PM, hudson@hudsonlacerda.com wrote:

> Hi Jürgen,
>
> If I close some plot windows manually, and then execute ⎕plot ¯3, I get warnings like this one:
>
> (apl:7886): GLib-GObject-WARNING **: 10:40:23.020: invalid unclassed pointer in cast to 'GtkWindow'
>
> It sems other bugs are fixed.
>
> Thanks.
>
> Hudson
>
>
> ----- Em 19 de Jun de 2022, em 14:20, Dr. Jürgen Sauermann mail@jürgen-sauermann.de escreveu:
>
> > Hi Hudson,
> >
> > thanks, see below.
> >
> > Best Regards,
> > Jürgen
> >
> > On 6/19/22 4:34 PM, [ mailto:hudson@hudsonlacerda.com | hudson@hudsonlacerda.com
> > ] wrote:
> >
> > > Hi.
> > >         
> > > A few things about ⎕plot:
> > >         
> > > 1) GNU APL info manual says (2.31):
> > >    ⎕PLOT ¯3      ⍝ close all plot windows
> > >         
> > > However:
> > >       ⎕plot 2 1 4 3
> > > 94820426042176
> > >       ⎕plot ¯3
> > > *** Could not find w_props 0xfffffffffffffffd in plot_stop() ***
> > > 0
> > >         
> > > [After that, further ⎕plot calls randomly display older plot data, if any.]
> > >         
> > Fixed, SVN 1571 .
> >
> > > 2) Is there any way to reuse on the same plot window (instead of
> > > storing/closing the handle and creating a new plot window every time)?
> > > (Likewise the default "plot()" behaviour of GNU Octave.)
> > >         
> > not really (and providing it would mean quite some rework). I believe that
> > the advantages would be quite minimal and under the hood it would probably
> > still do the same.
> >
> > If you create the new window before closing the old one (i.e. in a
> > make-before-break fashion and with the same window attributes, then I
> > believe there will be no noticeable difference to using the same window
> > multiple times.
> >
> > > 3) Info manual (2.31.3) says that a plot can be closed "by opening the
> > > drop down menu of the window (at the top left of the window)",
> > > but that seems to be system-specific. Here, I can find a similar menu
> > > but right-clicking the window-manager border at the top of the window.
> > >         
> > Documentation fixed, SVN 1571 .
> >
> > > Hudson
> > >         
> >       
>