<div>win10&osg3..6.4</div><div><br></div><div>BoundingBox bb;<br></div><div>bb._min  = osg::vec3d(0,0,0);</div><div>bb._max = osg::vec3d(1000,1000,1000);<br></div><div>Polytope poly;<br></div><div>poly.setToBoundingBox(bb);<br></div><div>//</div><div>osg::ref_ptr<osgUtil::PolytopeIntersector> picker = new osgUtil::PolytopeIntersector(osgUtil::Intersector::VIEW,poly);</div><div>picker->setPrecisionHint(osgUtil::Intersector::USE_DOUBLE_CALCULATIONS);</div><div>picker->setPrimitiveMask(osgUtil::PolytopeIntersector::POINT_PRIMITIVES);</div><div>picker->setIntersectionLimit(osgUtil::Intersector::NO_LIMIT);</div><div>//</div><div>osgUtil::IntersectionVisitor iv(picker);</div><div>_videoFusionNode->accept(iv);//group node of scene </div><div>if (picker->containsIntersections())</div><div>{</div><div>     //Can't intersection</div><div>}</div>

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