From poup@mic.atr.co.jp Fri Oct 9 03:46:23 1998 Received: from burdell.cc.gatech.edu (root@burdell.cc.gatech.edu [130.207.3.207]) by lennon.cc.gatech.edu (8.9.1/8.9.1) with ESMTP id DAA12890 for ; Fri, 9 Oct 1998 03:46:20 -0400 (EDT) Received: from wheaten.hitl.washington.edu (IDENT:JVXggteGrg2b+rnQOqNz9xxuyhdYT5Ck@wheaten.hitl.washington.edu [128.95.73.60]) by burdell.cc.gatech.edu (8.9.1/8.9.1) with ESMTP id DAA20451 for ; Fri, 9 Oct 1998 03:48:41 -0400 (EDT) Received: from mailhost.mic.atr.co.jp (mic.atr.co.jp [133.186.20.201]) by wheaten.hitl.washington.edu (8.8.8/8.6.12) with ESMTP id AAA02018 for <3d-ui@hitl.washington.edu>; Fri, 9 Oct 1998 00:48:23 PDT Received: from pop.mic.atr.co.jp by mailhost.mic.atr.co.jp (8.9.1+3.1W/3.7W) id QAA22337; Fri, 9 Oct 1998 16:46:35 +0900 (JST) Received: from mic.atr.co.jp by pop.mic.atr.co.jp (8.8.8+2.7Wbeta7/3.6W04/07/98) id QAA08015; Fri, 9 Oct 1998 16:46:35 +0900 (JST) Message-ID: <361DBEED.63247F1F@mic.atr.co.jp> Date: Fri, 09 Oct 1998 16:44:45 +0900 From: Ivan Poupyrev Organization: ATR International X-Mailer: Mozilla 4.05 [en] (Win95; I) MIME-Version: 1.0 To: Mike Rorke , 3d-ui@hitl.washington.edu Subject: Re: Actions in VR References: <19981009065556.21111.qmail@omega.ru.ac.za> Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Status: RO > Another topic that I would like to hear peoples feelings on is what > actions a user needs to perform in a virtual environment. Do you think > that it is possible to isolate a small number of distinct actions which > will satisfy all (or most) VR applications? If so, what are they? This is a Holy Grail of virtual reality! :-) > I currently have a list of 5 that I feel satisfy most applications. > These > deal only with interaction between the user and the environment: > > Grab - attatch to and manipulate an object > Drop > Point - select an object e.g. using ray-casting techniques > UnPoint > Press - currently used to activate virtual menus May be navigation? It is not strictly interaction between user and environment, on the other hand the user is also part of VE. You then can consider of navigation as interaction between the real user and his/her virtual representation within environment. Ivan -- Ivan Poupyrev [poup@mic.atr.co.jp/poup@hitl.washington.edu] Researcher, MIC Labs, ATR International, Japan 0774-951432] Ph. D. Candidate, ISL, Hiroshima University, Japan 0824-212959] Visiting Scientist, HITL, University of Washington, US 206-6161474] http://www.hitl.washington.edu/people/poup]