- From: Steve Block <steveblock@google.com>
- Date: Thu, 10 Jan 2013 08:44:39 +1100
- To: John Rusnak <jrusnak69@gmail.com>
- Cc: public-geolocation <public-geolocation@w3.org>
Hi John, Thanks for the comment, but I think the text is correct. Note that the rotation is clockwise when viewed 'along the positive direction of the axis', not _from_ the positive end (and thus along the negative direction). http://en.wikipedia.org/wiki/Right-hand_rule#Direction_associated_with_a_rotation Steve Block Google Australia On 9 January 2013 16:36, John Rusnak <jrusnak69@gmail.com> wrote: > Hello, > > I work for a sensor company that does quite a deal of working implementing > filters and estimation methods in production of device orientation/attitude. > I was reading through the W3C HTML5 spec on device orientation and believe > there is an error in the document. The statement > > "Rotations must use the right-hand convention, such that positive rotation > around an axis is clockwise when viewed along the positive direction of the > axis. " > > The statement seems correct if "clockwise" is replaced with > "counter-clockwise" > > -John Rusnak > Sensor Platforms > john.rusnak@sensorplatforms.com
Received on Wednesday, 9 January 2013 21:45:06 UTC