Fraunhofer use cases for dtwin

@startuml

participant "World Storage"  as WS

participant "Authoring Tool" as AT

' THIS IS FOR SYSTEM A (3D-Reg)

' -------------------------------

WS <- AT: AR17-AddTrackable() - 3D-Registration (System B)

rnote right AT

**Payload**

  Creator UID (not possible, external app)

+ Trackable Type (fiducial)

+ Trackable Encoding Information (Aruco)

+ Trackable Payload (no image saved)

+ Local CRS (to the middle of the workbench)

+ Unit System (mm)

+ Trackable Scale

+ KeyValue Tag List (table-id, end-device)

end rnote

activate WS

WS -> WS : Extract features

alt successful case

rnote right WS

**Payload**

  Unique Identifier

end rnote

WS -> AT: AR17-Trackable unique Identifier

deactivate WS

note right AT

Stores the identifier with the Trackable in the scene graph

end note

else ERROR: Trackable all exceptions

WS -> AT: AR17-Trackable return exception

end

' THIS IS FOR SYSTEM B (Unity)

' -------------------------------

WS <- AT: AR17-AddTrackable() - Unity (System B)

rnote right AT

**Payload**

  Creator UID (Unity Tag)

+ Trackable Type (image)

+ Trackable Encoding Information (Vuforia)

+ Trackable Payload (png image of Vuforia marker, size)

+ Local CRS (to the middle of the workbench)

+ Unit System (meters)

+ Trackable Scale

+ KeyValue Tag List (linked to HoloLens space mapping)

end rnote

activate WS

WS -> WS : Extract features

alt successful case

rnote right WS

**Payload**

  Unique Identifier

end rnote

WS -> AT: AR17-Trackable unique Identifier

deactivate WS

note right AT

Stores the identifier with the Trackable in the scene graph

end note

else ERROR: Trackable all exceptions

WS -> AT: AR17-Trackable return exception

end

rnote left AT

**Registrated Nodes**

  QUESTION:

  Is the 3d-pose (gridshell node) an object-trackable or a world anchor? 

  **Payload**

  Unique Identifier

  + Type = Node

  + CAD-Identifier

  + CAD-Name

  + 3DT Position

  + Bounding Box

  + Ref to Gizmos Objects (position/rotation gizmos)

  + Ref to annonations (info label)

  + Logistic State (intern)

  + Montage Seq

  + Ticket State (public)

end rnote

@enduml

@startuml

'default 

left to right direction

rectangle "Authoring process" {

    usecase "Login" as ucLOG

    usecase "Setup Trackable" as ucST

    usecase "Setup World Anchors" as ucSWA

    usecase "Build AR Scene" as ucBARS

    (ucST) -.> (ucLOG): <<Include>> 

    (ucSWA) -.> (ucLOG): <<Include>> 

    (ucBARS) -.> (ucLOG): <<Include>> 

  }

package Users {

  actor "Trackable Authoring" as TA

  actor "World Anchor Authoring" as WAA 

  actor "AR Scene Authoring" as ASA  

}

package Services {

  actor :Authentication Service: as AuS <<Service>>

  actor :World Storage: as WS <<Service>>

  actor :Asset Preparation: as AP <<Service>>

  actor :Content Hosting: as CH <<Service>>

}

'login

TA ---- (ucLOG)

WAA - (ucLOG)

'setups

TA -- (ucST) 

WAA -- (ucSWA) 

ASA -- (ucBARS)

'services

(ucLOG) ---- AuS

(ucST) -- WS

(ucST) -- AP

(ucSWA) -- WS

(ucSWA) -- AP

(ucBARS) -- CH

(ucBARS) -- WS

(ucBARS) -- AP

@enduml

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# Fraunhofer HHI

This is only for testing!

Should be removed later.

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