#9 boxes connected with two lines are not rendered properly

[Mateusz Viste]

See this:

+-----------+
| upper box |
+-+------+--+
| |
| |
+-+------+---+
| bottom box |
+------------+

Here I have two boxes (upper and bottom), and they are connected to each other with two lines.

Unfortunately, ditaa renders this as three separate boxes, without any connections.
I understand this is a tricky case, but it's also a case that is often used when working with networking diagrams.. I don't know how this could be solved automatically, but some kind of tag like {notbox} would be enough to sort this out.

[Mateusz Viste]

damn, the sourceforge formatting broke my example ascii graph :/ here it is again, in non-broken form:

+-----------+
| upper box |
+-+------+--+
  |      |
  |      |
+-+------+---+
| bottom box |
+------------+

[Stathis Sideris]

Would it make sense to have arrowheads on one or both sides of the line? I
think that would stop it being rendered as a box.

On 20 May 2014 11:04, Mateusz Viste mv_fox@users.sf.net wrote:

damn, the sourceforge formatting broke my example ascii graph :/ here is
again in non-broken form:

+-----------+	upper box	+-+------+--+
		+-+------+---+

---

• [bugs:#9] http://sourceforge.net/p/ditaa/bugs/9/ boxes connected with
  two lines are not rendered properly*

Status: open
Group: v1.0 (example)
Created: Tue May 20, 2014 10:02 AM UTC by Mateusz Viste
Last Updated: Tue May 20, 2014 10:02 AM UTC
Owner: nobody

See this:

+-----------+
| upper box |
+-+------+--+
| |
| |
+-+------+---+
| bottom box |
+------------+

Here I have two boxes (upper and bottom), and they are connected to each
other with two lines.

Unfortunately, ditaa renders this as three separate boxes, without any
connections.
I understand this is a tricky case, but it's also a case that is often
used when working with networking diagrams.. I don't know how this could be
solved automatically, but some kind of tag like {notbox} would be enough to
sort this out.

---

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[Stathis Sideris]

Would it make sense to have arrowheads on one or both sides of the line? I think that would stop it being rendered as a box.

[Mateusz Viste]

Yes, you are right - indeed if I add arrows, then the problem disappears, but I end up with meaningless arrows on my diagram, which still doesn't make much sense :)

But this gives me another idea - a possible alternative solution to the "notbox" tag would be to define some "invisible arrows" (ie a way to say "this is a line").