A new interface paradigm for motion capture based animation systems(19)

PlaybackControls

Followingthepost-productionvideointerface,wedevelopedacontrolpanel,whichallowsinteractivecontrolofanimationsinoursystem(Figure

17).

Figure17:Playbackandrenderingwindows.

TheplaybackofmotionsorcompositionsproduceduserareexecutedinadedicatedOpenGLrenderingwindow(inFigure17,Thecontrolpanelisintegratedwithit(inFigure17,),supplyingasetofcontrolssimilartothoseusedinvideorecorders.

ObjectsforOtherAnimationTools

Asdiscussedbefore,thearchitectureusedinthesystemallowstheintegrationofotheranimationtechniqueslikekeyframing,forwardandinversekinematicstohelpintheprocessingofcapturedmotions.

Inthecurrentimplementation,thesystemusesforwardkinematicsasanauxil-iarytooltoadjustthepositionofspeci cjointswhennecessary.Theadditionofkeyframingandinversekinematictoolsisplannedforfutureimplementations.

3.5ImplementationIssues

ThepresentedinterfaceparadigmandprototypesystemwereimplementedintheprogramminglanguageC,usingaSGIIndigo2graphicworkstationasthebaseplatform.WeemployedOpenGL[14]forrenderingandXForms[13]for

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