Ooops.. Just read what I had writen a few days ago and I was saying pretty
stupid things there. Lets try again..

Setting Split_Unions = off or using -SU gives a warning "Warning: Bounded
CSG union split." and the union is bounded with a box. If you add
Remove_Bounds = off or -UR with -SU the result is the same. In 3.1g the
union is bounded correctly with the cylinder.

+UR -SU gives the same warning, although there shouldn't be any manually
bounded unions to split. Works like this also in 3.1g, but should it?

// Test scene
// -MB1 -UR -SU
// -MB1 +UR
camera {location -5*z}
light_source { <1, 1, -5> color 1 }

union {
  box { -1, 1 pigment { rgb <1,0,0> } }
  sphere { y, 1 pigment { rgb <0,1,0> } }
  bounded_by { cylinder { -y, 2*y, sqrt(2)} }
}
// EOS

POV3.5.b16.icl, Athlon, 512Mb, WinXP


Ari-Matti

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