Re: How to place things differently in dot

[Cecil Westerhof <cldwesterhof@gmail.com>]

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2015-03-26 21:27 GMT+01:00 Nick Dokos <ndokos@gmail.com>:

> Cecil Westerhof <cldwesterhof@gmail.com> writes:
>
> > I was asked to make a diagram and was thinking that dot in org-mode
> could be a good idea.
> >
> > I got reasonably fast the following:
> > <snip
> > This is a good deal in the right direction, but a few things should be
> different:
> > ​- E should be left of F
> > - resource should go to the second 'line' without losing its border
> > - K should be a 'line' lower
> >
>
> Maybe this will help although it's not a complete implementation of
> what you have. The idea is to define rows and arrange your nodes into
> those rows by using rank=same. Then make the row nodes and edges
> invisible. It's also important to do the sequencing correctly, e.g.
> in your example, if you just switch F -- E to E -- F, E will be to the
> left of F as you want. But I don't know how to get the resources
> subgraph to be treated as a node and thereby place it on the same row as F.
>
> In any case, here's the current trial balloon:
>
> --8<---------------cut here---------------start------------->8---
> #+BEGIN_SRC dot :file test2.svg :cmdline -Kdot -Tsvg
> graph foo {
> row1--row2--row3--row4 [style="invisible"];
> row1, row2, row3, row4 [style="invisible"];
>
> utilities [label = "Utilities"]
>  A
>  B
>  C
>  D
>  E
>  F [shape="rectangle"]
>  G
>  H
>  I
>  K
>  subgraph cluster_ta {
>  color=blue
>  {rank = same; L, M;}
>  L
>  M
>  }
>
> {rank=same; row1 utilities A B C; }
> {rank=same; row2 D E F;}
> {rank=same; row3 G H I;}
> {rank=same; row4 K;}
>
> subgraph cluster_resources {
>   resources [label = "Resources"]
>   graph[color=red];
>  }
>
> A -- F
> B -- F
> C -- F
> A -- D
> E -- F
> F -- G
> F -- H
> F -- I
> F -- K
> K -- L
> K -- M
> L -- M
> }
> #+END_SRC
>
> --8<---------------cut here---------------end--------------->8---
>

​I did it a little differently:
    #+BEGIN_SRC dot :file test.png :cmdline -Kdot -Tpng
    graph {
      utilities [label = "Utility's"]

      A
      B
      C

      D
      E
      F [shape = rectangle]


      subgraph cluster_resources {
        color=blue
        resources [label = "Resources"]
      }

      G
      G_ [style="invisible"]
      H
      I

      K
      subgraph cluster_ta {
        color=blue
        {rank = same; L, M}
        L
        M
      }

      {rank = same; D,  E, F}
      {rank = same; G_, K}


      A -- F
      B -- F
      C -- F
      A -- D

      E -- F

      F -- K
      F -- G
      F -- H
      F -- I

      G -- G_ [style="invisible"]

      K -- L
      K -- M
      L -- M
    }
    #+END_SRC
​

​In this way I do not get an empty column. It would be better when K would
put between and below H and I, but I think I can live with it.​

-- 
Cecil Westerhof

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