Wojtek Bauman wrote:
> 
> Bob Hughes wrote:
> >
> > What version and platform are you running there?
> > Did you try the 'smooth' keyword yet? Just in case it's jaggedly
> > contoured.
> 
> I tried it. I also tried increasing max_trace_level,
> max_intersections
> and adc_bailout, but that didn't help.
> 
> --
> Wojtek Bauman aka reaver | rea### [at] spleenwawpl | ICQ: 3429749 |
> http://reaver.spleen.waw.pl | PGP: finger bauman@inx.pm.waw.pl |

One thing that MAY be happening though you did not mention is it is that
you are using a very low resolution image for the HF and have very sharp
transitions in the height values of the HF itself. Sometimes I have seen
"cracking" in these situations and the fix in my case was to increase the
size of the image used to make the HF from.

-- 
Ken Tyler

See my 850+ Povray and 3D Rendering and Raytracing Links at:
http://home.pacbell.net/tylereng/index.html

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