<div> OpenSceneGraph-OpenSceneGraph-3.6.4\examples\osgmanipulator</div><div><br></div><div> osgManipulator::TrackballDragger* d = new osgManipulator::TrackballDragger();</div><div>  d->setupDefaultGeometry();</div><div>  d->setAxisLineWidth(5.0f);</div><div>  d->setPickCylinderHeight(0.1f);</div><div><br></div><div><img alt="QQ图片20201229201017.jpg" data-iml="640192.9999999993" width="534px" height="401px" src="cid:bd6c1106-fe9d-4449-a84f-7f6e43325b8b"><br></div>

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