Thomas de Groot <tho### [at] degrootorg> wrote:
> On 17-2-2015 6:46, Vincent99 wrote:
> > *************************************************************
> > #declare saddle=function{1*pow(y,2)- pow(x/1.8,2)+z }
> >
> > isosurface {
> >      function { saddle( x,y,z)}
> >        contained_by {  sphere { <0, 0, 0>, 5} //box {<-3,-2,-10>, <3,2,10>   }
> >    // clipped_by { sphere{ o, 1 scale<Rx,Ry,Rz> rotate <0,0,-70> inverse} }
> >                }
> >    threshold 0
> >    accuracy .05
> >    max_gradient 3227
> >   open
> >    material {
> >          texture {
> >            pigment { color rgbf <0.98, 1.0, 0.99, 0.75> }
> >            finish { F_Glass4 }
> >                  }
> >          interior {I_Glass caustics .1}
> >                  }
> >
> >    rotate <0,0,-70>
> >              }
> > ******************************************************************
> >
> Clipped_by{} should not be /inside/ contained_by{}. Instead put it
> /after/ open.
>
> --
> Thomas

Cheers Thomas
That helped
Vincent

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