# first, delete existing windows to save memory:
deleteAllWindows(CytoscapeConnection())
cw <- CytoscapeWindow ('setNodeFillOpacityDirect.test', graph=makeSimpleGraph())
displayGraph (cw)
layoutNetwork (cw, 'force-directed')
setNodeFillOpacityDirect (cw, 'A', 20)
setNodeFillOpacityDirect (cw, c('B', 'C'), c(122, 133))
setNodeFillOpacityDirect (cw, c('B', 'C'), 1)
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