Human Factors Guidelines in Computer Graphics: A Case Study

Article Abstract:

Guidelines on relevant human factor considerations for use in designing computer graphics systems are presented. Computer graphics refers to information which is communicated using a graphic display. It can range from graphs and tables to animation. There are three categories of computer graphic applications: static data presentation, dynamic data presentation and interactive graphics. Six principal system components are examined: graphics display (color CRT monitor); man-computer dialog used for interactive communication (menu selection dialog); graphics tablet; alphanumeric keyboard for inputing data; and the workspace within which the above are located. These guidelines will be necessary as computer graphic systems are used more and more often.

Ergonomics, Keyboards (Computers), Workstations, Human Factors, Keyboard, User-Friendliness, Displays

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Whither Device Independence in Interactive Graphics?

Article Abstract:

One goal of interactive languages is to provide for I-O device independence. Present methods to obtain device independence do not allow for the possibilities of new devices brought about by new technological advances. A new method, input-output tools (IOT), which uses three-level software is proposed. The first layer is roughly equivalent to present device indepenedence approaches, the second is a simulation layer which is user accessible and written in a high level language. The third layer is for the basic device driver. With the three layer approach, portability is maintained, and new devices can be introduced.

Interface, Future Technologies, Simulation, Software architectures, Software Migration, Device Independence, Software Architecture, Device Handling, I/O Management, I/O management (Computers)

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Tools and Techniques for the Monitoring of Interactive Graphics Dialogues

Article Abstract:

The increase in the use of personal computers has highlighted the need for interactive graphics dialog systems. A model of an interactive dialog system has been developed which includes a monitor for evaluation of the interaction. Techniques for user- adaptive dialog monitoring are discussed. Dialog authors can use the monitor to improve the system's behavior. The results of the Seillac II Workshop of 1979 were used in developing the model.

Graphics software, Personal Computers, Models

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