class BoundVisitor :public osg::NodeVisitor

{

public:

    //BoundVisitor():osg::NodeVisitor(TRAVERSE_ALL_CHILDREN), _indent(0)

    //{

    //}

    BoundVisitor() :osg::NodeVisitor(TRAVERSE_ALL_CHILDREN), _indent()

    {

        std::cout << "--" << std::endl;

    }

    virtual void apply(osg::Node &node)

    {

        for (int i = ; i < _indent; ++i)

        {

            std::cout << "\t";

        }

        std::cout << "[" << _indent +  << "]" << node.libraryName()<< "::" << node.className() << std::endl;

        _indent++;

        traverse(node);

        _indent--;

    }

    virtual void apply(osg::Geode &geode)

    {

        for (int i = ; i < _indent; ++i)

        {

            std::cout << "\t";

        }

        std::cout << "[" << _indent +  << "]" << geode.libraryName()<< "::" << geode.className() << std::endl;

        //osg::Drawable *drawable1=  geode.getDrawable(0);

        unsigned int count = geode.getNumDrawables();

        for (int i = ; i < count; i++)

        {

            osg::Drawable *drawable = geode.getDrawable(i);

            if (!drawable)

            {

                continue;

            }

            osg::Geometry *geometry = geode.getDrawable(i)->asGeometry();

            if (!geometry)

            {

                continue;

            }

            // 顶点数据

            osg::Vec3Array* vertices = dynamic_cast<osg::Vec3Array*>(geometry->getVertexArray());

            //osg::Vec3Array vertices = geometry->getVertexArray();

            int vertexlNum = vertices->size();

            //std::cout << "size:"<<vertexlNum <<"     "<< geometry->libraryName() <<"  "<< geometry->getNumChildrenRequiringEventTraversal() << std::endl;

            //geometry->libraryName();

            //for (int j = 0; j<100; j++) {

                //dstSubset.vertexs.push_back(vertices->at(j).x());

                //dstSubset.vertexs.push_back(vertices->at(j).y());

                //dstSubset.vertexs.push_back(vertices->at(j).z());

                //std::cout << "x:" << vertices->at(j).x() << "  y:" << vertices->at(j).y() << "  z:" << vertices->at(j).z() << std::endl;

            //}

            for (int i = ; i < _indent; ++i)

            {

                std::cout << "\t";

            }

            std::cout << drawable->libraryName()

                << "::" << drawable->className() << std::endl;

        }

        _indent++;

        traverse(geode);

        _indent--;

    }

protected:

    int _indent;

};