CumInCAD is a Cumulative Index about publications in Computer Aided Architectural Design
supported by the sibling associations ACADIA, CAADRIA, eCAADe, SIGraDi, ASCAAD and CAAD futures

id ijac20064102
authors Lee, Jackie Chia-Hsun; Hu, Yuchang; Selker, Ted
year 2006
title iSphere:A free-hand 3D modeling interface
source International Journal of Architectural Computing vol. 4 - no. 1, 19-31
summary Making 3D models should be an easy and intuitive task like free-hand sketching. This paper presents iSphere, a 24 degree of freedom 3D input device. iSphere is a dodecahedron embedded with 12 capacitive sensors for pulling-out and pressing-in manipulation on 12 control points of 3D geometries. It exhibits a conceptual 3D modeling approach for saving mental loads of low-level commands. Using analog inputs of 3D manipulation, designers are able to have high-level modeling concepts like pushing or pulling 3D surfaces. Our experiment shows that iSphere saved steps in the selection of control points in the review of menus and leading to a clearer focus on what to build instead of how to build it. Novices saved significant time learning 3D manipulation by using iSphere to making conceptual models. However, one tradeoff of the iSphere is its lack of fidelity in its analog input mechanism.
keywords 3D Input Device; Proximity Sensing; Parametric Modeling; Human-Computer Interaction
series journal
email jackylee@media.mit.edu
more http://www.ingentaconnect.com/content/mscp/ijac/2006/00000004/00000001/art00003
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