Re: How to move down call action in seq. diagram?

arjan wrote:
> Hi,
>
> (:::)
> I have a couple of questions:
>
> Why does a life line disappear, and why is its length so large?
Which lifeline do you say has disappeared? (See attached screen shot of 
ArgoUML0.26 with your project open and zoomed out: 
test-large-lifeline-zoomed-out-screen-shot.png.) There are several which 
are big, but, this is not so annoying.
> How do I limit the size of such a disappeared life line? This is 
> especially annoying when exporting the diagram as a picture.
I think it isn't possible to limit the size of a lifeline. The 
Classifier Roles that exhibit the behavior of having the life line very 
large are the initiators of interactions - meaning, no other calls then 
before they start calling others. I had this problem also and it is 
simply a matter of cutting the bottom of the exported figure. Please see 
some figures I created from exported diagrams for the ArgoUML 
documentation here:

http://argouml-stats.tigris.org/documentation/defaulthtml/cookbook/ch05s07.html

> How am I supposed to use the broom tool?
>
In the context of this diagram I wouldn't use it for anything. For 
horizontally placing the Classifier Roles, simply select and move left 
and right.

> With the major one being:
>
> How do I move down a call action?
>
> In case it me be helpful, I attached the example project that 
> demonstrates the problem. In the example its about call X and Y. Y 
> needs to be moved down, but the tool simply doesn't let me. It seems a 
> very basic operation to me.  I'm aware that I maybe misused ArgoUML. 
> For years I've been searching for documentation on how to properly 
> create a sequence diagram in ArgoUML, but the documentation always 
> says that it still has to be written. Googling also doesn't help. Is 
> there any documentation on how to create sequence diagrams properly 
> anywhere?

The is the "Add Vertical Space to Diagram" button, next to the "New 
Destroy Action" button (a+) lets you add vertical space, meaning that 
you will move Y and the subsequent calls in the diagram down. Press this 
button, then click and drag down without releasing (a line is drawn), 
then release the mouse and then click release anywhere in the diagram. 
This will add some space.

I attached your project modified, so that Y is moved down a bit 
(test-y-moved-down.zargo).

I think that there is no way to move the specific Y arrow bellow X... 
This means that you can get Y down, but, X moves also down with Y, being 
always bellow Y.

Hope this helps,

Luis Sergio Oliveira

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