Showing something as disabled with e.g. opacity 0.8?

Question

Hi,

Is it somehow possible to show something as disabled by showing it with opacity? E.g. something like ClassOpacity 0.8? Or is it possible to visualize something as removed some other way in a diagram?

Thanks!

Answer 1

Hello A.,

• In which kind of diagram will you use this feature?

For example, you can use opacity, with adding after the Red-Green-Blue value the Alpha or Opacity value [from '00' transparent to 'FF' full opaque color; with no value, the default value is 'FF'], as RGBa or #RRGGBBaa; here is an example for component or deployement, where 'c1-nominal' is normal green and 'c2-backup' or 'c3' are marked disabled with '51' of green opacity:

@startuml
node n #pink {
[c3] #00ff0051
[c2-backup]  as c2 #00ff0051
[c1-nominal] as c1 #00ff00
}
cloud c
c1 --> c
c2 ..>c
@enduml

[See on PlantUML online server]

Enjoy!

This is a new feature of spring 2020 (see V1.2020.12 (6 Jun, 2020)); see also:

• https://forum.plantuml.net/11214/background-color-partial-transparency-opacity-support
• https://forum.plantuml.net/11606/full-opacity-alpha-compositing-support-for-svg-and-png

If that can help,
Regard,
Th.