Ben,

your code fixed the shading problem, but it did not change anything on the
clipping error.
I also found that changing the cstride/rstride helps 'sometimes'. But also
does changing the 
linewidth. The problem is consistency with my loop...

I understand this is a bug that is not easy to fix. It would be totally
sufficient for me if I could  only find some parameters that'll always work.
But this is not the case. Since there is no random procedure in the code
there must be some footprint so that the starting parameters are not the
same all the time. Maybe it is a memory thing and I have just to clear a
cache/display buffer or something?



Benjamin Root-2 wrote:
> 
> 
> arsbor,
> 
> Actually, in your case, I think the issue was also caused by the bad array
> construction and plot_surface() was getting bad data depending on the
> strides.  There is no random number generator in the code-path, so
> *something* must change.  I noticed that it would happen as I changed the
> cstride/rstride values for the top cover (before I had fixed the top
> cover).  If you still notice the issue now, let me know and I will look
> into
> it further, but it shouldn't be happening for you.
> 
> Ben Root
> 
> 
> 
> 

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