wad at laptop.org
Tue Jun 8 22:01:40 EDT 2010
On Jun 8, 2010, at 2:28 PM, C. Scott Ananian wrote:
> On Tue, Jun 8, 2010 at 9:23 AM, John Watlington <wad at laptop.org> 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.
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...
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