JRG <jrg### [at] hotmailcom> wrote:
: I noticed you did not use any specular higlights in your glass textures. Are
: you doing so because specular highlights do not exist in RL and you are
: leaving the work to real reflections?

  Specular highlights are a method to simulate a physical phenomenon which
happens in reality. It's very difficult to simulate this phenomenon by using
just reflection (you need *at least* blurred reflection and probably something
more).

-- 
#macro N(D,I)#if(I<6)cylinder{M()#local D[I]=div(D[I],104);M().5,2pigment{
rgb M()}}N(D,(D[I]>99?I:I+1))#end#end#macro M()<mod(D[I],13)-6,mod(div(D[I
],13),8)-3,10>#end blob{N(array[6]{11117333955,
7382340,3358,3900569407,970,4254934330},0)}//                     - Warp -

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