Starting from CVS mpl, I tested examples/quadmesh_demo.py
> and found that it worked only with numarray; Numeric and
> numpy refused to cast the Float64 X and Y arrays to Float32.
> So I fixed that in CVS by using the astype method. Now the
> demo works with numpy and numarray, but segfaults with
> Numeric. I have not tried to track the problem down; it is
> very low priority for me. Given the momentum towards numpy,
> it might not be worth tracking down at all.
I'm a little hesitant to leave in a segfault because they can be
very difficult to track down. Perhaps Alex and/or Paul can address
If it proves too difficult, we should at least check for Numeric in
calls to quadmesh and generate a warning before the segfault occurs.