Proceedings of the ACM on Computer Graphics and Interactive Techniques Proceedings of the ACM on Computer Graphics and Interactive Techniques, ACM, In press, 1 (21), 〈10.1145/3203197〉 Proceedings of the ACM on Computer Graphics and Interactive Techniques, ACM, 2018, 1 (1), pp.1-22. ⟨10.1145/3203197⟩ Proceedings of the ACM on Computer Graphics and Interactive Techniques, 2018, 1 (1), pp.1-22. ⟨10.1145/3203197⟩