Re: [matplotlib-devel] Proposal for Broken Axes

[Andrew S. <str...@as...>]

John Hunter wrote:
> On Mon, Mar 15, 2010 at 3:16 PM, klukas <kl...@wi...> wrote:
>   
>> It's my understanding that there is no built-in method for generating a
>> "broken axis" (where you skip over some range of values, indicating this
>> with some graphical mark).  I wanted to do this, so I've put together a
>> function which seems to be fairly robust, and I thought I might propose it
>> as a starting point if there's interest in having a built-in facility for
>> broken axes.
>>
>>     
> This is a nice start of an oft requested feature, and we are
> definitely interested.  It is enabled by the spine contribution of
> Andrew, so you can turn off the upper and lower spines between the
> break, so it is nice to see some unintended benefits of his
> refactoring.
>
>
> An alternative implementation could craft a custom transform using
> some custom artists for spines, but this might be a good bit harder.
> Do you have an opinion Andrew on this approach?
>   

John, I'm attaching a helper function I wrote to do just this.
Unfortunately, I don't have time to attempt to merge this into MPL right
now...

On Mon, Mar 15, 2010 at 3:16 PM, klukas <kl...@wi...> wrote:

> The only real problems here is that you need to
> explicitly plot things on both the upper and lower axes, and then I haven't
> figured out how to push out the y-axis label of the main axes object so it
> doesn't overlap with the tick labels of the upper and lower axes.  So, I
> instead moved the y-labels of the upper and lower axes so that they appear
> at the center of the axis, but this is problematic.  Any thoughts on how to
> do that part better?

klukas, I'm afraid I don't understand your issue... Can you explain using it differently?

-Andrew