I looked into this, and I found that the mesh=True property is
supposed to be passed via RenderParams to jmol_repr(). However, this
isn't happening. Graphics3d.export_jmol (which is invoked by show())
has a keyword parameter for mesh, but it is never referenced in the
body of the function. I think that setting simply render_params.mesh =
mesh after render_params is initialized should do the trick. Does
anybody know where/how this functionality was broken?

(Also it looks like dots may be broken as well?)

I will open a ticket tomorrow and submit a patch.

-- Bill

On Sat, May 30, 2009 at 5:10 PM, Alex Ghitza <aghi...@gmail.com> wrote:
> I have tried this in 3.4.1, 3.4.2, and 4.0.rc2, without success:
>
> plot3d(lambda x,y: exp(x+y*I).real(), (-2, 2.4), (-3, 3), mesh=True)
>
> I get a nice looking surface (see attached jpeg file), but no mesh
> lines.  Is anybody else experiencing this?
>
>
> Best,
> Alex
>
>
> --
> Alex Ghitza -- Lecturer in Mathematics -- The University of Melbourne
> -- Australia -- http://www.ms.unimelb.edu.au/~aghitza/
>
> >
>

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