David Greaves wrote:

> eerie...
>
> I just posted the same problem on povray.general  - I uploaded a couple of images
> - take a look.
> Same problem? (nb my pipes are bicubic patches - from sPatch)
>
> I used a standard texture T_Silver_5B (ok, I changed the roughness from 1/60 to
> 1/20 - but thats all)
>
> I doubt the problem is that which Nieminen describes. All my patches have
> flatness 0 and we're not getting spots or cracks, its a nice smooth (but
> unwanted) light
>
> David

In light of the fact you are experiencing problems with
patches it wouldn't hurt to try a non zero value.
Try a value of  0.01 - 0.0001 and see what kinds of
differences there are.
It also wouldn't hurt to double check your spatch
source file to make sure it doesn't contain overlooked
errors. I haven't used it much myself yet, but it is a
common occurrence in 3D modeling packages, to
think you have all of your vertices properly connected,
only to find out later, when looked at from a different
angle, things are not what they appeared to be.

Ken Tyler

-- I trace Rays but those guys can really hide ! --

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