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Re: Uses cases and requirements for Orientation API

From: Andrei Popescu <andreip@google.com>
Date: Wed, 21 Apr 2010 15:23:27 +0100
Message-ID: <m2j708552fb1004210723p51d22260x9fbce7bdb0f263ec@mail.gmail.com>
To: Angel Machín <angel.machin@gmail.com>
Cc: "Thomson, Martin" <Martin.Thomson@andrew.com>, public-geolocation <public-geolocation@w3.org>, Matt Womer <mdw@w3.org>, Lars Erik Bolstad <lbolstad@opera.com>
On Fri, Apr 16, 2010 at 9:40 AM, Andrei Popescu <andreip@google.com> wrote:
>
>
> On Fri, Apr 16, 2010 at 9:04 AM, Angel Machín <angel.machin@gmail.com>
> wrote:
>>
>> > I sent comments in response to your original announcement of the
>> > orientation API spec.  I didn't get any response on these.
>> >
>> >
>> > <http://lists.w3.org/Archives/Public/public-geolocation/2010Mar/0013.html>
>>
>> Related to your previous comments:
>>
>> On Mon, Mar 8, 2010 at 12:57 AM, Thomson, Martin
>> <Martin.Thomson@andrew.com> wrote:
>>
>> > On my first read, I assumed that these events would be cumulative
>> > changes from the current orientation.
>> > The angles are described in relation to the device axes (A, B, C), not
>> > the local reference frame (X, Y, Z), which doesn't help in making this any
>> > clearer.
>> > There is no clear link between (A, B, C) and (X, Y, Z).
>>
>> I think that the three angles (theta, phi, gamma) describe the
>> position of the device reference system (A, B, C) related to the Earth
>> reference system (X, Y, Z)
>> I agree that diagrams would clarify the whole picture.
>>
>
> We made some diagrams and later today or Monday I'll post a new version of
> the draft addressing all comments made so far. Sorry for the delay.

Done:

http://dev.w3.org/cvsweb/geo/api/spec-source-orientation.html.diff?r1=1.1&r2=1.2&f=h

http://dev.w3.org/geo/api/spec-source-orientation.html


Thanks,
Andrei
Received on Wednesday, 21 April 2010 14:24:00 GMT

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