> I can't confirm it with POV 3.5 RC6 icl on WinNT Sp 6 PII 233 with 128 MB
> however I have a proposition to check this scene with aditional line at
> begining of script:
> #include "functions.inc"
> IIRC there were some reports previously that it helps.

Yes, it works fine with #include "functions.inc".

It seems to be necessary to use any internal function.
E.g. this renders correctly, too:


#declare F = function { internal(0) }

camera { location <0,2,-3> look_at <0,0,0> }

light_source { <50,100,-100> rgb 1 }

isosurface {
   function { abs(x)+abs(y)+abs(z) }
   contained_by { box { <-3,0,-3>, <3,0.5,3>} }
   threshold 1.3
   max_gradient 2
   pigment { rgb <1,0,0> }
}


-- 
Felix Wiemann

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