A new interface paradigm for motion capture based animation systems(20)

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

GUIgeneration.TheadvancedGUIobjectsweredesignedandimplementedseparately,andthenaddedtotheFormslibrary.

DuetoOpenGL’srenderingfacilitiesandtothedynamicinterfacecontrolusedinthesystem,areal-timeframerateisachievedduringtheplaybackofanimations(about15frames/secinaSGIIndigo2).TheprototypesystemwasalsotestedintheLinuxandRISC6000platforms,alsowithgoodframerates.

Figure18showsasnapshotofatypicalsystemusage,withanarrangementcontainsomeofthepreviousdescribedwindows(JointCurvesWindow,SkeletonGraphWindow,MotionScratchPad

Window,ConcatenationWindow,andPlaybackandRenderingWindow,).

Figure18:Snapshotoftheprototypesystem.

4Conclusions

Inthispaper,wehaveproposedanewuserinterfaceparadigmformotioncap-turebasedanimationsystems.Aprototypesystemwasbuilt,employingthepresentedinterfaceconceptsandsupportedbyapowerfularchitecturedesignedtoworkwiththemotioncapturemethodology.

Theimplementedsystemhasprovedtobeeasyandintuitivetouse,withpromis-

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