3 level of mm.sd

UML text editor & user manual Dec2007

#!>>
#!This sequence diagram demonstrates the use of levels and mnemonics.
#!
#!<<
o:Object
p:Object
q:Object

o:p.activate
p:p.self-message
p:q.activate
q:q.self-message
q:q.another self-message
# Use q[2] as sender, so send back 2 messages implicitly before
q[2]:p.call back from q[2]
p[2]:p.yet another self-message from p[2]
p[1]:o.call back from p[1]

[c The same as above, but with mnemonics]
o[1]:p[p0].activate
p:p.self-message
p:q[q0].activate
q:q.self-message
q:q.another self-message
q[q0]:p.call back from q[q0]
p[p0]:p.yet another self-message from p[p0]
p[p0]:o.call back from p[p0]
[/c]