Graphviz：如何设置“默认”箭头样式？

发布于 2024-10-08 13:59:47 字数 663 浏览 5 评论 0原文

考虑这个 dot 语言代码：

digraph graphname {
    subgraph clusterA {
        node [shape=plaintext,style=filled];
        1 -> 2 [arrowhead=normal,arrowtail=dot];
        2 -> 3 -> X2 -> 5;
        6;
        7;
        label = "A";
        color=blue
    }
}

在上面的示例中，只有 1 -> 。 2 连接将应用 arrowhead=normal,arrowtail=dot 样式；所有其他箭头都将采用“默认”样式。

我的问题是 - 如何设置箭头样式（对于整个子图 - 或整个图），而不必在旁边复制粘贴“[arrowhead=normal,arrowtail=dot];”每个边连接？

编辑：仅供参考 - 杰西的回答不包含任何代码；我写了这个片段并将其放在此处 - 由于未知原因，主持人将其从此处剪掉并将其粘贴到杰西的答案中。

原文

Consider this dot language code:

digraph graphname {
    subgraph clusterA {
        node [shape=plaintext,style=filled];
        1 -> 2 [arrowhead=normal,arrowtail=dot];
        2 -> 3 -> X2 -> 5;
        6;
        7;
        label = "A";
        color=blue
    }
}

In the above example, only the 1 -> 2 connection will have the arrowhead=normal,arrowtail=dot style applied; all the other arrows will be of the "default" style.

My question is - how do I set the arrow style (for the entire subgraph - or for the entire graph), without having to copy paste "[arrowhead=normal,arrowtail=dot];" next to each edge connection?

EDIT: Just for reference - the answer from Jesse didn't contain any code; I wrote that snippet and had it in this space here - for unknown reasons, a moderator cut it off from here and pasted it into Jesse's answer.

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雨落星ぅ辰 2024-10-15 13:59:47

使用 edge 属性语句，如 DOT 语言中所述文档。

digraph graphname {
    subgraph clusterA {
        node [shape=plaintext,style=filled];
        edge [arrowhead=normal,arrowtail=dot];
        1 -> 2 ;
        2 -> 3 -> X2 -> 5;
        6;
        7;
        label = "A";
        color=blue
    }
}

Use the edge attribute statement, as stated in the DOT Language documentation.

digraph graphname {
    subgraph clusterA {
        node [shape=plaintext,style=filled];
        edge [arrowhead=normal,arrowtail=dot];
        1 -> 2 ;
        2 -> 3 -> X2 -> 5;
        6;
        7;
        label = "A";
        color=blue
    }
}

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