jhu napsal(a):
> Here's the relevant code with comments. It's basically a box differenced with
> other objects and isosurfaces.
> 
>   light_source{
>     <0,1,0>
>     White
>   }
>   camera {
>     location <0,1.75,0>
>     look_at  <0,1.75,10>
>     rotate y*-12
>     translate <1.75,0,-3>
>     right <450/300,0,0>
>   }
> 
> 
> #declare fn_Pigm=function {
>   pigment {
>     agate
>     color_map {
>       [0 color rgb 0]
>       [1 color rgb 1]
>     }
>   }
> }
> 
>   difference{
>     box{<-200,-1,-100>, <200,200,7.5>}  //the main room
> 
>     // the +z room with window
>     union{
>       box{<-2.5,-.001,2>, <2.5,10,6>}
>       difference{ //makes the hole for the door on the +z side of the room
>         #declare R=5;
>         #declare H=3;
>         cylinder{<0,0,5.9>, <0,0,10>, R}
>         box{<-100, -100, -100>, <-1.25,100, 100>}
>         box{<1.25, -100, -100>, <100,100, 100>}
>         box{<-100,-100,-100>, <100, 5-H,100>}
>         translate y*-R
>         translate y*H
>       }
>     }
> 
>     //the camera room
>     box{<-2.5,-.001,-9>, <5,6.0001,1.5>} // room with camera
>     difference{//makes archway to connect camera room with +z room
>       cylinder{<0,0,.9>, <0,0,2.1>, 2.5 translate y*1.25}
>       box{<-100, -100, -100>, <100,-.0001,100>}
>     }
> 
>     isosurface{//makes the camera room have stucco
>       function{(y*y+x*x-2.5*2.5)-fn_Pigm(x*2, y*2, z*2).gray*0.1}
>       accuracy 0.0001
>       max_gradient 9
>       contained_by {box {<-10,-10,.9> <10,10,2.5>}}
>       translate <0,1.25,0>
>       pigment{White}
>     }
> 
> 
>     isosurface{//makes the camera room have stucco
>       function{max((y*y-(3*3)),(x*x-(3.75*3.75)),(z*z-(5.25*5.25)))-fn_Pigm(x*2,
> y*2, z*2).gray*0.1}
>       accuracy 0.0001
>       max_gradient 20
>       contained_by {box {-20 20}}
>       pigment{White}
>       translate <3.75-2.5,3.05,-(5.25-1.5)>
>     }
> 
> 
>     //the -x room
>     box{<-2.49999,-.001,-9>, <2.49999,6.0001,1.5> translate x*(-5.5)}
>     difference{//make the archway connecting the camera room to the -x room
>       cylinder{<-5,0,0>, <-2.4,0,0>, 2.5 translate <0,1.25,-1>}
>       box{<-100, -100, -100>, <100,-.0001,100>}
>     }
>     pigment{White}
>   }
> 
> 
Hello again,
when I removed the stuccos the problem disappeared.

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