Re: h = gca; delete(h); h==gca -> ans=1

[Ben Abbott]

On Oct 22, 2008, at 6:50 PM, Ben Abbott wrote:

> On Oct 22, 2008, at 2:59 PM, John W. Eaton wrote:
>
> > On 22-Oct-2008, Ben Abbott wrote:
> >
> > | While this could be fixed in gca.m I'm sure it is better to take  
> > care of it at a lower level.
> > |
> > | octave:102> plot(1:10)
> > | octave:103> gca
> > | ans = -21.032
> > | octave:104> delete(gca)
> > | octave:105> gca
> > | ans = -21.032
> >
> > I think the following changeset fixes this problem.
> >
> > Thanks,
> >
> > jwe
>
> Thanks, that works.
>
> However,
>
>         octave:8> h = gcf; delete(h); h==gcf
>         ans = 1

It occurred to me that this may be because handles are being recycled.

        octave:13> h = gcf;
        octave:14> delete(h)
        octave:15> get(0,'currentfigure')
        ans = [](0x0)

... and it is. So all looks correct here.

Ben