Graphviz — placing nodes on a horizontal line

Question

I have the following graphviz file. Right now, the edge labels are placed on a horizontal line, but I want the nodes to be placed on a horizontal line instead. How can I achieve this?

 digraph finite_state_machine {
    node [shape = doublecircle]; q_5;
    node [shape = circle];
    q_1 -> q_2 [ label = "." ];
    q_1 -> q_2 [ label = "\epsilon" ];
    q_2 -> q_1 [ label = "\epsilon" ];
    q_2 -> q_3 [ label = "a" ];
    q_3 -> q_4 [ label = "^\wedge a" ];
    q_3 -> q_4 [ label = "\epsilon" ];
    q_4 -> q_3 [ label = "\epsilon" ];
    q_4 -> q_5 [ label = "b" ];
}

This is how it currently looks: current output

Please try using Rankdir="LR" for the nodes. See if it can be helpful. — maths-help-seeker, Oct 03 '12 at 16:04

score 4 · Accepted Answer · answered Oct 03 '12 at 16:10

You may use rank=same to force the same rank for all nodes:

digraph finite_state_machine {
{
rank=same;
    node [shape = doublecircle]; q_5;
    node [shape = circle];
    q_1 -> q_2 [ label = "." ];
    q_1 -> q_2 [ label = "\epsilon" ];
    q_2 -> q_1 [ label = "\epsilon" ];
    q_2 -> q_3 [ label = "a" ];
    q_3 -> q_4 [ label = "^\wedge a" ];
    q_3 -> q_4 [ label = "\epsilon" ];
    q_4 -> q_3 [ label = "\epsilon" ];
    q_4 -> q_5 [ label = "b" ];
    }
}

Out of the frying pan and into the fire... I answered your other question. — marapet, Oct 05 '12 at 15:37

Graphviz — placing nodes on a horizontal line

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