Is there a way to add a ring around connectors?

[jcrsantiago]

I need a way to add a ring around the connectors. Here is an example. Ideally, I can also put a note in or around the circle.

[clayms]

For simple cases, you can use headclip and tailclip to make the Edges appear to go through a "ring" node in the middle. For more complex cases like your example, you will have to use the neato layout engine and specify the position of each Node.

simple case:

from diagrams import Diagram, Node, Edge

graph_attr = {
    "splines":"ortho",
}


with Diagram("\n\nedge rings", graph_attr=graph_attr, show=False) as diag:
    n1 = Node("n1")
    n2 = Node("n2")
    en1 = Node("VPC\n\n\n\n55", labelloc="c", shape="oval", height="2", width=".5")
    
    n1 - Edge(label="E1/7", minlen="2", headclip="False") - en1 - Edge(label="E1/7", minlen="2", tailclip="False") - n2
    n1 - Edge(label="E1/8", minlen="2", headclip="False") - en1 - Edge(label="E1/8", minlen="2", tailclip="False") - n2

To make your more complex example, see the following examples using the neato layout engine.

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[jcrsantiago]

Oh wow I had googled everywhere and couldn't find this. I hope that they add more examples in the docs, it would be very helpful.