On Fri, Apr 15, 2011 at 3:42 PM, Benjamin Root <ben.r...@ou.edu> wrote:
>
> There might be a possible work-around, though. Maybe (and I am just
> speculating here) if we can get the core part of matplotlib to specially
> treat 3d collection objects in such a way that allows the collection to
> return provide elements and z-order pairs. It is either that, or we finally
> try to get OpenGL working again in matplotlib and allow ourselves to specify
> coordinates in 3-D.
>
>
It should be fairly easy to get a collections object to support multiple
z-orders *within* the collection. Across artists, damn near impossible. I
don't think you need to provide elements and z-order pairs per-se. The
typical way a property is specified for a collection if you want it to vary
over the elements of the collection is that the property is a sequence, and
the property is accessed as prop[i%N] where i is the element number and N is
the length of the property vector. So if we make zorder a len(elements)
sequence of z-orders, we can order the collection by the zorder at draw
time. Presumably external code would modify the zorder of the collection
before each draw depending on the view.
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