Marc-Hendrik Bremer wrote:
> 
> Jpg-compression was not very friendly to the roughness of the mortar, but I
> think, this one is big enough for a technical-study.
> I wonder if it's worth to follow this path further (and which way to go),
> cause this simple scene with aa 0.3 needed 22 m 19 s on my PII 450 MHz (with
> some other stuff running as well). It's one isosurface, using the
> brick-pattern as a function and Jeff Lee's technique to give the bricks
> individual colours. The textures still needs a lot of work.
> 
> What do you think?
> 

It looks nice, but the brick pattern, like other color list patterns, is
not well suited for isosurfaces because of the infinite gradient problem. 
I think one could make a special continuous isosurface function similar to
the brick pattern to avoid this.  

The mortar looks a bit too 'glowing' maybe reduce the ambient component.  

BTW, what exactly is Jeff Lee's technique?

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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