在Graphviz中，如何在边缘中间添加形状? [英] In Graphviz, how do I add a shape in the middle of an edge?

问题描述

我用红色注释了以下图形，以说明我要达到的效果:

I have annotated the following drawing with red to illustrate the effect I'm trying to achieve:

关于我如何在Graphviz中实现这一目标的任何想法?

Any idea on how I can achieve this in Graphviz?

推荐答案

您可以通过查找合适的unicode符号(例如您的情况下的⋃)，并使用 headlabel 属性:

You can imitate this behavior by finding a suitable unicode symbol, for example, ⋃ in your case, and putting it into the right position using headlabel attribute:

digraph {
    edge [arrowhead=none]
    Student [shape=rect]
    Faculty [shape=rect]
    o
    Player [shape=rect]

    Student -> o
    Faculty -> o
    o -> Player [
        headlabel="⋃"
        fontsize="25"
        labeldistance="1.7"
        labelangle=0
    ]
}

结果:

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