How to use direction: right and down simultaneously

[ilyjs]

My code:

#direction: right
#import: sample-style.nomnoml
#fill: #fdf6e3

[<actor> client]-/-[<package>server]
[<package>server] -/-[<database> DB]
[<start> one] --> [<end> two ]
[<start> one1] <-- [<end> two1 ]
[<hidden> one2] -/- [<start> two2]
[<start> two2] --> [<end> tree]
[<hidden> one3] -/- [<start> two3]
[<start> two3] --> [<end> tree1]
[<start> one4] <-- [<end> two4 ]

This result :

I need :

[skanaar]

This is unfortunately not supported.

There were plans to support sequence diagrams in nomnoml as well (which is what you are drawing) but it was never implemented as there are powerful alternatives out on the web that implement these.