A system generates weather maps using data collected from unattended weather stations. Each weather station collects meteorological data and produces summaries of the data. On request, it sends the summary information to an area computer. The area computer uses a database of digitised maps to generate a set of local weather maps. Read the case study carefully and answer the following questions: a) Considering the above scenario, discuss and explain a set of use cases that could serve as a basis for understanding the requirements for a Weather Maps system. (10 Marks) b) Based on your experience with a Weather Maps System, draw a Class Diagram that models the data processing involved when a user generates a set of local weather maps. (10 Marks)