On 31 Oct 2001 10:25:46 -0500, Warp <war### [at] tagpovrayorg> wrote:
>  By the way, what is really good about this new behaviour is that now you
> can leave the 'evaluate' after you have fixed the 'max_gradient' to the
> proper value and it will not affect the render (eg. by slowing it).

does it mean correct 'max_gradient' is known/calculated
before render ????? then can be message about bad value of it
displayed before render instead after ? or is it just well optimized
algorithm ?

ABX
--
#declare _=function(a,b,x){((a^2)+(b^2))^.5-x}#default {pigment{color rgb 1}}
union{plane{y,-3}plane{-x,-3}finish{reflection 1 ambient 0}}isosurface{ //ABX
function{_(x-2,y,1)|_((x+y)*.7,z,.1)|_((x+y+2)*.7,z,.1)|_(x/2+y*.8+1.5,z,.1)}
contained_by{box{<0,-3,-.1>,<3,0,.1>}}translate z*15finish{ambient 1}}//POV35

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