Number 3. 3rd times a charm, with a bit of tweaking.
I used the number 2 image combined with a 3rd render, having better
absorption, by using layered image_map textures with transmit and filter
on a white 'background'.
I still wasn't entirely happy with the contrast of that render so I
opened it into PSP and adjusted it there; not much, but much better.
Probably could have gotten a good finish to do the same though I used no
light.
Speaking of light, I used two in the top of the explosion cloud. One
point light and one a 'spotlight' above that and pointing down with a
'radius 15 falloff 30 tightness 1'.
Don't think I said before but the air cloud and ground rings are simply
textured torii, no media in them. It was too slow that way.


Bob Hughes wrote:
> 
> Here's the ground shockwave addition. Funny Margus would mention an ior
> in it. I thought of that while adding it in (higher pressure air,
> thicker, denser, so higher refraction? sounds good) though I only used
> it in the outer ring and no noticeable difference.
> I still need to add a better absorption to the mushroom to mask out the
> background, or rather, give it better thickness. I enhanced the
> atmosphere shockwave a bit and removed the inner media object as well,
> it was just messing it up anyway. Speedier render of course, around an
> hour and a half I think. Closed POV before looking.
> May be back with a third (and final?).
> 
> Bob Hughes wrote:
> >
> > GrimDude wrote:
> > >
> > > Hmm, animating it may prove difficult.
> > >
> >
> > You bet. Took 2h 46m to render this one, with AA on, on a 233MMX cpu. I
> > used a double instance of the object though and it would have probably
> > taken only 1h 45m I guess. I did so many s-l-o-w test renders at 160x120
> > I gave up at this point with a 320x240 res. See what you think,
> > realistic or not. I believe it's lacking a lot still. Namely better
> > color differentation.
> >
> > Disclaimer: nuking of any form is not necessarily endorsed by the maker
> > of this image nor implied to be by the newsgroup proprietors. But you
> > may want to check with the original creator and poster(s) as to their
> > beliefs.
> >
> > How's that for legal mumbo-jumbo?
> >
> > --
> >  omniVERSE: beyond the universe
> >   http://members.aol.com/inversez/homepage.htm
> >  mailto:inv### [at] aolcom?Subject=PoV-News
> >
> >   ------------------------------------------------------------------------
> >  [Image]
> 
> --
>  omniVERSE: beyond the universe
>   http://members.aol.com/inversez/homepage.htm
>  mailto:inv### [at] aolcom?Subject=PoV-News
> 
>   ------------------------------------------------------------------------
>  [Image]

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  http://members.aol.com/inversez/homepage.htm
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