ceil(...)
attr x = ceil(...)
@StartRule Lot --> primitiveCube(8, 0.2, 4) split(x) { ceil(2.3) : Red | ceil(2.3) : Green | ceil(2.3) : Blue } Red --> color(1, 0.3, 0.3) Green --> color(0.3, 1, 0.3) Blue --> color(0.3, 0.3, 1)