在graphviz中从节点到边缘绘制边缘 [英] draw edge from node to edge in graphviz

问题描述

是否可以在graphviz中从节点到现有Edge的中心绘制一条Edge?我想复制这种在化学或生物网络中常见的反应图.

Is it possible to draw an edge from a Node to the center of an existing Edge in graphviz? I would like to duplicate this type of reaction diagram, common in chemical or biological networks.

谢谢！

-彼得

推荐答案

是的，您可以使用不可见的节点，例如

Yes, you can use invisible nodes, like in this example for instance.

然后为A和B创建子图，其中

Then play with creating subgraphs for A and B where

rank=same

，然后是边缘

constraint=false

用于从C到不可见节点的连接.这会将前两个放在C之上.

for the connection from C to the invisible node. This will put the first two above C.

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