David Fontaine wrote:
> 
> Originally rendered at 5000x2000 aa0.3, took 12h 48m 59s and 76,767,231
> bytes.
> 
> Once again I forgot to add the horns on top of the locomotive (the
> actual one is missing them too). And the "random" function seems to have
> made fairly un-random results yet again.

I like it, but it really needs at least this size to look good.  The final
scene will probably render quite slow.  

> I'm going to have a lot of work left on the bridge and landscape. I have
> the bridge pretty much done, but it hardly has a detail level anywhere
> near the train itself. I think I'll have the camera at one of the ends
> over a pylon, it's much easier to make realistic concrete than steel. I
> tried a turbulent bozo texture to make rusty spots but it doesn't look
> quite right. And I can use roundprism().

IMO rough rust is quite unnecessary in this case.  either paint it or make
it just dark brown with some variations and a granite or small bumps
normal.  

> [...]
> 
> Any tips on making the landscape?
> 

I would use a heightfield, because an isosurface is probably slower and
more difficult to adapt to the bridge.  You might consider using 2
different heightfields for both sides of the bridge.  

Trees would be interesting too, but i would keep them far away from the
camera so you can do them with simple image maps.  

Christoph

-- 
Christoph Hormann <chr### [at] gmxde>
IsoWood include, radiosity tutorial, TransSkin and other 
things on: http://www.schunter.etc.tu-bs.de/~chris/

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