SysML 1.7 RTF Avatar
  1. OMG Issue

SYSML17 — 'Figure 15-7: Example of flow allocation from ObjectNode to FlowProperty' does not allocate to a FlowProperty and multiple other minor issues

  • Key: SYSML17-356
  • Status: open  
  • Source: Webel IT Australia ( Dr. Darren Kelly)
  • Summary:

    In SysML-1.6 p.179: Figure 15-7: Example of flow allocation from ObjectNode to FlowProperty

    The diagram does not show any allocation to a FlowProperty.


    • It does not show the allocatedFrom for 'Action2' on Block7
    • It does not make sense naming the BDD 'Block0' if that block is not shown in the diagram

    There are allocations from Actions (usage level) to Blocks (definition level); whether that is an error is a matter of opinion, as it would seem SysML permits it. I suggest, however, that the spec figures completely avoid such "cross-level" allocations in the spec figures.

    May I once again suggest (plead, beg) diagram submitters to not (never ever again) use the infamous "elided Pin notation" for ObjectNode anywhere in the spec, as it is widely misunderstood and the tool support for it is poor (broken).

    An example diagram in the MagicDraw tool including explicit Pins is included. The naming conventions is different from the spec figures.

  • Reported: SysML 1.6 — Wed, 1 Jul 2020 11:20 GMT
  • Updated: Thu, 2 Jul 2020 12:57 GMT