Path: utzoo!utgpu!news-server.csri.toronto.edu!rpi!dali.cs.montana.edu!milton!hlab From: schaub4@urz.unibas.ch Newsgroups: sci.virtual-worlds Subject: Re: HELP YAW PITCH ROLL Clarification Message-ID: <1991May22.151827.1575@urz.unibas.ch> Date: 22 May 91 14:18:27 GMT References: <1991May19.175127.1567@urz.unibas.ch> Sender: hlab@milton.u.washington.edu (Human Int. Technology Lab) Organization: University of Basel, Switzerland Lines: 26 Approved: cyberoid@milton.u.washington.edu In article <1991May19.175127.1567@urz.unibas.ch>, schaub4@urz.unibas.ch writes: > > Help please! > I am trying to a build a prototype for my concept of an alternative 3D input > device. Could anyone help me finding the cheapest way of getting info > about the three angular positions (yaw, pitch, roll) of an object around 60 > times each second? It seems that I have left out an important point in my question: the inputdevice will be handheld and will not rest on a surface. The biggest problem I have to solve is to find a way of measuring rotations around the vertical axis (the magnetic field of the earth would perhaps be to difficult to measure quickly and accurately). > It seems that I could use the Isotraksystem, but it > might be to costly for my productidea and some kind of overkill, since I > would not need the X Y Z coordinates. > Please excuse my untechnical way of putting my question; I am an > industrial designer and quite a way of my professional background in this > field. A reply to > schaub4@urz.unibas.ch > would make me very happy. If there should be enough info coming in, I will > post a summary. > Thank you > Mischa Schaub