isosurface{ // ------------------------------------------------------------ function{ sqrt( x*x + y*y + z*z ) - 0.9 + sin( 12*atan2(x, z) )*0.1 } threshold 0 accuracy 0.0001 max_gradient 5 contained_by {box {<-1,-1,-1>, < 1, 1, 1>}} //open texture{ pigment{ color rgb<1,0.9,0.0>} finish { phong 1} } scale 1.25 rotate <-25, 25, 0> translate <-0, 1.4, 0> } // end of isosurface -----------------------------------------------------