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Unformatted text preview: 1 This coursework is divided into two parts. First part is design class diagram that clarifies all relevant classes and layers then moving to next diagram which is a sequence diagram for the main use case “Display Reading”. In the end of design part, the state diagram for last use case will be produced. Second Part is writing a report about explaining and justifying the specific design pattern that has been used in this system design as well as showing and describing the layers. 1. The design 1.1. Use case diagram:- There are two actors in this use case as following: 1.1.1. Actor1: User has 3 use cases: 1. Display reading. 2. Calibrating sensors. 3. Time/Date. 1.1.2. Actor2: Sensors have 4 use cases: 1. Primary measurements (Wind Direction, Wind Speed, Temperature, Pressure, Humidity). 2. Derived measurements (Wind Chill, Dew Point, Temperature Trend, Pressure Trend). 3. Report High/Low Values for primary measurements. 4. Display reading. KeyPad Calibrating Sensors Time/Date <<include>> User Derived Weather Measrurements Primary Weather Measurements Display Reading Report High/Low Values For Primary Measurements Sensor 2 1.2. A class diagram: 1....
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- Winter '11