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Primary Actor: Crewmember
Stakeholders & Interests: 

Brief Description: A crewmember wants to view the data from the sensors in a graph, to do this they place their desired graph in their tab.

Preconditions: A crewmember has logged in to the web application
Postconditions: The crewmember can see the newly placed graphs.
Main success scenario (basic flow): 
Actor ActionSystem Responsibility

1. The crewmember adds a new graph to his tab.


3. The crewmember selects the desired sensor to add a graph from.


5. The crewmember selects the desired type of graph to add to the tab


2. System shows all sensors to choose a graph from.


4. System shows all graphs that are included in the current selection.


6. System adds the graph to the tab.

Extensions (alternative flow):

2a. There are no sensors available in the database.
      end of usecase.

4a. There are no graphs available that are linked with the shown sensors.
      end of usecase.


System sequence diagram

Image RemovedImage Added

Remove Graph

Fully dressed description

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