Robert Hanson wrote:
> Also, I ran into a problem with planes that I'm not sure how to get around. 
> It appears that 
> isosurfaces and planes in VRML are one-sided. I mean REALLY one-sided-- 
> viewed from one 
> side you see the color, and from the other side you see nothing. The plane 
> just disappears. 

You could try to use this:
where you have 
        normalPerVertex TRUE
(line 219 of _VrmlExporter.java)
add
        solid FALSE
According to the doc, that should make  both sides visible.


But I don't see this problem in a partial molecular isosurface using 11.7.47; 
the surface is 
orange and lit on both sides. Same in a test pyramid with an open side.





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