MBSE with CORE 100821

Setting the Subject and Add Actors The subject is the Component described by the UseCase and is shown as a label at the top of the use case frame 1. Click the Set Subject toolbar button 2. Select “Geospatial Library”, click Add , and OK The actors at the system level are the external systems we previously defined. Use “Actors” from the toolbox to add these elements. 3. Drag- drop “Actors” on to the diagram 4. Select “Certification Authority”, “Collectors”, and “Customers” from the list, click Add , and OK

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Differentiating Human Actors

Actors can be shown three different ways • stick figure (implies human) • node (implies non-human) • graphical images CORE uses the element type to determine the representation (“Human” drawn as a stick figure, all other types as nodes) To show Customers as a stick figure 1. Select “Customers” 2. Right-click to access the context menu 3. Select “Set Actor Type” 4. Change the type to “Human”

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MBSE with CORE