From: diego@minerva.st.dsi.unimi.it (Diego Montefusco)
Subject: Re: TECH: Polhemus info wanted
Date: Tue, 30 Mar 93 21:08:33 CET


In <9303240946.AA17906@ghost.dsi.unimi.it>, on Mar 24, you wrote:

> From: cdshaw@cs.ualberta.ca (Chris Shaw)
> Subject: Re: TECH: Polhemus info wanted
> Date:   Tue, 23 Mar 1993 09:12:51 -0700
> Organization: University of Alberta, Edmonton, Canada
> 
> 
> 
> girling@cs.sfu.ca (Doug Girling) writes:
> 
> >- Affected by ferous metals and magnetic fields in/near work volume (e.g.
> >  can't use it to digitize a steel casting, or next to a CRT).
> 
> It's not reliable near CRT's but usable for tasks that don't require
> overall tracking accuracy.
> 
> The FasTrak (multi-sensor series) will give you a larger tracking
> range (nominally 10 feet, if I recall correctly), higher accuracy,
> much lower lag, and 120 samples per second (again, if I remember
> right).

It should also be available a device to synch the magnetic pulses of the
sorce with the crt, so you can forget of that, at least...

Diego

    -----------------------------------------------------------------
   | Diego Montefusco |         Computer Science Department          | 
   |     Via Pirano 4 |         University of Milan - Italy          |
   |     20127 Milano |                                              |
   |           Italia |  P L E A S E   R E P L Y   T O   M E   A T : |
   |+39 (0)2 27001467 |         montefus@ghost.dsi.unimi.it          |
    -----------------------------------------------------------------