Install GraphViz before building docs on GitHub

[Vampire]

No description provided.

[Vampire]

• Install GraphViz before building docs on GitHub #1905 👈
• master

This stack of pull requests is managed by Graphite. Learn more about stacking.

Join @Vampire and the rest of your teammates on Graphite

[leonard84]

Maybe we don't need it, there is an Java port of graphviz integrated into plantuml.

https://plantuml.com/smetana02 I'll have a look at that first.

[Vampire]

Maybe we don't need it, there is an Java port of graphviz integrated into plantuml.

https://plantuml.com/smetana02 I'll have a look at that first.

Ah, nice.
I was not aware that a Java port of GraphViz even exists.
Last time I searched for one, the only things available were Java bridges to the still native implementation or tool.
But if that is really plain Java, it would of course be preferable.

[Vampire]

Hm, I'm not too convinced of Smetana from a first try. :-D
GraphViz:

Smetana:

My main concern is not the density, but more the arabic ordering. (plantuml/plantuml#1703)