Drag and drop the Alert System actor into the context diagram (Figure 6-35).

Repeat these steps for the Local Forecaster and Online User actors.

Figure 6-35 Drag an actor into the context diagram

￿Create associations between the actors and the Weather Tracking System:

In the context diagram hover over the Online User actor.

Grab the handle and drag it on top of the Weather Tracking System class.

Drop it on the class and select Create Bidirectional Association from the pop-up dialog.

Perform the steps also for the Alert System and the Local Forecaster actors (Figure 6-36).

Figure 6-36 Context diagram: Weather Tracking System with actors

Chapter 6. Tool support for MDSD 123

Page 139
Image 139
IBM SG24-7368-00 manual Drag an actor into the context diagram