On Fri, 21 Dec 2001 16:36:05 +0100, "Gergely Vandor" <ger### [at] vandordatanethu>
wrote:
> This is getting a bit theoretical, but I believe it would be an acceptable
> limitation for my "imagined" program to refuse any pov file with I/O
> commands...

I/O scripts are very usefull. Imagine tree-macro. Put it in animation. Do you
want 10 minutes per frame for parsing of tree generation for every client? Or do
you want send over internet megabytes of this tree for every client? Or do you
want send short script over internet and allow clients apps to generate/write it
once ?

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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