#includeusing namespace osg; SgNode* node = new SgNode();
#includeThis code creates three instances of SgNode, and then creates a Group object to hold the two child nodes. The Group is added as a child of the parent node using the `addChild()` method. Package library: OpenSceneGraph.using namespace osg; SgNode* parent = new SgNode(); SgNode* child1 = new SgNode(); SgNode* child2 = new SgNode(); Group* group = new Group(); group->addChild(child1); group->addChild(child2); parent->addChild(group);