如何使相同等级的节点的点更宽？答案

【问题标题】：How to make nodes in the same rank wider in dot?如何使相同等级的节点的点更宽？
【发布时间】：2021-05-21 13:11:29
【问题描述】：

以下dot图

由以下脚本创建：

digraph test_family_tree {
    node [shape=box];
    edge [dir=none];

    {rank=same; a0->m0->b0;}
    a0 [label="Dedushka"];
        b0 [label="Babushka"];
    m0 [shape=point];
    {rank=same; node[shape=point];
        h1_0->h1_1->h1_2;
    }
    m0->h1_1;
    h1_0->u0;
    h1_2->v0;
    {rank=same;
        u0->m1_0->u1;
        u1->v0[style="invis"];
        v0->m1_1->v1;
    }
    u0 [label="Norðri"];
    u1 [label="Suðri"];
    v0 [label="Austri"];
    v1 [label="Vestri"];
    
    m1_0 [shape=point];
    m1_1 [shape=point];
    {rank=same; node[shape=point];
        h2_0->h2_1->h2_2->h2_3->h2_4;
        h2_4->h2_5[style="invis"];
        h2_5->h2_6->h2_7->h2_8->h2_9;
    }
    m1_0->h2_2;
    m1_1->h2_7;
    {rank=same;
        z0->z1->z3->z4->z4->z5->z5->z6->z8->z9[style="invis"];
    }
    h2_0->z0;
    h2_1->z1;
    h2_3->z3;
    h2_4->z4;
    h2_5->z5;
    h2_6->z6;
    h2_8->z8;
    h2_9->z9;
    z0 [label="Grumpy"];        
    z1 [label="Dopey"];
    z3 [label="Doc"];
    z4 [label="Bashful"];
    z5 [label="Happy"];
    z6 [label="Sleepy"];
    z8 [label="Sneezy"];
    z9 [label="Sexy"];
}

我的问题：是否可以修改脚本以使 第二级 节点的位置更宽（填满页面的更多宽度），理想情况下居中在他们各自的下面的4个“子节点”上？我可以使边缘之间的所有角度都变成矩形吗？

【问题讨论】：

标签： layout graph graphviz dot

【解决方案1】：

一个不可见的节点在 u1 和 v0 之间放置了更多的空间。将 weight 值添加到边缘会导致它们变成垂直的。 Group 属性可能做了同样的事情。

digraph test_family_tree {
    node [shape=box];
    edge [dir=none];

    {rank=same; a0->m0->b0;}
    a0 [label="Dedushka"];
        b0 [label="Babushka"];
    m0 [shape=point];
    {rank=same; node[shape=point];
        h1_0->h1_1->h1_2;
    }
     
    {rank=same;
        u0->m1_0->u1;
        u1->Z0->v0[style="invis"];
        v0->m1_1->v1;
        Z0[style=invis]
    }
    u0 [label="Norðri"];
    u1 [label="Suðri"];
    v0 [label="Austri"];
    v1 [label="Vestri"];
    
    m1_0 [shape=point];
    m1_1 [shape=point];
    {rank=same; node[shape=point];
        h2_0->h2_1->h2_2->h2_3->h2_4;
        h2_4->h2_5[style="invis"];
        h2_5->h2_6->h2_7->h2_8->h2_9;
    }
    {rank=same;
        z0->z1->z3->z4->z4->z5->z5->z6->z8->z9[style="invis"];
    }
    z0 [label="Grumpy"];        
    z1 [label="Dopey"];
    z3 [label="Doc"];
    z4 [label="Bashful"];
    z5 [label="Happy"];
    z6 [label="Sleepy"];
    z8 [label="Sneezy"];
    z9 [label="Sexy"];

    edge[weight=10]
    m1_0->h2_2;
    m0->h1_1;
    m1_1->h2_7;

    h1_0->u0;
    h1_2->v0;

    h2_0->z0;
    h2_1->z1;
    h2_3->z3;
    h2_4->z4;
    h2_5->z5;
    h2_6->z6;
    h2_8->z8;
    h2_9->z9;
}

捐赠：

【讨论】：