Re: [pointerevents] tiltX and tiltY aren't as helpful as just having altitude angle (#274) from dfleck via GitHub on 2019-05-10 (public-pointer-events@w3.org from April to June 2019)

From: dfleck via GitHub <sysbot+gh@w3.org>
Date: Fri, 10 May 2019 19:10:07 +0000
To: public-pointer-events@w3.org
Message-ID: <issue_comment.created-491399636-1557515406-sysbot+gh@w3.org>

Actually, users hold the stylus more vertical than 45 degrees. More like 62.4 degrees:
http://www.xiaojunbi.com/pdf/pta.pdf

It’s 76.3 degrees for a left handed person. (XTilt of 13 from vertical - but YTilt is all over the place due to the wide variety of left handed grips).



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Received on Friday, 10 May 2019 19:10:09 UTC