how to make sankyplots with no color for source and target node and how to do legend to show the dif-CodePudding

I am working on network data and want to visualize it using sankeyNetwork() from the

networkD3 does not have any built-in legend creation options, however, if you want to make a legend yourself, you'll probably want to use a consistent set of colors so that you can use them with whatever you use to make a legend. You can do that like this...

colourScale <- 
  'd3.scaleOrdinal()
     .domain(["A", "B", "C", "D"])
     .range(["red", "blue", "green", "yellow"])'

sankeyNetwork(Links = data,
              Nodes = nodes,
              Source = "IDsource",
              Target = "IDtarget",
              Value = "value",
              NodeID = "name", 
              sinksRight=FALSE,
              nodeWidth=40,
              fontSize=13,
              nodePadding=20,
              LinkGroup = 'group',
              NodeGroup = NULL,
              colourScale = colourScale)