GEOG 468
GIS Analysis and Design

Lesson 9: Developing Designs


In Lesson 9 we will slow down the pace and volume of material to examine use case modeling as a technique for documenting spatial system requirements. This is an extremely important lesson because no other part of the spatial system design is as difficult as establishing the detailed technical requirements. This lesson is also important because of the growing application of use case modeling, a tool that aids the communication between analysts and users in documenting requirements. We will discuss use-case modeling and the somewhat abstract definitions of actors, associations, and extends, uses, depends on, and inheritance relationships. It is also the first lesson on modeling which serves as a bridge from the earlier lesson on the techniques of systems analysis.

Lesson Learning Objectives:

  • Describe a use-case.
  • Evaluate the benefits of a use-case modeling.
  • Apply use-cases with current spatial system development practices.
  • Apply the tools and techniques to document systems requirements.


If you have any questions now or at any point during this lesson, please feel free to post them to the Threaded Discussion Forum. (That forum can be accessed at any time by clicking on the Communicate tab, above, and then scrolling down to the Discussion Forum section.)