I didn't try it, but it seems to me that if you are using somewhere in the
code:

#declare toto = sphere{0*x,r}

there is not any object in the scene until  you write

object { toto }

It should be the same with your code.

Chaps

"F.Audet" <flo### [at] sympaticoca> wrote in message
news:3BCAFAF3.B8207208@sympatico.ca...
>
>

>
> > On Sun, 14 Oct 2001 21:39:23 -0400, F.Audet wrote:
> > >I decided to do what I wanted to do in simulating an array
> > >with two #while loops, and it finally worked.
> > >But if you could see why the famous array
> > >did not work,  here is the code :
> >
> > Maybe something having to do with returning a local from a macro; this
might
> > have been a bug in 3.1 as well.  Try rewriting the macro like this:
> >
> > >
> > >#declare s1 = seed(1);
> > >#macro bin_01 ()
> > >  #if ( rand(s1) <= 0.5 )
> > >    object { nice_zero }
> > >  #else
> > >    object { nice_one }
> > >  #end
> > >#end
> >
>
> ... It does parse and trace,  but nothing appears on the screen.
> Messages: 1 frame level object; 1 infinite.   // my plane object !
> ... I think it is my fault,  cause I just tried,  a minute ago,  with
> a simple csg object,  without any kind of randomness and #local,
> and it doesn' t work anymore !
>
> in fact,  the following code doesn' t work at all...
> #declare YOUR_ARRAY = array[20][20]
> #declare i = 0;
> #while (i<20)
> #declare j=0;
> #while (j<20)
> #declare YOUR_ARRAY[i][j] = sphere { 0, 1 pigment { White }}
> #declare j=j+1;
> #end
> #declare i=i+1;
> #end
>
> Have I to put it into "object {YOUR_ARRAY}", or something like that ?!?
>
> Alex Pilot
>
> >
> > --
> > #macro R(P)z+_(P)_(P)_(P+1)_(P+1)+z#end#macro Q(C)bicubic_patch{type
1u_steps 6
> > v_steps 6R(1)R(3)R(5)R(7)translate 9*z-2pigment{rgb z}}#end#macro
_(Y)#local X=
> > asc(substr(C,Y,1))-65;<mod(X,4)div(X,4)>#end#local
O=union{Q("ABEFUQWS")Q(// RON
> > "WSXTLOJN")}Q("JNKLCGCD")union{O}union{O translate 3*x}light_source{x
1}//PARKER
>

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