# first, delete existing windows to save memory:
deleteAllWindows(CytoscapeConnection())
window.name <- 'demo addCyNode'
cw <- CytoscapeWindow (window.name, graph=makeSimpleGraph ())
displayGraph (cw)
layoutNetwork (cw)
addCyNode (cw, 'A NEW NODE')
layoutNetwork (cw)
# redraw (cw) --> function no longer required
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