On Jun 8, 2010, at 2:28 PM, C. Scott Ananian wrote: > On Tue, Jun 8, 2010 at 9:23 AM, John Watlington <[email protected]> wrote: >> An interesting effect I've noticed is that with some touchscreen, you get >> smooth >> lines when moving your finger at a "normal speed", say 8 cm/s, but when you >> slow >> down (1 cm/s) the line wiggles around. > > See http://labs.moto.com/robot_touchscreen_analysis/ > > "Strength" of touch also matters a great deal, and there's quite a bit > of fudging being done in the hardware tracking algorithms.
Great study. What was interesting about that study is that they conflate "strength" with finger size. On a PC touchscreen these might be the same, but it implies that with kids we will universally see the crappy results of "light touch". Time to find a small finger for testing demos... wad _______________________________________________ Devel mailing list [email protected] http://lists.laptop.org/listinfo/devel
