Copyright © 2015, 2012, 2009 Elsevier Inc. All rights reserved. FRIEDENTHAL-9780128002025 A Practical Guide to SysML The Systems Modeling Language Third edition Copyright © 2015, 2012, 2009 Elsevier Inc. All rights reserved.

Copyright © 2015, 2012, 2009 Elsevier Inc. All rights reserved. CH12 - MODELING FUNCTIONALITY WITH USE CASES Copyright © 2015, 2012, 2009 Elsevier Inc. All rights reserved.

Copyright © 2015, 2012, 2009 Elsevier Inc. All rights reserved. FIGURE 12.1 Example use case diagram. Copyright © 2015, 2012, 2009 Elsevier Inc. All rights reserved.

Copyright © 2015, 2012, 2009 Elsevier Inc. All rights reserved. FIGURE 12.2 Representing actors and their interrelationships on a use case diagram. Copyright © 2015, 2012, 2009 Elsevier Inc. All rights reserved.

Copyright © 2015, 2012, 2009 Elsevier Inc. All rights reserved. FIGURE 12.3 A use case and the actors that participate in it. Copyright © 2015, 2012, 2009 Elsevier Inc. All rights reserved.

Copyright © 2015, 2012, 2009 Elsevier Inc. All rights reserved. FIGURE 12.4 A set of use cases for the Surveillance System. Copyright © 2015, 2012, 2009 Elsevier Inc. All rights reserved.

Copyright © 2015, 2012, 2009 Elsevier Inc. All rights reserved. FIGURE 12.5 Context for use case scenarios. Copyright © 2015, 2012, 2009 Elsevier Inc. All rights reserved.

Copyright © 2015, 2012, 2009 Elsevier Inc. All rights reserved. FIGURE 12.6 Scenario for a use case described by a sequence diagram. Copyright © 2015, 2012, 2009 Elsevier Inc. All rights reserved.

Copyright © 2015, 2012, 2009 Elsevier Inc. All rights reserved. FIGURE 12.7 Using an activity to describe a scenario. Copyright © 2015, 2012, 2009 Elsevier Inc. All rights reserved.

Copyright © 2015, 2012, 2009 Elsevier Inc. All rights reserved. FIGURE 12.8 Using a state machine to describe the Manually Monitor Environment use case. Copyright © 2015, 2012, 2009 Elsevier Inc. All rights reserved.