nml/docs/external/graphviz.nml

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Text

@import ../template.nml
%<make_doc({"External Tools"}, "Graphviz", "Graphviz")>%
# Graphs from graphviz
#+LAYOUT_BEGIN Centered
[graph][width=50%]
digraph {
bgcolor=transparent;
graph[fontcolor=darkgray];
node[fontcolor=darkgray];
edge[fontcolor=darkgray, color=gray90];
filelist [shape=box, color=orange, label="File List"];
doclist [shape=box, color=orange, label="Document List"];
iscached [shape=diamond, color=red, label="Cached?"];
parse [shape=box, color=white, label=Parse];
compile [shape=box,color=white, label=Compile];
cache [shape=box, color=orange, label=Cache];
filelist -> iscached;
iscached -> cache[dir=both];
iscached -> doclist[label="Yes"];
iscached -> parse[label="No"];
parse -> compile;
compile -> cache[label=""];
compile -> doclist[label=""];
buildnav [color=white, label="Build Navigation"];
doclist -> buildnav;
output [color=white, label="Output"];
buildnav -> output;
}
[/graph]
#+LAYOUT_END
Graphs blocks are delimited by `` [graph]...[/graph]``
# Properties
* ``layout`` The layout engine, defaults to `dot`
see [Graphviz's documentation](https://graphviz.org/docs/layouts/), allowed values:
*- `[dot](https://graphviz.org/docs/layouts/dot/)`
*- `[neato](https://graphviz.org/docs/layouts/neato/)`
*- `[fdp](https://graphviz.org/docs/layouts/fdp/)`
*- `[sfdp](https://graphviz.org/docs/layouts/sfdp/)`
*- `[circo](https://graphviz.org/docs/layouts/circo/)`
*- `[twopi](https://graphviz.org/docs/layouts/twopi/)`
*- `[osage](https://graphviz.org/docs/layouts/osage/)`
*- `[patchwork](https://graphviz.org/docs/layouts/patchwork/)`
* ``width`` The resulting svg's width property, defaults to `100%`
# Examples
#+LAYOUT_BEGIN[style=flex:0.33] Split
[graph]
digraph UML_Class_diagram {
bgcolor=transparent;
graph[fontcolor=darkgray];
node[fontcolor=darkgray];
edge[fontcolor=darkgray, color=gray90];
graph [
label="UML Class diagram demo"
labelloc="t"
fontname="Helvetica,Arial,sans-serif"
]
node [
fontname="Helvetica,Arial,sans-serif"
shape=record
style=filled
fillcolor=gray95
]
edge [fontname="Helvetica,Arial,sans-serif"]
edge [arrowhead=vee style=dashed]
Client -> Interface1 [label=dependency]
Client -> Interface2
edge [dir=back arrowtail=empty style=""]
Interface1 -> Class1 [xlabel=inheritance]
Interface2 -> Class1 [dir=none]
Interface2 [label="" xlabel="Simple\ninterface" shape=circle]
Interface1[label = <{<b>«interface» I/O</b> | + property<br align="left"/>...<br align="left"/>|+ method<br align="left"/>...<br align="left"/>}>]
Class1[label = <{<b>I/O class</b> | + property<br align="left"/>...<br align="left"/>|+ method<br align="left"/>...<br align="left"/>}>]
edge [dir=back arrowtail=empty style=dashed]
Class1 -> System_1 [label=implementation]
System_1 [
shape=plain
label=<<table border="0" cellborder="1" cellspacing="0" cellpadding="4">
<tr> <td> <b>System</b> </td> </tr>
<tr> <td>
<table border="0" cellborder="0" cellspacing="0" >
<tr> <td align="left" >+ property</td> </tr>
<tr> <td port="ss1" align="left" >- Subsystem 1</td> </tr>
<tr> <td port="ss2" align="left" >- Subsystem 2</td> </tr>
<tr> <td port="ss3" align="left" >- Subsystem 3</td> </tr>
<tr> <td align="left">...</td> </tr>
</table>
</td> </tr>
<tr> <td align="left">+ method<br/>...<br align="left"/></td> </tr>
</table>>
]
edge [dir=back arrowtail=diamond]
System_1:ss1 -> Subsystem_1 [xlabel="composition"]
Subsystem_1 [
shape=plain
label=<<table border="0" cellborder="1" cellspacing="0" cellpadding="4">
<tr> <td> <b>Subsystem 1</b> </td> </tr>
<tr> <td>
<table border="0" cellborder="0" cellspacing="0" >
<tr> <td align="left">+ property</td> </tr>
<tr> <td align="left" port="r1">- resource</td> </tr>
<tr> <td align="left">...</td> </tr>
</table>
</td> </tr>
<tr> <td align="left">
+ method<br/>
...<br align="left"/>
</td> </tr>
</table>>
]
Subsystem_2 [
shape=plain
label=<<table border="0" cellborder="1" cellspacing="0" cellpadding="4">
<tr> <td> <b>Subsystem 2</b> </td> </tr>
<tr> <td>
<table align="left" border="0" cellborder="0" cellspacing="0" >
<tr> <td align="left">+ property</td> </tr>
<tr> <td align="left" port="r1">- resource</td> </tr>
<tr> <td align="left">...</td> </tr>
</table>
</td> </tr>
<tr> <td align="left">
+ method<br/>
...<br align="left"/>
</td> </tr>
</table>>
]
Subsystem_3 [
shape=plain
label=<<table border="0" cellborder="1" cellspacing="0" cellpadding="4">
<tr> <td> <b>Subsystem 3</b> </td> </tr>
<tr> <td>
<table border="0" cellborder="0" cellspacing="0" >
<tr> <td align="left">+ property</td> </tr>
<tr> <td align="left" port="r1">- resource</td> </tr>
<tr> <td align="left">...</td> </tr>
</table>
</td> </tr>
<tr> <td align="left">
+ method<br/>
...<br align="left"/>
</td> </tr>
</table>>
]
System_1:ss2 -> Subsystem_2;
System_1:ss3 -> Subsystem_3;
edge [xdir=back arrowtail=odiamond]
Subsystem_1:r1 -> "Shared resource" [label=aggregation]
Subsystem_2:r1 -> "Shared resource"
Subsystem_3:r1 -> "Shared resource"
"Shared resource" [
label = <{
<b>Shared resource</b>
|
+ property<br align="left"/>
...<br align="left"/>
|
+ method<br align="left"/>
...<br align="left"/>
}>
]
}
[/graph]
#+LAYOUT_NEXT[style=flex:0.66]
Generated by the following code:
``
[graph]
digraph UML_Class_diagram {
bgcolor=transparent;
graph[fontcolor=darkgray];
node[fontcolor=darkgray];
edge[fontcolor=darkgray, color=gray90];
graph [
label="UML Class diagram demo"
labelloc="t"
fontname="Helvetica,Arial,sans-serif"
]
node [
fontname="Helvetica,Arial,sans-serif"
shape=record
style=filled
fillcolor=gray95
]
edge [fontname="Helvetica,Arial,sans-serif"]
edge [arrowhead=vee style=dashed]
Client -> Interface1 [label=dependency]
Client -> Interface2
edge [dir=back arrowtail=empty style=""]
Interface1 -> Class1 [xlabel=inheritance]
Interface2 -> Class1 [dir=none]
Interface2 [label="" xlabel="Simple\ninterface" shape=circle]
Interface1[label = <{<b>«interface» I/O</b> | + property<br align="left"/>...<br align="left"/>|+ method<br align="left"/>...<br align="left"/>}>]
Class1[label = <{<b>I/O class</b> | + property<br align="left"/>...<br align="left"/>|+ method<br align="left"/>...<br align="left"/>}>]
edge [dir=back arrowtail=empty style=dashed]
Class1 -> System_1 [label=implementation]
System_1 [
shape=plain
label=<<table border="0" cellborder="1" cellspacing="0" cellpadding="4">
<tr> <td> <b>System</b> </td> </tr>
<tr> <td>
<table border="0" cellborder="0" cellspacing="0" >
<tr> <td align="left" >+ property</td> </tr>
<tr> <td port="ss1" align="left" >- Subsystem 1</td> </tr>
<tr> <td port="ss2" align="left" >- Subsystem 2</td> </tr>
<tr> <td port="ss3" align="left" >- Subsystem 3</td> </tr>
<tr> <td align="left">...</td> </tr>
</table>
</td> </tr>
<tr> <td align="left">+ method<br/>...<br align="left"/></td> </tr>
</table>>
]
edge [dir=back arrowtail=diamond]
System_1:ss1 -> Subsystem_1 [xlabel="composition"]
Subsystem_1 [
shape=plain
label=<<table border="0" cellborder="1" cellspacing="0" cellpadding="4">
<tr> <td> <b>Subsystem 1</b> </td> </tr>
<tr> <td>
<table border="0" cellborder="0" cellspacing="0" >
<tr> <td align="left">+ property</td> </tr>
<tr> <td align="left" port="r1">- resource</td> </tr>
<tr> <td align="left">...</td> </tr>
</table>
</td> </tr>
<tr> <td align="left">
+ method<br/>
...<br align="left"/>
</td> </tr>
</table>>
]
Subsystem_2 [
shape=plain
label=<<table border="0" cellborder="1" cellspacing="0" cellpadding="4">
<tr> <td> <b>Subsystem 2</b> </td> </tr>
<tr> <td>
<table align="left" border="0" cellborder="0" cellspacing="0" >
<tr> <td align="left">+ property</td> </tr>
<tr> <td align="left" port="r1">- resource</td> </tr>
<tr> <td align="left">...</td> </tr>
</table>
</td> </tr>
<tr> <td align="left">
+ method<br/>
...<br align="left"/>
</td> </tr>
</table>>
]
Subsystem_3 [
shape=plain
label=<<table border="0" cellborder="1" cellspacing="0" cellpadding="4">
<tr> <td> <b>Subsystem 3</b> </td> </tr>
<tr> <td>
<table border="0" cellborder="0" cellspacing="0" >
<tr> <td align="left">+ property</td> </tr>
<tr> <td align="left" port="r1">- resource</td> </tr>
<tr> <td align="left">...</td> </tr>
</table>
</td> </tr>
<tr> <td align="left">
+ method<br/>
...<br align="left"/>
</td> </tr>
</table>>
]
System_1:ss2 -> Subsystem_2;
System_1:ss3 -> Subsystem_3;
edge [xdir=back arrowtail=odiamond]
Subsystem_1:r1 -> "Shared resource" [label=aggregation]
Subsystem_2:r1 -> "Shared resource"
Subsystem_3:r1 -> "Shared resource"
"Shared resource" [
label = <{
<b>Shared resource</b>
|
+ property<br align="left"/>
...<br align="left"/>
|
+ method<br align="left"/>
...<br align="left"/>
}>
]
}
[/graph]
``
#+LAYOUT_END
# Graphiz cache
Rendered Graphviz graphs that have been rendered to **svg** are stored in the cache database, under table ``cached_dot``.
Unless you modify the graph or it's properties, it won't be rendered again, instead it will be sourced from the database.