Abstract. This paper proposes a new user interface paradigm for motion capture based animation systems, providing intuitive and efficient ways to visualize the main motion capture concepts and operations. A prototype system was built, implementing the prop
Figure9:Visualrepresentationofajoint
curve.
Figure10:JointCurvesWindow.
TheMotionWindow
Finally,wedecidedtocreateaninterfaceobjectthatactsasaconnectionbe-tweenmotionandactordescriptions.TheMotionWindow(Figure11)isac-cessedviaadouble-clickinamotionbar,andallowstheselection(orgrouping)ofspeci cjointsoftheactor.
TheMotionWindowiscomposedofseveralbars,eachonerepresentinganactorjoint(detailinFigure11).Visually,itlookslikeazoominthemotionbar.Thisrepresentationisintentional,sincethemotionisformedbythecurvesthatareattachedtoactor’sjoints.
TheMotionWindowwillproofitsutilitywhenusedinconjunctionwithmotionoperations,allowingtheapplicationofanoperationtoaspeci csetofjointsoftheactor.