Alberto wrote:
> 
> To me it's hard to say which image is the best. They are all great!.
> 

Thank you.

> I think i'll keep with the last one because of the stones under the
> water. However I prefer the water of the first picture and I think you
> should keep the row of bricks at the top of the tunnel (2nd image). 

I added them because the first version looks too uniform IMO. The 3rd
picture is already a try to combine the first and the second somehow.

> I can see you're making some tests with the stone normal. I think the
> normal of the second image is better (surely it takes more time to render).

Well, it actually is no normal, but real isosurface displacement :-)
The first and third one use normal though.

> 
> About the color for the stones, at first I thought about green, but I'm
> not sure this will do any good for the image. Some white spots
> representing salt accumulation could be added but this doesn't solve
> your question.
> 

I think i will mostly try to make it wet near the waterline and maybe add
some touch of green algae.  

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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