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_id	84e8
authors	Cohen, J.M., Markosian, L., Zeleznik, R.C., Hughes, J.F. and Barzel, R.
year	1999
title	An Interface for Sketching 3D Curves
source	ACM Symposium on Interactive 3D Graphics, pp. 17-22 (April 1999). ACM SIGGRAPH. Edited by Jessica Hodgins and James D. Foley
summary	The ability to specify nonplanar 3D curves is of fundamental importance in 3D modeling and animation systems. Effective techniques for specifying such curves using 2D input devices are desirable, but existing methods typically require the user to edit the curve from several viewpoints. We present a novel method for specifying 3D curves with 2D input from a single viewpoint. The user rst draws the curve as it appears from the current viewpoint, and then draws its shadow on the oor plane. The system correlates the curve with its shadow to compute the curve's 3D shape. This method is more natural than existing methods in that it leverages skills that many artists and designers have developed from work with pencil and paper.
series	other
last changed	2003/04/23 15:14

_id	caadria2006_573
id	caadria2006_573
authors	WEN-YEN TANG, SHENG-KAI TANG
year	2006
title	THE DEVELOPMENT OF A TACTILE MODELING INTERFACE
doi	https://doi.org/10.52842/conf.caadria.2006.x.o8n
source	CAADRIA 2006 [Proceedings of the 11th International Conference on Computer Aided Architectural Design Research in Asia] Kumamoto (Japan) March 30th - April 2nd 2006, 573-575
summary	Recently, more and more researchers dedicated in the development of human computer interaction for CAD systems, such as gestural input of three dimensional coordinates (Lee, Hu, and Selker, 2005), flexible manipulation of NURBS objects (Cohen, Markosian, Zeleznik, Hughes, and Barzel, 1999; Emmerik, 1990), and the creation of force feedback (Wu, 2003). These research results indicated that the more intuitive control the device can provide in modeling process, the more creative solutions can be generated (Lee, Hu, and Selker, 2005; Schweikardt and Gross, 2000; Wu, 2003).
series	CAADRIA
email
last changed	2022/06/07 07:49

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