Date: Wed, 21 Nov 2001 13:57:08 -0500 From: "Jeff Pierce" Subject: Re: 2D interfaces in a 3D environment In-reply-to: <3BFBB648.A20CEB59@cs.yorku.ca> Sender: X-Sender: jpierce@ux2.sp.cs.cmu.edu To: "3D UI list" <3d-ui@hitl.washington.edu> Message-id: <4.1.20011121135214.00bc4100@ux2.sp.cs.cmu.edu> MIME-version: 1.0 X-Mailer: QUALCOMM Windows Eudora Pro Version 4.1 Content-type: text/plain; charset=iso-8859-1 Content-transfer-encoding: 7BIT Importance: Normal X-MSMail-Priority: Normal X-MimeOLE: Produced By Microsoft MimeOLE V4.72.3110.3 References: <3BF9D3A2.5E8EA9C@home.com> X-Authentication-warning: torch.hitl.washington.edu: majordom set sender toowner-3dui@hitl.washington.edu using -f X-Priority: 3 (Normal) At 09:12 AM 11/21/01, Wolfgang Stuerzlinger wrote: >Taking this argument one step further one can use what most people percieve >as normal or "common sense" (e.g. that gravity exists :-) and use this to >simplify interactions even further. This improves interaction speed by >a factor of approximately 2.5. See the papers on the MIVE system >on my WWW page. Improves interaction speed for what task? There are some obvious examples (manipulation of objects at a distance, navigating large distances) where using what people perceive as normal (or, more accurately, familiar) is much, much slower than using a "magic" technique. And as a minor point, I can posit