Drawing diagrams with PlantUML
Pros and Cons
With the basics covered, there are some general pros and cons to using PlantUML for creating diagrams.
PlantUML uses plain text, and very simple text at that. On one hand, this makes it extremely quick to write, without wasting time by clicking on countless options or dragging around lines and boxes.
On the other hand, this efficiency results in some loss of control. A PlantUML diagram is "inferred by a deterministic algorithm in the rendering process" [1]. Therefore, describing diagrams with text instead of just drawing them on your computer is like writing Markdown instead of using a word processor. While you can focus on your diagram's structure, the algorithms baked into PlantUML do the actual drawing. If the developers of the next PlantUML version decide to change those algorithms (or some of the graphic libraries), all your diagrams could assume a new look and feel when you upgrade, whether you like it or not.
While this may be a showstopper for some users, don't let it scare you, because there is nothing as reusable as a PlantUML diagram, and it has so many uses [8]. You can automatically create or process UML code with any major programming language. Above all, you can write, copy, and paste UML code in LibreOffice, Microsoft Office, WordPress, Etherpad, MediaWiki, and many other editors or content management systems. With the right plugins, all those programs will read that code and convert it into embedded diagrams without a hitch. What's not to like?
Infos
- PlantUML: http://www.plantuml.com
- PlantUML web server: http://www.plantuml.com/plantuml
- PlantUML command-line options: https://plantuml.com/command-line
- PlantBuddy diagram: https://github.com/anoff/plantbuddy
- PlantUML Reference Guide: http://plantuml.com/guide
- Open Iconic: https://useiconic.com/open
- Custom sprites: https://plantuml.com/sprite
- Using PlantUML: https://plantuml.com/running
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