Hi Alain,

Your code gives me an error. It says: "No matching } in 'sphere',, found 
instead".

This part of code is:
======================================
#declare Lipid=sphere{0,2,1 texture{pigment{color Red}finish{ambient 0.2 
diffuse 0.8 phong 1}}}
======================================
Why this error? I have closed de all the }
Understood that's is better declare the identifiers with a capital letter. 
Thanks a lot for reminder me that.



Hi Mike,

Thanks for your help Mike, but that's not what I was looking for. I'm 
traying to unify all the spheres to obtain an uniform membrane.

Thanks all the helps,
Oleguer



news:41fc4324$2@news.povray.org...
> Oleguer Vilella nous apporta ses lumieres en ce 2005-01-29 11:25:
>> Hi all,
>>
>> I have done this code:
>> ======================================
>> #declare lipid =  union {
>> blob{  threshold 0.1
>> sphere {<0, 0, 0>, 2 ,1 texture {pigment { color Red }finish { ambient 
>> 0.2 diffuse 0.8 phong 1 }}}
>> }}
>>
>> #macro Make_Stuff (Stuff,How_Many)
>> #local Ample=-12;
>>
>> #while (Ample<How_Many)
>> object{Stuff  rotate <0,0*Ample,0> translate<3*Ample,9*cos (Ample/8),0> }
>> #local Ample=Ample+1;
>> #end
>> #end
>>
>> #declare layer = union {Make_Stuff (lipid,100)}
>> global_settings { max_trace_level 29 }
>>
>> #macro Make_Many (Stuff,How_Many)
>> #local Fons=0;
>>
>> #while (Fons<How_Many)
>> object{Stuff  translate <0,3*sin (Fons/8),3*Fons> translate <10, -20, 
>> 30>}
>> #local Fons=Fons+1;
>> #end
>> #end
>>
>> union {Make_Many (layer,50)}
>> ======================================
>> How can I unife all the spheres?
>> Thanks in advance.
>>
>> Oleguer
> You can start by removing the union and blob from the lipid object:
> #declare Lipid=sphere{0,2,1 texture{pigment{color Red}finish{ambient 0.2 
> diffuse 0.8 phong 1}}}
>
> Then, in the Layer object:
> #declare Layer=blob{thresshold 0.1 Make_Stuff(Lipid,100)}
>
> I did not try it.
> Note: it's beter to *always* start any user defined identifier with a 
> capital letter, it prevent any name clash with built-in reserved name, 
> present and future. Who know if a future fersion could use "layer" for 
> some purpose?
>
> Alain

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