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Hi Jim,

Would you send me your files? I'm interested in using Qt4 myself.

Thanks,
Darren

On Wednesday 31 May 2006 11:51, James Amundson wrote:
> Hello,
>
> I have ported the existing Qt(3) backend to Qt4. Qt4 is a substantial
> change from Qt3; the Python bindings for Qt have also changed
> substantially. Since the two versions of Qt are likely to coexist for at
> least a while, I think it makes sense to have a separate Qt4 backend.
>
> How do I go about contributing my Qt4 backend? I have three files:
> backend_qt4.py, backend_qt4agg.py  and embedding in qt4.py.
>
> Best,
> Jim Amundson
>
>
>
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Darren S. Dale, Ph.D.
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Hello,

I have ported the existing Qt(3) backend to Qt4. Qt4 is a substantial
change from Qt3; the Python bindings for Qt have also changed
substantially. Since the two versions of Qt are likely to coexist for at
least a while, I think it makes sense to have a separate Qt4 backend.

How do I go about contributing my Qt4 backend? I have three files:
backend_qt4.py, backend_qt4agg.py  and embedding in qt4.py.

Best,
Jim Amundson

Hi everyone,

Here is a script that creates a graph with a y-axis break. I went with a 
suggestion from Darren to use two axes and draw a break symbol in between 
them. The advantage of two axes is that you can pan them independently (plus 
it's probably easier). It shows roughly what I think it should look like, but 
I still have to improve a few things. So I have a few questions:

- how can I hide the y-ticks in the middle of the graph (so hide only the 
ticks on the top y-axis of the lower axes while leaving the ones at the 
bottom there?

- Can I somehow use a transAxes transform so the axis break symbol (now 
implemented as a LineCollection) stays in the same position when panning? Is 
a LineCollection the best choice? I tried with a Patch class, the problem is 
that the verts of this symbol are not connected.

> >>>>> "Ralf" == Ralf Gommers <r.g...@uc...> writes:
>
>     Ralf> Hi everyone, Guess no-one has a trick yet to put in an axis
>     Ralf> break. My question is now, should this not be on the goals
>     Ralf> list at least?
>
>     Ralf> If the developers think it is a good idea to implement this,
>     Ralf> I would like to have a go at it. As I'm not all that
>     Ralf> familiar with the matplotlib internals it would be great if
>     Ralf> someone has any ideas on how to go about it.
>
> This is not possible and is not easy.  Currently, we don't even have
> independent control of the lines that surround the white axes box (the
> left and right y-axis lines and the upper and lower x-axis lines.  It
> is a long-standing wish to be able to control these independently of
> the axes box, and this would be a good place for you to start.  See
> axis.py and axes.py.
>
> JDH

Thanks,
Ralf