Line between connectors of the same node - graphviz

How can I do the drawing of arrow
A1:Port1 -> A1:Port2 [dir=both]
nicer
So at least same connection point at the same point as the other connector. See picture.
Line between connectors of the same node
Round line between connecoors of the same node
digraph G {
graph [rankdir = LR];
node[shape=record];
A1[label="{A1|{<Port1>Port 1|<Port2>Port 2 }}"];
A2[label="{{<Port1>Port 1|<Port2>Port 2 }|A2}"];
A1:Port1 -> A1:Port2 [dir=both]
A1:Port1 -> A2:Port1 [dir=both]
}

I would introduce an intermediate node:
digraph G {
graph [rankdir = LR];
node[shape=record];
A1[label="{A1|{<Port1>Port 1|<Port2>Port 2 }}"];
A2[label="{{<Port1>Port 1|<Port2>Port 2 }|A2}"];
C[shape=point];
A1:Port1 -> C;
C -> A1:Port2;
C -> A2:Port1;
}
so you get:

Posting it as an answer, so that the resulting graph is clear:
digraph G
{
graph[ rankdir = LR, splines=line] ;
node[ shape=record ];
A1[ label= "{A1|{<Port1>Port 1|<Port2>Port 2 }}" ];
A2[ label= "{{<Port1>Port 1|<Port2>Port 2 }|A2}" ];
A1:Port1:e -> A1:Port2:e [ dir=both ]
A1:Port1 -> A2:Port1 [ dir=both, minlen = 2 ]
}
producing

Related

Graphviz ordering of nodes on the same rank

I made a graph and it looks like I want it to with one exception: the cluster containing nodes D and E should be placed between nodes B and C.
Here is the .dot:
digraph {
node[shape=rectangle]
graph [
newrank=true
];
Z
A
B
C
{
rank=same;
A -> B -> D;
D -> C[style=invis];
}
subgraph clusterSS {
style=dashed;
D[group=ss]
E[group=ss]
D -> E[style="dashed"; dir = none];
}
Z -> A
Z -> B
Z -> D
Z -> C
A -> P[dir = back]
B -> S
S -> B[constraint = false];
C -> S
S -> E[constraint = false]
E -> S[label = "Label"]
}
I expected that having edges between nodes
{
rank=same;
A -> B -> D;
D -> C[style=invis];
}
would ensure correct ordering, but it doesn't.
The ordering becomes correct once I delete the edge label between S and E, but I do need to keep the labels.
[non-trivial, not guaranteed to work as desired in any other circumstance]
Added clusters, invisible nodes,and more. ugh
digraph {
node[shape=rectangle]
graph [
newrank=true
];
{
rank=same;
A -> B -> D;
D -> C[style=invis];
}
subgraph clusterSS {
style=dashed;
D [group=ss]
E [group=ss]
D -> E[style="dashed"; dir = none];
}
subgraph clusterAP {
peripheries=0
A -> P[dir = back]
}
subgraph clusterB {
peripheries=0
B
bogus [style=invis shape=plain]
B->bogus [style=invis]
}
Z -> A
Z -> B
Z -> D
Z -> C
S [group=ss]
B -> S:nw
B -> S:w [dir=back]
C -> S
S -> E[constraint = false]
E -> S[label = "Label"]
}
Giving:

When rankdir is LR, why are the nodes in the same rank ordered bottom to top instead of top to bottom?

In the following example, the nodes in the subgraphs are ordered from the bottom to the top instead of from top to bottom. How can that be reversed, so that the start is top-left and the nodes in the subgraphs are ordered from top to bottom (A1-A4 and B1-B4)?
digraph ab
{
rankdir=LR
splines=ortho
ranksep=1
node[shape = record]
subgraph cluster_0
{
label="A"
{
rank = "same"
state0_anchor [label="", style=invis, width=0]
state0_step0 [label="A1"]
state0_step1 [label="A2"]
state0_step2 [label="A3"]
state0_step3 [label="A4"]
}
state0_anchor->state0_step0[style = invis]
state0_step0 -> state0_step1 -> state0_step2 -> state0_step3
}
state0_step3 -> state0_step0 [constraint=false]
state0_step3 -> state1_step0 [constraint=false]
subgraph cluster_state1
{
label="B"
{
rank = "same"
state1_anchor [label="", style=invis, width=0, height=0]
state1_step0 [label="B1"]
state1_step1 [label="B2"]
state1_step2 [label="B3"]
state1_step3 [label="B4"]
}
state1_anchor->state1_step0[style = invis]
state1_step0 -> state1_step1 -> state1_step2 -> state1_step3
}
state1_step3 -> state0_step0 [constraint=false]
state0_anchor -> state1_anchor[style = invis]
start -> state0_step0
}
In your example, when direction of the edges within the subgraphs are reversed, the nodes will be ordered the way you'd like. Something like this:
state0_step3 -> state0_step2 [dir=rev]
state0_step2 -> state0_step1 [dir=rev]
state0_step1 -> state0_step0 [dir=rev]
state0_step0 -> state0_anchor [style = invis]
The same for state1-nodes.
Details about transformations when going LR can be found in https://stackoverflow.com/a/9592856/63733

subgraph changed alignment when put into a cluster

The graph I would like contains a top row; the rightmost node (T3) then points to A. A through E are in a vertical column, C and F are vertically aligned and H, I and J are vertically aligned. Additionally, C, F and H are horizontally aligned and E, G and J are horizontally aligned.
When I add subgraph cluster_0 in front of the already existing subgraphs, i.e. subgraph cluster_0 { rank=same; A -> B -> C-> D-> E; }, the subgraph becomes horizontally aligned...
How can I introduce the cluster without this occurring? Also, the edge from T3 to A is nearly straight. I would be nice if it went straight down, right angled to the left then right angled down to A.
Here is what works:
digraph G { rankdir = LR ranksep = 1.2 nodesep = 0.5
T1 -> T2 -> T3;
{ rank=same; A -> B -> C -> D -> E; }
C -> F
{ rank=same F -> G[style=invis] }
E->G
{ rankdir=LR rank=same H -> I -> J}
F -> H [style=dotted]
G -> J [style=invis]
edge [constraint=false]
T3->A
}
And here is what doesn't work
digraph G { rankdir = LR ranksep = 1.2 nodesep = 0.5
T1 -> T2 -> T3;
subgraph cluster_0 { rank=same; A -> B -> C -> D -> E; }
C -> F
subgraph cluster_1 { rank=same F -> G[style=invis] }
E->G
subgraph cluster_2 { rankdir=LR rank=same H -> I -> J}
F -> H [style=dotted]
G -> J [style=invis]
edge [constraint=false]
T3->A
}
This is about as close as I can get, but the clusters definitely introduce some differences. Also the "almost straight" lines I corrected with splines=ortho. I moved the ABCDE subgraph over with an invisible edge to T1.
digraph G { rankdir=TB ranksep = 0.5 nodesep = 0.5 splines=ortho
{rank=same T1 -> T2 -> T3;}
T1->A [style=invis]
subgraph cluster_0 {rank=min A -> B -> C -> D -> E; }
C -> F
subgraph cluster_1 { rank=same F -> G[style=invis] }
E->G
subgraph cluster_2 { rankdir=LR rank=same H -> I -> J}
F -> H [style=dotted]
G -> J [style=invis]
edge [constraint=false]
T3->A
}

Alignment issue with two clusters using Graphviz and Dot

I'm trying to get the following dot file to output two subgraphs. I want the bLoop node in cluster0 to align with the ISR struct in cluster 2. I'm using an invisible node to do this now, but with the unintended consequence of lot of gray space left in cluster0.
Is there a way to do what I want without the invisible node?
I can't post images yet, so here's the link.
digraph G {
ranksep=.75;
nodesep = 1.5;
node [shape = none]
node[fontsize=16,fixedsize=false,width=0.7,shape=rectangle];
edge[fontsize=16];
ratio=fill;
splines=false;
compound=true;
subgraph cluster0 {
node [style=filled];
style=filled;
color=lightgrey;
label = "Setup and Background Loop";
a0[label = "Peripheral Configs"];
a1[label = "Solar Library Block Configs"];
a2[label = "Enable Interrupts"];
bgLoop[label = "Start Background Loop"];
e0[shape=rectangle, style=invis, fixedsize=true, width=.01];
a0 -> a1 -> a2 -> bgLoop;
bgLoop ->e0[style=invis]
}
subgraph cluster1 {
node [style=filled, shape = "doublecircle"];
start
style="invis"
}
subgraph cluster2 {
node [shape=record,color=white];
style=filled;
color=lightgrey;
label = "ISRs";
struct1 [shape = record, color=white, label="{<f1> Slow ISR | <f2> Fast ISR }"];
}
concentrate = true;
struct1 -> bgLoop[lhead=cluster0, ltail=cluster4, constraint=true];
bgLoop -> struct1[lhead=cluster4, ltail=cluster0, constraint=true];
struct1 -> e0[style=invis, constraint=true];
start -> a0[lhead=cluster0];
}
you need helper nodes to get the correct rank for struct1.
digraph G {
ranksep=.75;
nodesep = 1.5;
node[fontsize=16,fixedsize=false,width=0.7,shape=rectangle];
edge[fontsize=16];
compound=true
subgraph cluster2 { rank="max"
node [shape=record,color=white];
style=filled;
color=lightgrey;
label = "ISRs";
struct1 [shape = record, color=white, label="{<f1> Slow ISR | <f2> Fast ISR }"];
}
subgraph cluster0 {
node [style=filled];
style=filled;
color=lightgrey;
label = "Setup and Background Loop";
a0[label = "Peripheral Configs"];
a1[label = "Solar Library Block Configs"];
a2[label = "Enable Interrupts"];
bgLoop[label = "Start Background Loop"];
a0 -> a1 -> a2 -> bgLoop;
}
subgraph cluster1 {
node [style=filled, shape = "doublecircle"];
start
style="invis"
}
{node [style=invis]; 0; 1; 2; 3; }
{edge [style=invis]; 0->1->2->3->struct1; }
struct1 -> bgLoop[lhead=cluster0, ltail=cluster2, constraint=false];
bgLoop -> struct1[lhead=cluster2, ltail=cluster0, constraint=false];
start -> a0[lhead=cluster0];
}

Graphviz - Box positioning Problem

My structure has two main chains with side nodes in sub graphs. Every thing looks nice but when i close the two chains all the boxes in the sub graphs jumps to the right side.
At the end of my code you can remove the "I"->"J" then you can see the best what I mean.
I am not a native English speaker, sorry about my English and I am a graphviz newbie.
digraph G {
size ="6,6";
node [color=black fontsize=12, shape=box, fontname=Helvetica];
subgraph {
rank = same;
"b"->"B"[arrowhead=none];
}
subgraph {
rank=same;
"c"->"C"[arrowhead=none];
}
subgraph {
rank=same;
"e"->"E" [arrowhead=none];
}
subgraph {
rank = same;
"f"->"F"[arrowhead=none];
}
subgraph {
rank = same;
"g"->"G"[arrowhead=none];
}
"0" -> "A" -> "B" -> "C"->"D" -> "E" -> "F" -> "G" -> "H"->"I";
"0" -> "K"->"L"->"M"->"N"->"O" ->"P"->"1";
subgraph {
rank = same;
"L"->"l"[arrowhead=none];
}
subgraph {
rank=same;
"M"->"m"[arrowhead=none];
}
subgraph {
rank=same;
"N"->"n" [arrowhead=none];
}
subgraph {
rank = same;
"O"->"o"[arrowhead=none];
}
subgraph {
rank = same;
"P"->"p"[arrowhead=none];
}
"1"->"J";
"I"->"J";
}
and with "I"->"J"; removed:
This is how I'd go about it: Create a cluster for each main chain with its side nodes:
digraph G {
size ="6,6";
node [color=black fontsize=12, shape=box, fontname=Helvetica];
subgraph[style=invis];
subgraph cluster0 {
A -> B -> C -> D -> E -> F -> G -> H -> I;
edge[arrowhead=none];
{rank = same; b->B;}
{rank = same; c->C;}
{rank = same; e->E;}
{rank = same; f->F;}
{rank = same; g->G;}
}
subgraph cluster1 {
K -> L -> M -> N -> O -> P -> 1 -> J;
edge[arrowhead=none];
{rank = same; L->l;}
{rank = same; M->m;}
{rank = same; N->n;}
{rank = same; O->o;}
{rank = same; P->p;}
}
0 -> A;
0 -> K;
I -> J;
}
Resulting in:

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