The Digital Pioneer wrote:
It's tough to say until someone tries it. I don't have the GUI expertise
to do anything of the sort, but I'd love to see someone try it.
Testing is easy - no expertice needed.
Edit /etc/X11/Xserver
You'll find the parameter list for the xserver under a GTA02 (or
You saw this, didn't you:
http://lists.openmoko.org/pipermail/community/2009-March/044481.html
r
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That's an excellent point, Helge. I just tried it, and it works quite well.
The cursor doesn't go exactly to the midpoint, but I would say it's
definitely usable data. It moves almost exactly as expected.
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This has been discussed multiple times since last ~15months.
The basic assumption a middle-point when touching with 2 fingers might be
anyway exactly in the middle is incorrect. It depends on pressure of each
touchpoint.
There have been many different opinions about feasibility of this approach,
It's tough to say until someone tries it. I don't have the GUI expertise to
do anything of the sort, but I'd love to see someone try it.
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--- On Tue, 3/24/09, Joerg Reisenweber jo...@openmoko.org wrote:
This has been discussed multiple times since last ~15months.
The basic assumption a middle-point when
touching with 2 fingers might be
anyway exactly in the middle is incorrect. It depends on
pressure of each
touchpoint.
Stefan Monnier wrote:
FWIW, there's another source of info that might be used: jitter.
When you have two fingers pressed, not only the reported position is
more-or-less the middle point, but it's also jittery.
So you could detect such jitter as a tell-tale of multitouch and then
use the
Unfortunately, the jitter has many interpretations.
* The user is moving the fingers apart
* The user is moving the fingers together
* The user holds the finger still, but pressure varies
I think the jitter you should see with multitouch should be quite
different from finger moves: much
Hi All,
I've been cherishing the idea for a while but got no spare time to even
code a proof of concept. so I decided to share it with you so someone
could do that for the common advantage ;)
Indeed we can't register both touches -- as a result hardware returns
midpoint. BUT what if
you touch
I have wondered if this was possible before, and I don't see why it can't be
implemented, but it is limited as the only motion it could really detect (I
would think) is moving the fingers closer or further, and if you move both
fingers apart at the same rate, the midpoint doesn't move, so you have
you can do rotation as well -- just a little bit of 'logic' to decide
either it is a linear or circular motion (of 2nd finger in respect to
the 1st one)
On Thu, 19 Mar 2009, The Digital Pioneer wrote:
I have wondered if this was possible before, and I don't see why it
can't be
Ahh, right, of course. You just have to remember to keep one finger still.
:)
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that is why may be 2nd way (raising 1st finger up after 2nd reached the
screen, so there are 2 jumps in coordinates: d/2, and d/2 in a single
direction) might be preferable way -- then you drive your 'multitouch'
mode with any gesture you like while assuming that 'other' finger is
still in the
FWIW, there's another source of info that might be used: jitter.
When you have two fingers pressed, not only the reported position is
more-or-less the middle point, but it's also jittery.
So you could detect such jitter as a tell-tale of multitouch and then
use the jitter itself (orientation and
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