Steve Shelby nous apporta ses lumieres ainsi en ce 2004-09-19 09:34... :

>Is there a program available that allows you to place points for a 3d
>spline, showing what the spline path looks like, and allowing you to move
>points to see how that changes it? I've done a lot of searching, and have
>come up with nothing, except for people discussing the possibilities.
>Steve Shelby
>
>
>  
>
#local SplineLowBound=0;//Change to suit you scene
#local SplineHighBound=10;//Same
#declare MySpline=[spline deffinition]
#local I=SplineLowBound;
union{
    #while(i<=SplineHighBound)// this loop make you travel along the spline
        sphere{MySpline[I],0.1}
       #local I=I+1;//Change to adjust the number of steps shown
    #end
pigment{rgb 1}
}

This will place 10 small white spheres along your spline.

Alain

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