SoPolyhedron Node1 SoPolyhedron + alternateRep + m_vertices + m_indices + m_vcount + m_icount - m_polyhedron + SoPolyhedron() + SoPolyhedron() + SoPolyhedron() + hasVertex() + makeShape() + generateAlternateRep() + clearAlternateRep() + initClass() # computeBBox() # generatePrimitives() # ~SoPolyhedron() - SO_NODE_HEADER() Node2 SoShape Node2->Node1