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J Res Natl Inst Stand Technol. 2004 Apr 1;109(2):279-90. doi: 10.6028/jres.109.018. Print 2004 Mar-Apr.

Software Architecture for a Virtual Environment for Nano Scale Assembly (VENSA).

Author information

1
Gwangju Institute of Science and Technology, 1 Oryong-dong, Buk-gu, Gwangju, 500-712, Korea.
2
National Institute of Standards and Technology, Gaithersburg, MD 20899-8263.

Abstract

A Virtual Environment (VE) uses multiple computer-generated media to let a user experience situations that are temporally and spatially prohibiting. The information flow between the user and the VE is bidirectional and the user can influence the environment. The software development of a VE requires orchestrating multiple peripherals and computers in a synchronized way in real time. Although a multitude of useful software components for VEs exists, many of these are packaged within a complex framework and can not be used separately. In this paper, an architecture is presented which is designed to let multiple frameworks work together while being shielded from the application program. This architecture, which is called the Virtual Environment for Nano Scale Assembly (VENSA), has been constructed for interfacing with an optical tweezers instrument for nanotechnology development. However, this approach can be generalized for most virtual environments. Through the use of VENSA, the programmer can rely on existing solutions and concentrate more on the application software design.

KEYWORDS:

VENSA; nanoscale assembly; software architecture; software reuse; virtual reality

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