ABX <abx### [at] babilonorg> wrote in
news:7jm4lu4jg6nar7m8iud8osf1d7bgjdk9it@4ax.com 

>> 3. so I'm preparing a small unoficial version, with just litte
>> boost-up of some variables (lower tolerances, higher max
>> max_trace_levels, intersections, etc)
> I'm really interested in results.

ok, but patch will be ready probalby not ready before next 2..4 weeks.
I'll announce in it .patches and here
wish me luck :)

and - this (not mesh as float's) is the problem - an it easy to explain.
heightfield scaled by <20,5,20> with 4096^2 bitmap has triangles as small 
as 20/4096 - with get close to shadow tollerance, especialy in this parts 
of map that has to low gradient, as on this images :

http://www.raf256.com/pov/hf_shadow_problem/ (in 30 min on server)

-- 
#macro g(U,V)(.4*abs(sin(9*sqrt(pow(x-U,2)+pow(y-V,2))))*pow(1-min(1,(sqrt(
pow(x-U,2)+pow(y-V,2))*.3)),2)+.9)#end#macro p(c)#if(c>1)#local l=mod(c,100
);g(2*div(l,10)-8,2*mod(l,10)-8)*p(div(c,100))#else 1#end#end light_source{
y 2}sphere{z*20 9pigment{function{p(26252423)*p(36455644)*p(66656463)}}}//M

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