Specify port direction in SysML 1.3

[Janek Jochheim]

Hi,

In SysML 1.2 I was able to use FlowPorts to create a port and define a direction for it. However FlowPorts have been replaced with ProxyPorts and Full Ports (or will be replaced in the near future) but I do not see how these new ports provide this functionality.
 I could create an InterfaceBlock with FlowProperties but I want to assign a direction to my port indepently from the underlying interface.
What is the best way to achieve this in SysML 1.3?

Greetings
Janek

[Tim Weilkiens]

Hi Janek,

 

The direction is part of the interface. If for example the interface block of a port has flow properties all in the same direction a small arrow in the port rectangle can indicate that direction.

 

Best regards,

Tim

 

 

 

Tim Weilkiens (CEO)

oose Innovative Informatik GmbH
Kontorhaus Montblanc, Schulterblatt 36, D-20357 Hamburg, Germany
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CEO Tim Weilkiens
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Internet: www.oose.de, E-Mail: in...@oose.de

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[Simon]

Hi Janek,

here are short instructions how the creation of flow ports is intended
by 1.3.:
* create a new Block b.
* Add FlowProperties to b.
* Specify the direction of each flow property
* set the type of your port to b
* optionally add the full or proxy stereotype

For more details see appendix B.4 of the 1.3. specification.

I am using Papyrus to create SysML models. However, Papyrus does not
fully support the creation of a model described above, i.e. you must use
the model explorer to add a flow property to a block.


Regards,
Simon

[zhou, yi]

Hi Janek,

I am product Astah Sysml product owner.

My Astah supports the specification for port direction.

http://astah.net/editions/sysml/download

However, Some engineers complain that usability is affected by realizing the specification.

Best regards

2013/9/2 Simon <gooo...@web.de>

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[Kritsana U]

Hi Janek,

In SysML v1.3, the direction which shown on the port is actually the combination of the directions of the flow properties owned by the classifier typing the port.

- If the classifier typing the port has no flow properties, there is no arrow on the port symbol.

- If the direction of all flow properties are 'in', the port will have the in-arrow on its symbol.

- If the direction of all flow properties are 'out', the port will have the out-arrow.

- Otherwise, the port will have inout-arrow on its symbol.

(if the isConjugated of the port is true. The arrow will be shown in the reversed direction)

Best regards,

[Janek Jochheim]

Hi,

thank you for your responses. I already figured out that the direction is defined by the flow properties of the interface Block.
The usual workflow for me was to define ports, set their directions and then attach an interface. My question is whether it is possible to define the direction of the port without setting the interface block.

Greetings
Janek

[Vijay Radhakrishnan]

Hi Janek

Am trying to get the same behaviour for a Interface Block with 2 Out Flow properties sitting as a ProxyPort on a Block1 but I dont see any out directions

I am using Enterprise architect 10 

[reference Book : A Practical Guide to SysML] Fig 7.41 Proxy port Direction The Camera Interface example has a “in video : Video Interface“ which receives from Video Interface (video : MPEG4)

Thanks

Vijay 

[Nerijus Jankevicius]

Use MagicDraw.

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[Vijay Radhakrishnan]

any EA users who managed to get this behaviour ?