graphviz中的重叠边缘 [英] Overlapping edges in graphviz

问题描述

我有两个重叠的边缘，不知道为什么:

I've two overlapping edges and don't know why:

digraph G {
    graph [rankdir=LR, overlap=false];
    subgraph cluster1 {
       d1;
       n1;
    }
    subgraph cluster2 {
       n2;
       d2;
    }
    n1 -> n2;
    n2 -> n1;
    d0 -> d1;
    d0 -> d2;
}

有什么办法可以分别显示两个边缘n1 -> n2和n2 -> n1?删除群集不是一种选择，但会有所帮助...

Is there any way to display both edges n1 -> n2 and n2 -> n1 separately? Removing the clusters is not an option but would help ...

推荐答案

试错解决方案(不要问我为什么这样工作...):

Trial-and-error solution (don't ask me why this works...):

digraph G {
    graph [rankdir=LR, overlap=false];
    subgraph cluster1 {
       d1;
       n1;
    }
    subgraph cluster2 {
       n2;
       d2;
    }
    n1 -> n2;
    n1 -> n2[constraint=false, dir=back];
    n2 -> n1[style=invis];
    d0 -> d1;
    d0 -> d2;
}

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