Re: [graphviz-interest] How can I align nodes horizontally when rankdir=LR in graphviz

Huangyg

Try adding a weighted invisible edges to encourage the alignment you are 
looking for:


                 { edge [style=invis weight=100; i0->i1->i8->i12 }


John

(modified graph attached.)



On 05/30/2014 10:06 AM, ??? wrote:
>
> Hi, everyone!
>
> I have ask the same question on stack overflow 
> <http://stackoverflow.com/questions/23929074/how-can-i-align-nodes-horizontally-when-rankdir-lr-in-graphviz>. 
> But I have not get any answer there. Maybe I ask in the wrong place. I 
> decide to try again here.
>
> I am struggling with a graph, hoping to align nodes, but this seems to 
> be difficult. My current code (attach at the last) generate the follow 
> graph or see this link <http://ge.tt/3LlXw8i1/v/0?c?c>.
>
> Graphviz output
>
> First, I want the I0, I1, I8, I12 to align horizontally. Does it have 
> to use subgraph to wrap up some nodes? If it does, how? I have tried 
> wrap I0, I1 nodes and the edge from I0 to I1 with a subgraph for a 
> test. But that didn't make much change.
>
> Secondly, can the self-loop in I5 look more elegant like the self-loop 
> in I4 but not at the top of the node. I only find portpos option. If 
> the node is a circle, the portpos option is enough. But it looks 
> strange with rectangle.
>
> Thanks!
>
> ---by huangyg
>
> |digraph{
> rankdir=LR;
> ratio=auto
> node[shape=rectangle];
>
> i0[label=<
>      <TABLE border="0">
>          <TR>
>              <TD valign="top" rowspan="2">
>                  I<sub>0</sub>:
>              </TD>
>              <TD align="left">
>                  S'?.bexpr<BR ALIGN="LEFT"/>
>              </TD>
>          </TR>
>          <TR>
>              <TD align="left" bgcolor="#aaaaaa">
>                  bexpr?.bexpr or bterm <BR ALIGN="LEFT"/>
>                  bexpr?.bterm <BR ALIGN="LEFT"/>
>                  bterm? .bterm and bfactor <BR ALIGN="LEFT"/>
>                  bterm?.bfactor <BR ALIGN="LEFT"/>
>                  bfactor?.not bfactor <BR ALIGN="LEFT"/>
>                  bfactor?.(bexpr) <BR ALIGN="LEFT"/>
>                  bfactor?.true <BR ALIGN="LEFT"/>
>                  bfactor?.false <BR ALIGN="LEFT"/>
>              </TD>
>          </TR>
>      </TABLE>
> >];
>
> i1[label=<
>      <TABLE border="0">
>          <TR>
>              <TD valign="top">
>                  I<sub>1</sub>:
>              </TD>
>              <TD align="left">
>                  S'?bexpr. <BR ALIGN="LEFT"/>
>                  bexpr?bexpr .or bterm <BR ALIGN="LEFT"/>
>              </TD>
>          </TR>
>      </TABLE>
> >];
>
> i2[label=<
>      <TABLE border="0">
>          <TR>
>              <TD valign="top" rowspan="1">
>                  I<sub>2</sub>:
>              </TD>
>              <TD align="left">
>                  bexpr?bterm. <BR ALIGN="LEFT"/>
>                  bterm?bterm .and bfactor <BR ALIGN="LEFT"/>
>              </TD>
>          </TR>
>      </TABLE>
> >];
>
> i3[label=<
>      <TABLE border="0">
>          <TR>
>              <TD valign="top" rowspan="1">
>                  I<sub>3</sub>:
>              </TD>
>              <TD align="left">
>                  bterm?bfactor.<BR ALIGN="LEFT"/>
>              </TD>
>          </TR>
>      </TABLE>
> >];
>
> i4[label=<
>      <TABLE border="0">
>          <TR>
>              <TD valign="top" rowspan="2">
>                  I<sub>4</sub>:
>              </TD>
>              <TD align="left">
>                  bfactor?not .bfactor <BR ALIGN="LEFT"/>
>              </TD>
>          </TR>
>          <TR>
>              <TD align="left" bgcolor="#aaaaaa">
>                  bfactor?.not bfactor <BR ALIGN="LEFT"/>
>                  bfactor?.(bexpr) <BR ALIGN="LEFT"/>
>                  bfactor?.true <BR ALIGN="LEFT"/>
>                  bfactor?.false <BR ALIGN="LEFT"/>
>              </TD>
>          </TR>
>      </TABLE>
> >];
> i5[label=<
>      <TABLE border="0">
>          <TR>
>              <TD valign="top" rowspan="2">
>                  I<sub>5</sub>:
>              </TD>
>              <TD align="left">
>                  bfactor?(.bexpr) <BR ALIGN="LEFT"/>
>              </TD>
>          </TR>
>          <TR>
>              <TD align="left" bgcolor="#aaaaaa">
>                  bexpr?.bexpr or bterm <BR ALIGN="LEFT"/>
>                  bexpr?.bterm <BR ALIGN="LEFT"/>
>                  bterm?.bterm and bfactor <BR ALIGN="LEFT"/>
>                  bterm?.bfactor <BR ALIGN="LEFT"/>
>                  bfactor?.not bfactor <BR ALIGN="LEFT"/>
>                  bfactor?.(bexpr) <BR ALIGN="LEFT"/>
>                  bfactor?.true <BR ALIGN="LEFT"/>
>                  bfactor?.false <BR ALIGN="LEFT"/>
>              </TD>
>          </TR>
>      </TABLE>
> >];
>
> i6[label=<
>      <TABLE border="0">
>          <TR>
>              <TD valign="top" rowspan="1">
>                  I<sub>6</sub>:
>              </TD>
>              <TD align="left">
>                   bfactor?true.<BR ALIGN="LEFT"/>
>              </TD>
>          </TR>
>      </TABLE>
> >];
>
> i7[label=<
>      <TABLE border="0">
>          <TR>
>              <TD valign="top" rowspan="1">
>                  I<sub>7</sub>:
>              </TD>
>              <TD align="left">
>                  bfactor?false. <BR ALIGN="LEFT"/>
>              </TD>
>          </TR>
>      </TABLE>
> >];
>
> i8[label=<
>      <TABLE border="0">
>          <TR>
>              <TD valign="top" rowspan="2">
>                  I<sub>8</sub>:
>              </TD>
>              <TD align="left">
>                  bexpr?bexpr or .bterm  <BR ALIGN="LEFT"/>
>              </TD>
>          </TR>
>          <TR>
>              <TD align="left" bgcolor="#aaaaaa">
>                  bterm? .bterm and bfactor  <BR ALIGN="LEFT"/>
>                  bterm?.bfactor  <BR ALIGN="LEFT"/>
>                  bfactor?.not bfactor  <BR ALIGN="LEFT"/>
>                  bfactor?.(bexpr)  <BR ALIGN="LEFT"/>
>                  bfactor?.true  <BR ALIGN="LEFT"/>
>                  bfactor?.false  <BR ALIGN="LEFT"/>
>              </TD>
>          </TR>
>      </TABLE>
> >];
>
> i9[label=<
>      <TABLE border="0">
>          <TR>
>              <TD valign="top" rowspan="2">
>                  I<sub>9</sub>:
>              </TD>
>              <TD align="left">
>                  bterm? bterm and .bfactor <BR ALIGN="LEFT"/>
>              </TD>
>          </TR>
>          <TR>
>              <TD align="left" bgcolor="#aaaaaa">
>                  bfactor?.not bfactor <BR ALIGN="LEFT"/>
>                  bfactor?.(bexpr) <BR ALIGN="LEFT"/>
>                  bfactor?.true <BR ALIGN="LEFT"/>
>                  bfactor?.false <BR ALIGN="LEFT"/>
>              </TD>
>          </TR>
>      </TABLE>
> >];
>
> i10[label=<
>      <TABLE border="0">
>          <TR>
>              <TD valign="top" rowspan="1">
>                  I<sub>10</sub>:
>              </TD>
>              <TD align="left">
>                  bfactor?not bfactor. <BR ALIGN="LEFT"/>
>              </TD>
>          </TR>
>      </TABLE>
> >];
>
> i11[label=<
>      <TABLE border="0">
>          <TR>
>              <TD valign="top" rowspan="1">
>                  I<sub>11</sub>:
>              </TD>
>              <TD align="left">
>                  bfactor?(bexpr.) <BR ALIGN="LEFT"/>
>                  bexpr?bexpr .or bterm <BR ALIGN="LEFT"/>
>              </TD>
>          </TR>
>      </TABLE>
> >];
>
> i12[label=<
>      <TABLE border="0">
>          <TR>
>              <TD valign="top" rowspan="1">
>                  I<sub>12</sub>:
>              </TD>
>              <TD align="left">
>                      bexpr?bexpr or bterm. <BR ALIGN="LEFT"/>
>                      bterm? bterm .and bfactor <BR ALIGN="LEFT"/>
>              </TD>
>          </TR>
>      </TABLE>
> >];
>
> i13[label=<
>      <TABLE border="0">
>          <TR>
>              <TD valign="top" rowspan="1">
>                  I<sub>13</sub>:
>              </TD>
>              <TD align="left">
>                  bterm? bterm and bfactor. <BR ALIGN="LEFT"/>
>              </TD>
>          </TR>
>      </TABLE>
> >];
>
> i14[label=<
>      <TABLE border="0">
>          <TR>
>              <TD valign="top" rowspan="1">
>                  I<sub>14</sub>:
>              </TD>
>              <TD align="left">
>                  bfactor?(bexpr). <BR ALIGN="LEFT"/>
>              </TD>
>          </TR>
>      </TABLE>
> >];
>
> node[width=0.15,shape=none,fixedsize=false];
> i2_1[label=<I<sub>2</sub>>];
> i3_1[label=<I<sub>3</sub>>];
> i3_2[label=<I<sub>3</sub>>];
> i4_2[label=<I<sub>4</sub>>];
> i4_3[label=<I<sub>4</sub>>];
> i4_3[label=<I<sub>4</sub>>];
> i5_1[label=<I<sub>5</sub>>];
> i5_3[label=<I<sub>5</sub>>];
> i5_4[label=<I<sub>5</sub>>];
> i6_1[label=<I<sub>6</sub>>];
> i6_2[label=<I<sub>6</sub>>];
> i6_3[label=<I<sub>6</sub>>];
> i6_4[label=<I<sub>6</sub>>];
> i7_1[label=<I<sub>7</sub>>];
> i7_2[label=<I<sub>7</sub>>];
> i7_3[label=<I<sub>7</sub>>];
> i7_4[label=<I<sub>7</sub>>];
> i8_1[label=<I<sub>8</sub>>];
> i9_1[label=<I<sub>9</sub>>];
>
> i0 -> i1 [label ="bexpr"];
> i0 -> i2 [label = "bterm"];
> i0 -> i3 [label = "bfactor"];
> i0 -> i4 [label = "not"];
> i0 -> i5 [label = "("];
> i0 -> i6 [label = "true"];
> i0 -> i7 [label = "false"];
> i1 -> i8 [label = "or"];
> i2 -> i9 [label = "and"];
> i4 -> i10 [label = "bfactor"];
> i4 -> i4 [label = "not",weight=1];
> i4 -> i5_1 [label = "("];
> i4 -> i6_1 [label = "true"];
> i4 -> i7_1 [label = "false"];
> i5 -> i11 [label = "bexpr"];
> i5 -> i2_1 [label ="bterm"];
> i5 -> i3_1 [label = "bfactor"];
> i5 -> i4_2 [label = "not"];
> i5:sw -> i5:_ [label = "("];
> i5 -> i6_2 [label = "true"];
> i5 -> i7_2 [label = "false"];
> i8 -> i12 [label = "bterm"];
> i8 -> i3_2 [label = "bfactor"];
> i8 -> i4_3 [label = "not"];
> i8 -> i5_3 [label = "("];
> i8 -> i6_3 [label = "true"];
> i8 -> i7_3 [label = "false"];
> i9 -> i13 [label = "bfactor"];
> i9 -> i4_4 [label = "not"];
> i9 -> i5_4 [label = "("];
> i9 -> i6_4 [label = "true"];
> i9 -> i7_4 [label = "false"];
> i11 -> i14 [label = ")"];
> i11 -> i8_1 [label = "or"];
> i12 -> i9_1[label = "and"];
> {rank = same;i0,i5};
> }
> |
>
>
> _______________________________________________
> [email protected]
> http://lists.research.att.com/mailman/listinfo/graphviz-interest

_______________________________________________
[email protected]
http://lists.research.att.com/mailman/listinfo/graphviz-interest

digraph{
rankdir=LR;
ratio=auto
node[shape=rectangle];

i0[label=<
    <TABLE border="0">
        <TR>
            <TD valign="top" rowspan="2">
                I<sub>0</sub>:
            </TD>
            <TD align="left">
                S'→.bexpr<BR ALIGN="LEFT"/>
            </TD>
        </TR>
        <TR>
            <TD align="left" bgcolor="#aaaaaa">
                bexpr→.bexpr or bterm <BR ALIGN="LEFT"/>
                bexpr→.bterm <BR ALIGN="LEFT"/>
                bterm→ .bterm and bfactor <BR ALIGN="LEFT"/>
                bterm→.bfactor <BR ALIGN="LEFT"/>
                bfactor→.not bfactor <BR ALIGN="LEFT"/>
                bfactor→.(bexpr) <BR ALIGN="LEFT"/>
                bfactor→.true <BR ALIGN="LEFT"/>
                bfactor→.false <BR ALIGN="LEFT"/>
            </TD>
        </TR>
    </TABLE>
>];

i1[label=<
    <TABLE border="0">
        <TR>
            <TD valign="top">
                I<sub>1</sub>:
            </TD>
            <TD align="left">
                S'→bexpr. <BR ALIGN="LEFT"/>
                bexpr→bexpr .or bterm <BR ALIGN="LEFT"/>
            </TD>
        </TR>
    </TABLE>
>];

i2[label=<
    <TABLE border="0">
        <TR>
            <TD valign="top" rowspan="1">
                I<sub>2</sub>:
            </TD>
            <TD align="left">
                bexpr→bterm. <BR ALIGN="LEFT"/>
                bterm→bterm .and bfactor <BR ALIGN="LEFT"/>
            </TD>
        </TR>
    </TABLE>
>];

i3[label=<
    <TABLE border="0">
        <TR>
            <TD valign="top" rowspan="1">
                I<sub>3</sub>:
            </TD>
            <TD align="left">
                bterm→bfactor.<BR ALIGN="LEFT"/>
            </TD>
        </TR>
    </TABLE>
>];

i4[label=<
    <TABLE border="0">
        <TR>
            <TD valign="top" rowspan="2">
                I<sub>4</sub>:
            </TD>
            <TD align="left">
                bfactor→not .bfactor <BR ALIGN="LEFT"/>
            </TD>
        </TR>
        <TR>
            <TD align="left" bgcolor="#aaaaaa">
                bfactor→.not bfactor <BR ALIGN="LEFT"/>
                bfactor→.(bexpr) <BR ALIGN="LEFT"/>
                bfactor→.true <BR ALIGN="LEFT"/>
                bfactor→.false <BR ALIGN="LEFT"/>
            </TD>
        </TR>
    </TABLE>
>];
i5[label=<
    <TABLE border="0">
        <TR>
            <TD valign="top" rowspan="2">
                I<sub>5</sub>:
            </TD>
            <TD align="left">
                bfactor→(.bexpr) <BR ALIGN="LEFT"/>
            </TD>
        </TR>
        <TR>
            <TD align="left" bgcolor="#aaaaaa">
                bexpr→.bexpr or bterm <BR ALIGN="LEFT"/>
                bexpr→.bterm <BR ALIGN="LEFT"/>
                bterm→.bterm and bfactor <BR ALIGN="LEFT"/>
                bterm→.bfactor <BR ALIGN="LEFT"/>
                bfactor→.not bfactor <BR ALIGN="LEFT"/>
                bfactor→.(bexpr) <BR ALIGN="LEFT"/>
                bfactor→.true <BR ALIGN="LEFT"/>
                bfactor→.false <BR ALIGN="LEFT"/>
            </TD>
        </TR>
    </TABLE>
>];

i6[label=<
    <TABLE border="0">
        <TR>
            <TD valign="top" rowspan="1">
                I<sub>6</sub>:
            </TD>
            <TD align="left">
                 bfactor→true.<BR ALIGN="LEFT"/>
            </TD>
        </TR>
    </TABLE>
>];

i7[label=<
    <TABLE border="0">
        <TR>
            <TD valign="top" rowspan="1">
                I<sub>7</sub>:
            </TD>
            <TD align="left">
                bfactor→false. <BR ALIGN="LEFT"/>
            </TD>
        </TR>
    </TABLE>
>];

i8[label=<
    <TABLE border="0">
        <TR>
            <TD valign="top" rowspan="2">
                I<sub>8</sub>:
            </TD>
            <TD align="left">
                bexpr→bexpr or .bterm  <BR ALIGN="LEFT"/>
            </TD>
        </TR>
        <TR>
            <TD align="left" bgcolor="#aaaaaa">
                bterm→ .bterm and bfactor  <BR ALIGN="LEFT"/>
                bterm→.bfactor  <BR ALIGN="LEFT"/>
                bfactor→.not bfactor  <BR ALIGN="LEFT"/>
                bfactor→.(bexpr)  <BR ALIGN="LEFT"/>
                bfactor→.true  <BR ALIGN="LEFT"/>
                bfactor→.false  <BR ALIGN="LEFT"/>
            </TD>
        </TR>
    </TABLE>
>];

i9[label=<
    <TABLE border="0">
        <TR>
            <TD valign="top" rowspan="2">
                I<sub>9</sub>:
            </TD>
            <TD align="left">
                bterm→ bterm and .bfactor <BR ALIGN="LEFT"/>
            </TD>
        </TR>
        <TR>
            <TD align="left" bgcolor="#aaaaaa">
                bfactor→.not bfactor <BR ALIGN="LEFT"/>
                bfactor→.(bexpr) <BR ALIGN="LEFT"/>
                bfactor→.true <BR ALIGN="LEFT"/>
                bfactor→.false <BR ALIGN="LEFT"/>
            </TD>
        </TR>
    </TABLE>
>];

i10[label=<
    <TABLE border="0">
        <TR>
            <TD valign="top" rowspan="1">
                I<sub>10</sub>:
            </TD>
            <TD align="left">
                bfactor→not bfactor. <BR ALIGN="LEFT"/>
            </TD>
        </TR>
    </TABLE>
>];

i11[label=<
    <TABLE border="0">
        <TR>
            <TD valign="top" rowspan="1">
                I<sub>11</sub>:
            </TD>
            <TD align="left">
                bfactor→(bexpr.) <BR ALIGN="LEFT"/>
                bexpr→bexpr .or bterm <BR ALIGN="LEFT"/>
            </TD>
        </TR>
    </TABLE>
>];

i12[label=<
    <TABLE border="0">
        <TR>
            <TD valign="top" rowspan="1">
                I<sub>12</sub>:
            </TD>
            <TD align="left">
                    bexpr→bexpr or bterm. <BR ALIGN="LEFT"/>
                    bterm→ bterm .and bfactor <BR ALIGN="LEFT"/>
            </TD>
        </TR>
    </TABLE>
>];

i13[label=<
    <TABLE border="0">
        <TR>
            <TD valign="top" rowspan="1">
                I<sub>13</sub>:
            </TD>
            <TD align="left">
                bterm→ bterm and bfactor. <BR ALIGN="LEFT"/>
            </TD>
        </TR>
    </TABLE>
>];

i14[label=<
    <TABLE border="0">
        <TR>
            <TD valign="top" rowspan="1">
                I<sub>14</sub>:
            </TD>
            <TD align="left">
                bfactor→(bexpr). <BR ALIGN="LEFT"/>
            </TD>
        </TR>
    </TABLE>
>];

node[width=0.15,shape=none,fixedsize=false];
i2_1[label=<I<sub>2</sub>>];
i3_1[label=<I<sub>3</sub>>];
i3_2[label=<I<sub>3</sub>>];
i4_2[label=<I<sub>4</sub>>];
i4_3[label=<I<sub>4</sub>>];
i4_3[label=<I<sub>4</sub>>];
i5_1[label=<I<sub>5</sub>>];
i5_3[label=<I<sub>5</sub>>];
i5_4[label=<I<sub>5</sub>>];
i6_1[label=<I<sub>6</sub>>];
i6_2[label=<I<sub>6</sub>>];
i6_3[label=<I<sub>6</sub>>];
i6_4[label=<I<sub>6</sub>>];
i7_1[label=<I<sub>7</sub>>];
i7_2[label=<I<sub>7</sub>>];
i7_3[label=<I<sub>7</sub>>];
i7_4[label=<I<sub>7</sub>>];
i8_1[label=<I<sub>8</sub>>];
i9_1[label=<I<sub>9</sub>>];

i0 -> i1 [label ="bexpr"];
i0 -> i2 [label = "bterm"];
i0 -> i3 [label = "bfactor"];
i0 -> i4 [label = "not"];
i0 -> i5 [label = "("];
i0 -> i6 [label = "true"];
i0 -> i7 [label = "false"];
i1 -> i8 [label = "or"];
i2 -> i9 [label = "and"];
i4 -> i10 [label = "bfactor"];
i4 -> i4 [label = "not",weight=1];
i4 -> i5_1 [label = "("];
i4 -> i6_1 [label = "true"];
i4 -> i7_1 [label = "false"];
i5 -> i11 [label = "bexpr"];
i5 -> i2_1 [label ="bterm"];
i5 -> i3_1 [label = "bfactor"];
i5 -> i4_2 [label = "not"];
i5:sw -> i5:_ [label = "("];
i5 -> i6_2 [label = "true"];
i5 -> i7_2 [label = "false"];
i8 -> i12 [label = "bterm"];
i8 -> i3_2 [label = "bfactor"];
i8 -> i4_3 [label = "not"];
i8 -> i5_3 [label = "("];
i8 -> i6_3 [label = "true"];
i8 -> i7_3 [label = "false"];
i9 -> i13 [label = "bfactor"];
i9 -> i4_4 [label = "not"];
i9 -> i5_4 [label = "("];
i9 -> i6_4 [label = "true"];
i9 -> i7_4 [label = "false"];
i11 -> i14 [label = ")"];
i11 -> i8_1 [label = "or"];
i12 -> i9_1[label = "and"];
{rank = same;i0,i5};
{ edge [style=invis weight=100]; i0->i1->i8->i12 }
}