SoTessellated Node1 SoTessellated + drawEdgeLines + forceEdgeLinesInBaseColour + alternateRep - m_bbox - m_center + addTriangularFacet() + addQuadrangularFacet() + finalize() + SoTessellated() + generateAlternateRep() + clearAlternateRep() + initClass() # computeBBox() # generatePrimitives() # ~SoTessellated() - SO_NODE_HEADER() - setupDefaultPoints() Node2 SoShape Node2->Node1 Node3 std::vector< float > + elements Node3->Node1 -m_points -m_normals