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Jeroen W. Pluimers on .NET, C#, Delphi, databases, and personal interests

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Archive for the ‘PlantUML’ Category

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PlantUML Pleasantness: Change Line Style And Color – Messages from mrhaki

Posted by jpluimers on 2019/06/24

Learned a new thing today: you can change the line styles in PlantUML to these:

  • plain
  • dotted
  • dashed
  • bold

This in addition to the colour I already knew about. The order of these does not matter:

@startuml
 
' Make a dashed line, alternative syntax for ..>
(*) -[dashed]-> "Write outline"
 
' Make line bold and use color name
"Write outline" -[bold,#green]-> "Find example"
 
' Only change the color with hexadecimal RGB code
"Find example" -[#ff00ff]-> "Write blog"
 
' Order of line style and color can be reversed
"Write blog" -[#6666ff,dashed]-> "Publish"
 
' Use dotted line style
"Publish" -[dotted]-> (*)
 
@enduml

Source: [WayBack] PlantUML Pleasantness: Change Line Style And Color – Messages from mrhaki

–jeroen

Posted in Development, PlantUML, Power User, Software Development, UML | Leave a Comment »

Is it possible to comment out lines of diagram syntax? – PlantUML Q&A

Posted by jpluimers on 2019/06/21

I like PlantUML a lot as it is an easy way to create even simple diagrams using plain text, for instance a simple Sequence Diagram like below.

Sometimes, you want to add comments because the way you build the diagram needs explanation that is not needed in the diagram itself. You can:

[Archive.is] Is it possible to comment out lines of diagram syntax? – PlantUML Q&A:

You can use quote like in the following example

@startuml
' This is a comment on a single line
Bob->Alice : hello
/' You quote by using slash-and-quote
to split your comments on several
lines '/
@enduml

[Archive.is] Sequence Diagram syntax and features

–jeroen

Posted in Development, PlantUML, Power User, Software Development, UML | Leave a Comment »

Atom, plantuml-preview, homebrew and messages about plantuml being too old

Posted by jpluimers on 2019/03/07

If you get a message like this in Atom when using plantuml-preview:

then you need to change the PlantUML Jar setting from your old version (in my case /usr/local/Cellar/plantuml/1.2017.13/libexec/plantuml.jar:

Then you have to save your .plantuml file so the preview re-renders.

This finds the homebrew installed PlantUML versions:

$ find /usr/local/Cellar/plantuml | grep plantuml.jar
/usr/local/Cellar/plantuml/1.2017.13/libexec/plantuml.jar
/usr/local/Cellar/plantuml/1.2017.14/libexec/plantuml.jar

–jeroen

Posted in Development, PlantUML, Software Development, UML | Leave a Comment »

git – How to integrate UML diagrams into GitLab or GitHub – Stack Overflow

Posted by jpluimers on 2018/12/05

Interesting solution: [WayBack] git – How to integrate UML diagrams into GitLab or GitHub – Stack Overflow

Posted in Development, PlantUML, Software Development, UML | Leave a Comment »

Why I like PlantUML

Posted by jpluimers on 2018/06/13

Ever since I started using computers, I’ve liked text based solutions.

It’s one of the reasons I like PlantUML, but there are more. This is from a GitLab.com request I did a while ago: [WayBack] Please enable PlantUML rendering on gitlab.com both for standalone plantuml files and inside markdown plantuml code blocks (#2041) · Issues · GitLab.com / GitLab.com Support Tracker · GitLab

one of my UML gripes from the past (I’ve been a software developer for about 30 years now) was that it wasn’t text based.

After bumping into PlantUML a long time ago in 2014 I’ve become a happy user of it for a few reasons:

  • the language is text based (with many benefits I don’t need to explain)
  • the tool is cross platform
  • the tool is still actively developed all the way back from 2009
  • after rendering, the arranging of elements is much better than I expected from an automated tool

Of course every now and then there is a glitch in complex diagrams, but I’ve found that professional tools:

  1. don’t do much better in fully-automated arranging
  2. become very cumbersome to use when you to manual arrangement

My first use initially was online, then in 2016 installed it on my Mac even submitting homebrew updates for it every now and then.

Oh: I love their 404 humour at http://www.plantuml.com/plantuml/beta

Renderings can be in all sorts of graphics and text formats, for instance SVG, PNG, ASCII and Unicode.

Example:

plantuml -tsvg PSO.network-diagram.PlantUML.txt

–jeroen

via:

related:

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Posted in Development, Fun, PlantUML, Software Development, UML | Leave a Comment »

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