Mark Willis wrote: > > As I've been in the aerospace biz, and know that G-force sensors are > relatively cheap nowadays (used for Automobile Airbags, for one thing, > so they're a mass market item not a custom sensor anymore, thus a lot > cheaper) so a thought comes to mind; Partially from Steve Mann's & > other folks' posts. (I haven't lived with a HUD yet, but this is an > intriguing thought to me...) > > <Warning, TechSpeak follows> > > The thought of having my Linux system watch a 3-axis accelerometer and > shift to lower heads-up display resolution automagically when I am in > motion, then shift back up to higher resolution when I am at relative > rest for over 30 seconds, has come to me. (Place the sensors in the > belt or on the vest, not on my heads-up display, BTW, so this can work > right!) This way, if I am walking, the display resolution can go down > to 60 or 40 characters & to "essential information only" mode; If I sit > down to do some text editing (coding, look at my schedule, whatever) I > have high resolution. A simple asymmetrical digital low-pass filter > could be used to change the X, Y, Z inputs (read peak values, 4 times a > second or so?) then square & sum them into a gate value to determine > whether I am "moving" enough or not (I'd want 3-4 seconds of movement > before a shift down, and 30 seconds or so of stopping before a shift up > in resolution when I stopped; I imagine the resolution shifts could be > distracting if they happened more often! But maybe do a quicker shift > up in resolution, if I'd only moved for less than 15 seconds, so if I > answer the telephone here I can get it & be in high-res mode.) > > <TechSpeak ends> <Friendly criticism and mocking your idea begins> It doesn't sound too undoable, but ctrl-alt-+/- is pretty easy to type to change resolutions if your are running X. If you are in text mode, I don't think changing columns is very easy to do, and may not be possible without some serious kernel hacking. Although I remember some sort of display program that lets you switch text modes. There's also the problem of what happens when you are riding a moving object, like an escalator or a train? wouldn't it think you were moving really fast and switch to an undesireable mode? <Friendly criticism and mocking your idea ends> -Paul -- R. Paul McCarty / DARS Coordinator // x52059 317 Lattimore Hall, University of Rochester, Rochester, NY 14627 Computers don't make errors; what they do, they do on purpose.-Dale/KOTH
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