Re: [matplotlib-devel] errorbar layering issue?

[Benjamin R. <ben...@ou...>]

On Wed, Jul 27, 2011 at 10:57 AM, Benjamin Root <ben...@ou...> wrote:

> I have come across an odd layering issue with errorbars.  The errorbar caps
> are not drawn at the same layer as the errorbar itself.  Also, the line
> connecting multiple errorbars are plotted on a completely different layer
> than the errorbars.  I am attaching an example demonstrating this.  Note the
> green caps are showing up on top of the red errorbar, meanwhile, the red
> errorbar is drawn on top of the green errorbar.  Also notice that the thin
> red line connecting the red errorbars is showing up on top of the green cap
> for lambda = 1.
>
> I am not exactly sure how this should be fixed.  It is most likely an issue
> with the fact that the caps are drawn as markers instead of a line (I am
> guessing so that the marker would then be sized based on width in points
> instead of data).  When an axes' child objects are z-sorted, the objects
> that do not declare a z-order are loaded in the order of their creation (or
> is it in some arbitrary order based on the type of collection?).
>
> Cheers,
> Ben Root
>


Just for the record, I filed issue #409 here:
https://github.com/matplotlib/matplotlib/issues/409

Ben Root