J. Mark Pullen
ABSTRACT
Previous ITiCSE papers have reported on Network EducationWare (NEW), an open source software system that supports synchronous and asynchronous distance education easily and inexpensively via the Internet. This paper reports on an innovative capability recently added to NEW that enables simultaneous execution of applications on all participating computers in both Windows and Linux systems, and explains how we have used this capability to teach a course in Computer Graphics online. Teaching graphics in this way previously was impossible because transmitting the visual output of graphics programs in real time with good quality is too demanding for normal Internet connections. This problem was solved by using the NEW application launcher to invoke Java classes, provided by the instructor, on all student computers simultaneously. The capability works with modest Internet capacity and also is captured in recorded sessions for asynchronous use. We explain how the NEW capability works and describe its use in online teaching of Computer Graphics.
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Index Terms
- Distributed application launching for high quality graphics in synchronous distance education
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