Uncrossing lines.

Guys, I have managed to get my diagram drawn, can anyone help as I am trying to get the lines "uncrossed" digraph sms { size="10,10"; node [shape=doublecircle, color=darkorange, style=filled]; "SMSB" -> "SLR"; "SMSB" -> "PCF"; "O-MSC" -> "SMSB"; "ISCP" -> "CLS-SDF"; "SMSB" -> "SMSC"; "PCF" -> "SLR"; "SMSB" -> "HLR"; "SMSB" -> "T-MSC"; "SMSC" -> "T-MSC"; "HLR" -> "VPN-SDF"; "ISCP" -> "VPN-SDF"; "NMS" -> "VPN-SDF"; "NMS" -> "SLR"; "NMS" -> "PCF"; "NMS" -> "HLR"; "RSB" -> "SLR"; "RSB" -> "PCF"; "CSIM" -> "SLR"; } Kind Regards Jamie

Uncrossing lines.

The dot algorithm may not make it possible to remove all edge crossings, since the placement of nodes on levels is done independently of crossing reduction. You might be able to help reduce crossings by increasing the minlen of some edges, or adding some invisible edges to help add more structure to the graph.

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