On Jul 2, 2011, at 2:36 AM, Robert Hanson wrote:
> Yes, the bounding box is in molecular coordinates. So except for the ghosting
> -- which I actually do think is done best by displaying two surfaces --
> that's no problem with the applet, because you can just deliver it any way
> you want to. I suggest doing them in two different frames, but you wouldn't
> have to do that.
Great! That's the info I need. One less possibility for changing coordinates
to worry about.
>
> So the isosurface slab plane.... does precisely what you are looking for.
> Both "slab" and "depth" are possible.
> Also, you might want to play around with zshading. That can produce a very
> nice effect.
>
>
> >
> > By the way, you asked about the possibility of duplicating an isosurface so
> > there was a translucent "shadow." Since rendering is a two-pass system, a
> > better way
> I like your idea and have sent a comment in a separate message.
>
>
> However, the problem then is that you really don't have full control over
> the two colors. Having two surfaces should display just as fast -- actually,
> faster, because you don't have to switch colors in between passes. If we did
> the ghost thing, we would have to run through all the colixes and reset them
> on the fly. Could be done.... but not trivially. Also, this will not
> reproduce in PovRAY, I think. (Have to think about that; maybe it will.)
OK, I'll stick with making a duplicate surface. Send me any brainwaves you
have on doing this efficiently. For now, I intend to use the original creation
command and just switch to translucent mesh for the display mode.
Jonathan
Dr. Jonathan H. Gutow
Chemistry Department gu...@uwosh.edu
UW-Oshkosh Office:920-424-1326
800 Algoma Boulevard FAX:920-424-2042
Oshkosh, WI 54901
http://www.uwosh.edu/facstaff/gutow
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