Pinning only y-axis of a node?


I need to have same nodes on same level on the picture, is there any way to pin only y-axis (or x-axis) of a node? A "pos" attribute can only pin node to exact position, but that is not exactly what I want.

thank you!


Pinning only y-axis of a

Use a subgraph to specify that all contained nodes should be on the same rank or level:
 { rank=same node1 node2 node3}

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