Warp wrote in message <3b0e537f@news.povray.org>...
> Wlodzimierz ABX Skiba <abx### [at] abxartpl> wrote:
> : I've started with refer{} patch
> What does it do?


You are talking in thread about it in p.u-p and you ask ? It will use pointers
to object instead of copying object. Mainly to 'copy' CSG (meshes have this type
of optimization) with memory saving (and time of parsing).

--
#macro Sig(A,B,X)_(A,B)_(B,X)_(X,A)#end#macro _(A,B)cylinder{<A.x,A.y,3>,<B.u,
B.v,3>.1,9}#end global_settings{max_trace_level 9}light_source{0 1}camera{up y
*4right-3*x}blob{_(<3,1>,<1,-5>)_(<2,-2>,<4,-2>)Sig(x,<-1,1.5>,<1,3>)_(z-1,z-4
)pigment{rgb 1}}box{-3 3pigment{rgb 0}finish{reflection 1}hollow} // POV-Ray31

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