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Supporting Object Oriented Modeling Techniques
Abstract
This chapter focuses on exploring the capability of the CAME environment, to support a problem area that requires a design approach that uses the modeling techniques of an object oriented method. The problem presented lies in the design and development of a computerized automobile map system using the modeling techniques prescribed by the OMT method (Rumbaugh et al., 1990). As this problem area requires an object modeling technique, the need to advocate UML was not necessary. The case study is concerned with the introduction of computerized display systems in automobiles, and one of the potential applications for these systems is automated map display. The map system should provide access to a collection of maps for a region. Within this region, the maps should show cities, towns, and the routes between them. The maps should also display restaurants, hotels, and other points of interest to travelers. Within large cities, enough roads will be shown to give an efficient route between any two points. The system should automate as much of the access and displaying of the maps as possible. Simple function buttons will be provided to allow the user to zoom in or out, or pan across the map in any direction. The system should control display clutter automatically by showing only the most important features at the selected zoom level. In the default mode, a region surrounding the cars’ current position will be shown, and the display should scroll automatically to reveal new map features as the car moves. The automobile’s position will be determined using a global positioning device that computes position based on satellite signals. The above outlines the functionality required from a computerized automobile map system.
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