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After you read this chapter you should be able to: Discuss the special information requirements of an enterprise-sized corporation; identify information systems and software used in the functional units of an enterprise; describe and list general purpose and integrated information systems used throughout an enterprise;. | Computer Graphics Lecture 27 Fasih ur Rehman Last Class Examples of 2D transformations Today’s Agenda Graphical User Interfaces The User Interface (UI) First impression is the last impression A program may be judged by UI rather than its functionality A poor interface may cause user to make errors A poor UI may be a hurdle in making people us Graphical User Interface (GUI) Most of the system whether business or engineering are available with Graphical User Interfaces (GUI) thus enabling users to interact with there systems through graphical interfaces Attributes of GUI Windows Multiple windows enable variety of information to be prompted on the user’s screen at the same time. Icons may represent files or processes Menus Command selection possible from a menu instead of typing Pointing Device Mouse may be used for selecting choices from a menu Graphics Text and Graphical element can be mixed Advantages Simple to use Easy to learn Maneuvering within the program and other applications . | Computer Graphics Lecture 27 Fasih ur Rehman Last Class Examples of 2D transformations Today’s Agenda Graphical User Interfaces The User Interface (UI) First impression is the last impression A program may be judged by UI rather than its functionality A poor interface may cause user to make errors A poor UI may be a hurdle in making people us Graphical User Interface (GUI) Most of the system whether business or engineering are available with Graphical User Interfaces (GUI) thus enabling users to interact with there systems through graphical interfaces Attributes of GUI Windows Multiple windows enable variety of information to be prompted on the user’s screen at the same time. Icons may represent files or processes Menus Command selection possible from a menu instead of typing Pointing Device Mouse may be used for selecting choices from a menu Graphics Text and Graphical element can be mixed Advantages Simple to use Easy to learn Maneuvering within the program and other applications possible (quick switching) Full screen is available to be accessed immediately (Fast) Design Process Design requirements and view from the user (user centered design) Analyses and understanding of user activities Design prototype (paper based) Evaluated by end user (modify if required) Design prototype Evaluated by end user (modify if required) Produce dynamic design prototype Evaluated by end user (modify if required) Executable prototype Evaluated by end user (modify if required) Design Flow Design Principles Experience and capabilities and needs of the system users must be taken into account during design process of UI Designers should be aware of people’s physical and mental limitations and should be convinced that people make mistakes Summary GUI Attributes Windows, icons, menus, pointing devices, graphics Advantages Design Process and flow References Fundamentals of Computer Graphics Third Edition by Peter Shirley and Steve Marschner Interactive Computer Graphics, A Top-down .
