Re: [matplotlib-devel] New backend API

[Charlie M. <cw...@gm...>]

On 3/20/06, Darren Dale <dd...@co...> wrote:
> On Monday 20 March 2006 17:57, John Hunter wrote:
> > >>>>> "Darren" =3D=3D Darren Dale <dd...@co...> writes:
> >
> >     Darren> I havent modified extension code before, and this change
> >     Darren> would affect all the *agg backends, so I dont want to
> >     Darren> commit before checking.
> >
> > Here is a quick checklist of things to consider before committing Agg
> > changes
> >
> >   1) makes a plot that you can interact with
>
> check
>
> >   2) passes backend_driver.py screening for Agg
>
> check
>
> >   3) passes unit/memleak_hawaii3.py with no appreciable memory leak
>
> Average memory consumed per loop: -0.1637k bytes (? thats odd.)
>
> >   4) does something useful....
>
> It helped me procrastinate, that's sort of useful.
>
> > If it satisfies these, in my view it is suitable for public consumption=
.
>
> As of svn 2181, if you use a *Agg backend or the postscript backend with =
the
> new API, the following script will yield a gap in the line, see attached.=
 I
> guess we need to decide if this is desireable behavior in general, I thin=
k it
> is pretty useful myself.
>
> a=3Darange(21, dtype=3D'd')
> a[10]=3Dnan
> plot(a, '-o')
> savefig('nan_masked.png')
>

This might not be related, but since when did bar charts of zero break?

bar(arange(10), zeros(10))

I have animation code, and this has been the starter code for a long
time.  In the last few days this has broke though with a
ZeroDivisionError in ticker.py.

- Charlie