CASE tools have contributed to model building for representing several aspects of a problem, for converting it in source code of a software piece; however, these tools have limited capacity in the amount of type models they can elaborate. Some years ago researchers have been developing MetaCASE tools, e.g. AToM and DOME. Models in this kind of tools aren’t defined; instead of, models are built ...

This paper presents research on the development of digital collages and investigations into the cognitive efforts of graphic designers. The research venue was an upper level undergraduate course in computer graphics. Work in the course focused on the use of digital imaging software (Adobe Photoshop) and the creation, manipulation, use and understanding of images. Graphic design students manipul...

This paper presents a novel approach to enabling visually impaired users to gain access to bar charts on the Web. Our approach differs from previous work by providing the user with the message and knowledge that one would gain from viewing the graphic rather than providing alternative access to the appearance of the graphic. The user interface to the system is implemented as a browser extension...

The National Institute of Standards and Technology (NIST) has built numerous software toolkits and applications for manipulating STEP and EXPRESS data. These toolkits are traditionally used as compiled libraries which are linked to other compiled modules. This paper describes a binding allowing the toolkit interfaces to be called from interpreted scripts. This significantly reduces the time req...

Ichthyop is a free Java tool designed to study the effects of physical and biological factors on ichthyoplankton dynamics. It incorporates the most important processes involved in fish early life: spawning, movement, growth, mortality and recruitment. The tool uses as input time series of velocity, temperature and salinity fields archived from ROMS or MARS oceanic models. It runs with a user-fr...

We present a simulation software devoted to the practical study of analog signals and systems. The program exhaustively exploits the graphical tools provided by MATLAB to obtain a user-friendly environment. It can be used as a self-instruction teaching material. On the other hand it contains a complete and very large set of graphic exercises that makes it unique. Some examples of the possibilit...

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Software visualization is the use of filmcraft, cartoon animation, and graphic design techniques to display data structures, programs, and algorithms. It has successfully been used in a number of settings to aid expert and novice programmers debug their programs and to teach computer science students about algorithms. In this paper we describe a framework for using software visualization techno...