Interaction styles in tools for developing virtual environments |
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Authors: | Jesper Kjeldskov Jan Stage |
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Affiliation: | (1) Department of Computer Science, Aalborg University, Aalborg, Denmark |
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Abstract: | This article discusses and compares interaction styles in development tools for virtual environments (VE). The comparison relies on a qualitative empirical study of two development processes where a command language and a direct manipulation based tool were used to develop the same virtual environment application. The command language tool proved very flexible and facilitated an even distribution of effort and progress over time, but debugging and identification of errors was very difficult. Contrasting this, the direct manipulation tool enabled faster implementation of a first prototype but did not facilitate a shorter implementation process as a whole. On the basis of these findings, the strength and weaknesses of direct manipulation for developing virtual environment applications are explored further through a comparison with a successful direct manipulation tool for developing interactive multimedia applications. The comparisons are used to identify and emphasize key requirements for virtual environment development tool interface design. |
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Keywords: | Virtual environments Development tools Interaction styles Empirical study |
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