Examples borrowed from this GraphViz Pocket Reference and its underlying Git repository.
Error generating Graphviz image:
Graphviz cannot generate graph
Command: /usr/bin/dot '-Kcirco' '-Tsvg' '-o/data/blog.flirble.org/wp-content/tfo-graphviz/5b4f5eb7bff993479498c7445382b27d.svg'
Output:
There is no layout engine support for "circo"
Use one of:
Original DOT:
1
2 graph {
3 rankdir = LR;
4
5 a -- b;
6 b -- c;
7 a -- c;
8 d -- c;
9 e -- c;
10 e -- a;
11 }
12
Error generating Graphviz image:
Graphviz cannot generate graph Command: /usr/bin/dot '-Kcirco' '-Tsvg' '-o/data/blog.flirble.org/wp-content/tfo-graphviz/746d924df72122a005280eca31010aed.svg' Output: There is no layout engine support for "circo" Use one of: Original DOT: 1 2 graph { 3 rankdir = LR; 4 5 a -- b; 6 b -- c; 7 a -- c; 8 d -- c; 9 e -- c; 10 e -- a; 11 } 12
Error generating Graphviz image:
Graphviz cannot generate graph
Command: /usr/bin/dot '-Kcirco' '-Tsvg' '-o/data/blog.flirble.org/wp-content/tfo-graphviz/b58262f02d798baac1bc540950a44805.svg'
Output:
There is no layout engine support for "circo"
Use one of:
Original DOT:
1
2 graph {
3 a -- b;
4 b -- c;
5 c -- d;
6 d -- e;
7 e -- f;
8 a -- f;
9 a -- c;
10 a -- d;
11 a -- e;
12 b -- d;
13 b -- e;
14 b -- f;
15 c -- e;
16 c -- f;
17 d -- f;
18 }
19
Error generating Graphviz image:
Graphviz cannot generate graph Command: /usr/bin/dot '-Kcirco' '-Tsvg' '-o/data/blog.flirble.org/wp-content/tfo-graphviz/2257493f5878f0b8deb4382d4d32e23f.svg' Output: There is no layout engine support for "circo" Use one of: Original DOT: 1 2 graph { 3 a -- b; 4 b -- c; 5 c -- d; 6 d -- e; 7 e -- f; 8 a -- f; 9 a -- c; 10 a -- d; 11 a -- e; 12 b -- d; 13 b -- e; 14 b -- f; 15 c -- e; 16 c -- f; 17 d -- f; 18 } 19
Error generating Graphviz image:
Graphviz cannot generate graph
Command: /usr/bin/dot '-Kcirco' '-Tsvg' '-o/data/blog.flirble.org/wp-content/tfo-graphviz/236a38a0ab7b29a24ad82ad33830b60b.svg'
Output:
There is no layout engine support for "circo"
Use one of:
Original DOT:
1
2 digraph {
3 a -> b;
4 b -> c;
5 c -> d;
6 d -> a;
7 }
8
Error generating Graphviz image:
Graphviz cannot generate graph Command: /usr/bin/dot '-Kdot' '-Tsvg' '-o/data/blog.flirble.org/wp-content/tfo-graphviz/90f07206a09673ad3a9c03a2e6fc17f8.svg' Output: There is no layout engine support for "dot" Perhaps "dot -c" needs to be run (with installer's privileges) to register the plugins? Original DOT: 1 2 digraph { 3 a -> b; 4 b -> c; 5 c -> d; 6 d -> a; 7 } 8
Error generating Graphviz image:
Graphviz cannot generate graph Command: /usr/bin/dot '-Kcirco' '-Tsvg' '-o/data/blog.flirble.org/wp-content/tfo-graphviz/11d844a1fd7de8a755482d453d0cf4d4.svg' Output: There is no layout engine support for "circo" Use one of: Original DOT: 1 2 digraph { 3 a -> b[label="0.2",weight="0.2"]; 4 a -> c[label="0.4",weight="0.4"]; 5 c -> b[label="0.6",weight="0.6"]; 6 c -> e[label="0.6",weight="0.6"]; 7 e -> e[label="0.1",weight="0.1"]; 8 e -> b[label="0.7",weight="0.7"]; 9 } 10
Error generating Graphviz image:
Graphviz cannot generate graph
Command: /usr/bin/dot '-Kcirco' '-Tsvg' '-o/data/blog.flirble.org/wp-content/tfo-graphviz/672bd096441f257c6059be0166e0d581.svg'
Output:
There is no layout engine support for "circo"
Use one of:
Original DOT:
1
2 digraph {
3 a -> b[label="0.2",weight="0.2"];
4 a -> c[label="0.4",weight="0.4"];
5 c -> b[label="0.6",weight="0.6"];
6 c -> e[label="0.6",weight="0.6"];
7 e -> e[label="0.1",weight="0.1"];
8 e -> b[label="0.7",weight="0.7"];
9 }
10
Error generating Graphviz image:
Graphviz cannot generate graph
Command: /usr/bin/dot '-Kcirco' '-Tsvg' '-o/data/blog.flirble.org/wp-content/tfo-graphviz/3b0617b4f6ae2f22d8f195995b0e5bd2.svg'
Output:
There is no layout engine support for "circo"
Use one of:
Original DOT:
1
2 graph {
3 a -- b[color=red,penwidth=3.0];
4 b -- c;
5 c -- d[color=red,penwidth=3.0];
6 d -- e;
7 e -- f;
8 a -- d;
9 b -- d[color=red,penwidth=3.0];
10 c -- f[color=red,penwidth=3.0];
11 }
12
Error generating Graphviz image:
Graphviz cannot generate graph Command: /usr/bin/dot '-Kcirco' '-Tsvg' '-o/data/blog.flirble.org/wp-content/tfo-graphviz/76eee1a6bbf05acd1c1aabf74e70f9b2.svg' Output: There is no layout engine support for "circo" Use one of: Original DOT: 1 2 graph { 3 a -- b[color=red,penwidth=3.0]; 4 b -- c; 5 c -- d[color=red,penwidth=3.0]; 6 d -- e; 7 e -- f; 8 a -- d; 9 b -- d[color=red,penwidth=3.0]; 10 c -- f[color=red,penwidth=3.0]; 11 } 12
Error generating Graphviz image:
Graphviz cannot generate graph
Command: /usr/bin/dot '-Kcirco' '-Tsvg' '-o/data/blog.flirble.org/wp-content/tfo-graphviz/fe15488be9e17bed6c862212f5d9c430.svg'
Output:
There is no layout engine support for "circo"
Use one of:
Original DOT:
1
2 digraph {
3 subgraph cluster_0 {
4 label="Subgraph A";
5 a -> b;
6 b -> c;
7 c -> d;
8 }
9
10 subgraph cluster_1 {
11 label="Subgraph B";
12 a -> f;
13 f -> c;
14 }
15 }
16
Error generating Graphviz image:
Graphviz cannot generate graph Command: /usr/bin/dot '-Kcirco' '-Tsvg' '-o/data/blog.flirble.org/wp-content/tfo-graphviz/637fe4c9a419b351190880a3f2676579.svg' Output: There is no layout engine support for "circo" Use one of: Original DOT: 1 2 digraph { 3 subgraph cluster_0 { 4 label="Subgraph A"; 5 a -> b; 6 b -> c; 7 c -> d; 8 } 9subgraph cluster_1 { label="Subgraph B"; a -> f; f -> c; }10 } 11
Error generating Graphviz image:
Graphviz cannot generate graph
Command: /usr/bin/dot '-Kcirco' '-Tsvg' '-o/data/blog.flirble.org/wp-content/tfo-graphviz/e14bd1dbc0140134ee8c9fab7d377a13.svg'
Output:
There is no layout engine support for "circo"
Use one of:
Original DOT:
1
2 graph {
3 splines=line;
4 subgraph cluster_0 {
5 label="Subgraph A";
6 a; b; c
7 }
8
9 subgraph cluster_1 {
10 label="Subgraph B";
11 d; e;
12 }
13
14 a -- e;
15 a -- d;
16 b -- d;
17 b -- e;
18 c -- d;
19 c -- e;
20 }
21
Error generating Graphviz image:
Graphviz cannot generate graph Command: /usr/bin/dot '-Kcirco' '-Tsvg' '-o/data/blog.flirble.org/wp-content/tfo-graphviz/06699b4914b1a0b04b36e207102f27a4.svg' Output: There is no layout engine support for "circo" Use one of: Original DOT: 1 2 graph { 3 splines=line; 4 subgraph cluster_0 { 5 label="Subgraph A"; 6 a; b; c 7 } 8subgraph cluster_1 { label="Subgraph B"; d; e; } a -- e; a -- d; b -- d; b -- e; c -- d; c -- e;9 } 10
Error generating Graphviz image:
Graphviz cannot generate graph
Command: /usr/bin/dot '-Kdot' '-Tsvg' '-o/data/blog.flirble.org/wp-content/tfo-graphviz/b08513fc9498c1ffc563d3e98eb72b25.svg'
Output:
There is no layout engine support for "dot"
Perhaps "dot -c" needs to be run (with installer's privileges) to register the plugins?
Original DOT:
1
2 graph {
3 rankdir=LR; // Left to Right, instead of Top to Bottom
4 a -- { b c d };
5 b -- { c e };
6 c -- { e f };
7 d -- { f g };
8 e -- h;
9 f -- { h i j g };
10 g -- k;
11 h -- { o l };
12 i -- { l m j };
13 j -- { m n k };
14 k -- { n r };
15 l -- { o m };
16 m -- { o p n };
17 n -- { q r };
18 o -- { s p };
19 p -- { s t q };
20 q -- { t r };
21 r -- t;
22 s -- z;
23 t -- z;
24 }
25
Error generating Graphviz image:
Graphviz cannot generate graph Command: /usr/bin/dot '-Kdot' '-Tsvg' '-o/data/blog.flirble.org/wp-content/tfo-graphviz/b3803dec7d88f82c1b0a484016adf039.svg' Output: There is no layout engine support for "dot" Perhaps "dot -c" needs to be run (with installer's privileges) to register the plugins? Original DOT: 1 2 graph { 3 rankdir=LR; // Left to Right, instead of Top to Bottom 4 a -- { b c d }; 5 b -- { c e }; 6 c -- { e f }; 7 d -- { f g }; 8 e -- h; 9 f -- { h i j g }; 10 g -- k; 11 h -- { o l }; 12 i -- { l m j }; 13 j -- { m n k }; 14 k -- { n r }; 15 l -- { o m }; 16 m -- { o p n }; 17 n -- { q r }; 18 o -- { s p }; 19 p -- { s t q }; 20 q -- { t r }; 21 r -- t; 22 s -- z; 23 t -- z; 24 } 25
Error generating Graphviz image:
Graphviz cannot generate graph
Command: /usr/bin/dot '-Kdot' '-Tsvg' '-o/data/blog.flirble.org/wp-content/tfo-graphviz/260ebfb1321036af8a20ad5b8b5aacf2.svg'
Output:
There is no layout engine support for "dot"
Perhaps "dot -c" needs to be run (with installer's privileges) to register the plugins?
Original DOT:
1
2 graph {
3 rankdir=LR;
4 a -- { b c d }; b -- { c e }; c -- { e f }; d -- { f g }; e -- h;
5 f -- { h i j g }; g -- k; h -- { o l }; i -- { l m j }; j -- { m n k };
6 k -- { n r }; l -- { o m }; m -- { o p n }; n -- { q r };
7 o -- { s p }; p -- { s t q }; q -- { t r }; r -- t; s -- z; t -- z;
8 { rank=same; b, c, d }
9 { rank=same; e, f, g }
10 { rank=same; h, i, j, k }
11 { rank=same; l, m, n }
12 { rank=same; o, p, q, r }
13 { rank=same; s, t }
14 }
15
Error generating Graphviz image:
Graphviz cannot generate graph Command: /usr/bin/dot '-Kdot' '-Tsvg' '-o/data/blog.flirble.org/wp-content/tfo-graphviz/7b2040ecfd0a226eaae035445ec618f5.svg' Output: There is no layout engine support for "dot" Perhaps "dot -c" needs to be run (with installer's privileges) to register the plugins? Original DOT: 1 2 graph { 3 rankdir=LR; 4 a -- { b c d }; b -- { c e }; c -- { e f }; d -- { f g }; e -- h; 5 f -- { h i j g }; g -- k; h -- { o l }; i -- { l m j }; j -- { m n k }; 6 k -- { n r }; l -- { o m }; m -- { o p n }; n -- { q r }; 7 o -- { s p }; p -- { s t q }; q -- { t r }; r -- t; s -- z; t -- z; 8 { rank=same; b, c, d } 9 { rank=same; e, f, g } 10 { rank=same; h, i, j, k } 11 { rank=same; l, m, n } 12 { rank=same; o, p, q, r } 13 { rank=same; s, t } 14 } 15