Re: [matplotlib-devel] API additions

[Eric F. <ef...@ha...>]

Ted Drain wrote:
> John,
> I think that the problem isn't doing the inversion - it's keeping it.  
> Calling set_xlim() to invert is fine - but it never seems to stay that 
> way.  There is a lot of code (resizing, autoscaling, labelling, etc) 
> that has a tendency to flip the axis back to it's 'un-inverted' state.  
> The idea behind having a flag on the axis itself is so that other code 
> can check that easily to see what the state of the axis is.
> 
> We do a lot of plots that require an inverted axis and we've had tons of 
> problems keeping the axis inverted (which is where the idea for the flag 
> came from).  It seems like people forget that this is possible and add 
> code that assumes that xmin < xmax which then ends up flipping the axis 
> back to it's "normal" state (this happens in the aspect ratio code for 
> example).

OK, I found an example with set_aspect(2, adjustable='datalim').

I would still like to see as many specific examples as you can provide.

Eric
> 
> Ted