简介:Itisachallengingproblemofsurface-baseddeformationtoavoidapparentvolumetricdistortionsaroundlargelydeformedareas.Inthispaper,weproposeanewrigidityconstraintforgradientdomainmeshdeformationtoaddressthisproblem.Intuitivelytheproposedconstraintcanberegardedasseveralsmallcubesdefinedbythemeshverticesthroughmeanvaluecoordinates.Theuserinteractivelyspecifiesthecubesintheregionswhicharepronetovolumetricdistortions,andtherigidityconstraintscouldmakethemeshbehavelikeasolidobjectduringdeformation.Theexperimentalresultsdemonstratethatourconstraintisintuitive,easytouseandveryeffective.