Number: 90
Title: timeline does not work with clusters
Submitter: Bernd Holzmüller
Date: Tue Feb 26 05:19:03 2002
Subsys: Dot
Version: 1.8
System: *-*-*
Severity: major
Problem:
I want to use a timeline and associate nodes with the items in the timeline (via rank=same). This does not work when using clusters for groups of nodes:

a) if the timeline nodes are themselves are grouped in a cluster, other clusters do not expand as necessary to layout the nodes with ranks given by the timeline

b) if the timeline nodes are not in a cluster, they are put inside the clusters which I do not want.
Input: 

digraph BDFFDFF{
size="11,11"

subgraph clusterKM {
node[shape=plaintext]
edge[style=invis]
"(141,908)" -> "(151,308)"
"(151,308)" -> "(152,651)"
"(152,651)" -> "(152,708)"
"(152,708)" -> "(159,811)"
"(159,811)" -> "(160,0)"
"(160,0)" -> "(180,0)"

}
subgraph cluster1 {
{rank=same;"(141,908)";"1:AEND (1,0)"[fontcolor=green,shape=polygon,sides=4,peripheries=2,style=filled,height=0.1]}
{rank=same;"(151,308)";"1:LKUE (95,0)"[fontcolor=blue,shape=box,height=0.1]}
}

subgraph cluster2 {
{rank=same;"(152,651)";"3:WEI (14,4)"[fontcolor=red,shape=plaintext]}
{rank=same;"(159,811)";"3:AEND (86,0)"[fontcolor=green,shape=polygon,sides=4,peripheries=2,style=filled,height=0.1]}
"3:LKUE (1,0)"[fontcolor=blue,shape=box,height=0.1]
}

subgraph cluster3 {
{rank=same;"(152,708)";"9:LKUE (15,0)"[fontcolor=blue,shape=box,height=0.1]}
{rank=same;"(160,0)";"9:ELL (62,0)"[fontcolor=brown]}
{rank=same;"(180,0)";"9:AEND (62,0)"[fontcolor=green,shape=polygon,sides=4,peripheries=2,style=filled,height=0.1]}
}

"1:AEND (1,0)" -> "1:LKUE (95,0)"
"1:LKUE (95,0)" -> "3:LKUE (1,0)"
"3:LKUE (1,0)" -> "3:WEI (14,4)"
"3:WEI (14,4)" -> "3:AEND (86,0)"
"3:WEI (14,4)" -> "9:LKUE (15,0)"
"9:LKUE (15,0)" -> "9:ELL (62,0)"
"9:ELL (62,0)" -> "9:AEND (62,0)"

}
Comments:
[erg] This is related to an earlier request by Charles Martin <martin@chasm.org> who wanted to do protocol diagrams such as 

+-----------------+      +-----------------+
| Server          |      | Client          |
|                 |      |                 |
|          1 <-------------- 0             |
|          |      |      |                 |
|   +------|----+ |      |      +--------+ |
|   | Foo  |    | |      |      | Bar    | |
|   |      v    | |      |      |        | |
|   |      2 ----------------------> 3   | |
|   |           | |      |      |    |   | |
|   |           | |      |      |    v   | |
|   |      5 <---------------------- 4   | |
|   |      |    | |      |      |        | |
|   |      |    | |      |      |        | |
|   +------|----+ |      |      +--------+ |
|          V      |      |                 |
|          6 --------------> 7             |
|                 |      |                 |
+-----------------+      +-----------------+
but again the cluster semantics prohibit this.
Owner: *
Status: *