Can I not put the title at the bottom in a diagram?

Question

I do not see anyway of aligning or styling the diagram title. Am I missing something?

Answer 1

Option are indeed limited with title.

WIth legends, you can have:

@startuml
legend bottom center
Foo
end legend
alice->bob : ok
@enduml

You can use bottom/top/left/right/center

Would you like to have the same options for titles ?

Comments

Yes. I think we should have a minimum of "Top" and "Bottom" aligned center for the title. The usual paradigm when we are embedding the diagrams in documents or papers is to have a title at the bottom like, "Fig 1.1: The class diagram".  Title positioning options would really help there.

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Changing the default dehaviour for "title" is annoying because it will change existing diagrams.
We are thinking about adding a new keyword "caption" that will do the same as title, except that it will be printed at bottom.
Will this be ok for you ?

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Sure. That should do it.

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With last beta https://dl.dropboxusercontent.com/u/13064071/plantuml.jar
You can have:

@startuml
skinParam CaptionFontSize 10
skinParam CaptionFontColor blue
class AA
caption This is caption
@enduml

The default font size is 14 (default for title is 16, but it looks too much for caption). Do you agree ?

Few tests have been done, so feedback is welcome.

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I just tried it. That works really great. Thank you.

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The beta version you gave me here seems to be restricting the image size I can generate. For a big diagram to get the full image I have to decrease the dpi or the image is cropped. Also, if I use 'newpage' the image gets cropped upto that line. Either is a bug or is being restricted.

 Did the 'caption' keyword available in a release version now? Thank you.

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Version 8037 also seems to have the same problem.

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Cropping maybe related to http://plantuml.sourceforge.net/qa/?qa=4145/is-the-png-output-size-limited-to-4096-pixels-only
Could you check that ?

About 'newpage', could you provide a non-working example.
We have tested:

@startuml
caption This is a caption

Bob -> Alice : hello1
Bob -> Alice : hello2
newpage
Bob -> Alice : hello3
Bob -> Alice : hello4
newpage
Bob -> Alice : hello5
Bob -> Alice : hello6

@enduml

And this seems to work fine (to us).

Thanks!

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I use sublime plugin and tried it with version 8024 and 8037. The following:
------------
@startuml

a -> b : check
newpage
b -> c : verify

@enduml
---------------

generates:

a     b     c

check
---------->

a     b     c


Sorry about this ascii image. I don't know how to insert an image into the comments.