From: Henrik Rydberg <rydberg@euromail.se>
To: jg@laptop.org
Cc: Peter Hutterer <peter.hutterer@who-t.net>,
linux-input@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] input: Add a detailed multi-touch finger data report
Date: Fri, 14 Nov 2008 03:05:51 +0100 [thread overview]
Message-ID: <491CDCFF.5010202@euromail.se> (raw)
In-Reply-To: <1226626758.6651.107.camel@jg-vaio>
>> Right. :-) I believe the ellipse model is adequate, because it is the
>> simplest model that allows for utilization of the orientation of a
>> single finger, for instance to turn a knob. At this point, it seems
>> like tough enough a challenge.
>>
>
> Maybe; but modeling this as a parallelogram or trapezoid may be easier
> to deal with computationally when you stroke a path from the data, to
> which you may have fit a spline....
I believe the word "ellipse" is taken too literally here. Orientation
and eccentricity are two parameters describing a non-circular
object. I does not have to be realized as ellipses on a screen.
next prev parent reply other threads:[~2008-11-14 2:05 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-11-13 14:11 [PATCH] input: Add a detailed multi-touch finger data report Jim Gettys
2008-11-14 0:55 ` Henrik Rydberg
2008-11-14 1:39 ` Jim Gettys
2008-11-14 2:05 ` Henrik Rydberg [this message]
-- strict thread matches above, loose matches on Subject: below --
2008-11-13 14:39 Jim Gettys
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=491CDCFF.5010202@euromail.se \
--to=rydberg@euromail.se \
--cc=jg@laptop.org \
--cc=linux-input@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=peter.hutterer@who-t.net \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.