Not that it matters all that much..
Why do I get a surface here:
isosurface {
function {sqr(x)+sqr(z)-sqr(y)}
contained_by { box { -4,<4,0,4> } }
pigment {rgb y}
}
but not here:
isosurface {
function {sqr(x)+sqr(z)-sqr(y)}
contained_by { box { <4,0,4>,-4 } }
pigment {rgb y}
}
