Hi!
View in Roassal can now be rotated. -=-=-=-=-=-=-=-= v := RTView new. b := RTMondrian new. b view: v. b nodes: (1 to: 20). b edges connectFrom: [ :value | value // 2 ]. b layout tree. b build.
v @ (RTRotableView new center: [v elements first position ]).
v -=-=-=-=-=-=-=-=
Cheers, Alexandre