MuonValR4::RootVisualizationService Node1 MuonValR4::RootVisualization Service - m_canvasExtraScale - m_quadCanvas - m_AtlasLabel - m_sqrtSLabel - m_lumiLabel - m_canvasWidth - m_canvasHeight - m_outDir - m_outRootFileName - m_storage - m_outFile - m_storageMutex - m_canvasMutex + registerClient() + prepareCanvas() + finalize() + initialize() - paintObjects() Node2 extends< AthService, IRootVisualizationService > Node2->Node1