Development and Evaluation of a Terrain Representation System for Highway Route Planning
نویسندگان
چکیده
In recent years, mixed or/and augmented reality,which aims to integrate virtual space with real space have be received a significant amount of attention in research and development. In particular, tangible interface is one of the interesting research growth areas. The hypothesis of this research project is that the introduction of a tangible interface should assist designers and planners to recognise the 3-D feature of the terrain and therefore a more efficient highway route planning and construction can be developed. In this context, the objective is to develop and evaluate a tangible terrain representation system (TTRS). The TTRS can represent a terrain surface by controlling the shape of a stretchable screen used to represent the terrain surface by means of a total of 64 actuators (8×8) and projecting an aerial photograph onto the screen. Applying the TTRS to highway planning, a highway alignment is determined by control points which are positioned by a magnetic position device. As a highway planner set the control point of a highway alignment on the TTRS, the image of a highway alignment is projected on the TTRS. The TTRS was evaluated against VR-based visual 3D representation using a group of 9 final year graduate students. A well defined evaluation measures of usability was developed and used in the process. The paper concluded that TTRS is very effective tools for design and construction of highway projects.
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