选择三维点云的点,返回坐标:H=CLICKA3DPOINT(POINTCLOUD)showsa3Dpointcloudandletstheuser%selectpointsbyclickingonthem.Theselectedpointishighlighted%anditsindexinthepointcloudwillisprintedonthescreen.%POINTCLOUDshouldbea3*Nmatrix,represendingN3Dpoints.%Handletothefigureisreturned.%%otherfunctionsrequired:%CALLBACKCLICK3DPOINTmouseclickcallbackfunction%ROWNORMreturnsnormsofeachrowofamatrix%%Totestthisfunction...%pointCloud=rand(3,100)*100;%h=clickA3DPoint(pointCloud);%%nowrotateormovethepointcloudandtryitagain.%(onthefigureViewmenu,turntheCameraToolbaron,...)%%Toturnoffthecallback...%set(h,'WindowButtonDownFcn','');
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