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Re: Vehicle Location Information

From: Philipp Hoschka <ph@w3.org>
Date: Tue, 06 May 2014 17:31:10 +0200
Message-ID: <5369003E.3000502@w3.org>
To: "Rees, Kevron" <kevron.m.rees@intel.com>
CC: ta-hirabayashi@kddi-ri.jp, Paul Boyes <pb@opencar.com>, "public-autowebplatform@w3.org" <public-autowebplatform@w3.org>
+1, fwiw

On 5/6/2014 5:26 PM, Rees, Kevron wrote:
> It was my understanding, and Paul, please correct me if I'm wrong,
> that we felt there should be changes to the geolocation API, that
> those changes should be proposed to that group.  We want to avoid
> duplicate APIs.  As far as accuracy goes, an OEM can implement the
> geolocation API with much more accuracy in the vehicle because they
> have more data available (gyro, rotation angle of the wheel, etc).
> That however is not an API problem.  It's an implementation problem.
>
> So there are two questions that need to be solved:
>
> 1 - Is the geolocation API good enough for vehicles?  If not, we need
> to work with that group to fix it.
> 2 - Can implementers of the geolocation API take advantage of vehicle
> data to improve accuracy?  I think the answer is "yes".
>
> On Tue, May 6, 2014 at 7:37 AM,  <ta-hirabayashi@kddi-ri.jp> wrote:
>> Hi, Paul-san and Kevron-san
>>
>> While I do not notice it, a definition of the vehicle location
>> information disappears in
>> first draft spec.
>>
>> In the last f2f meeting, Urata-san pointed out the generic geolocation
>> information (GPS-based)
>> is not accurate enough. With gyro, vehicle speed, rotation angle of the
>> wheel and so on, most
>> of car navigation diveces have higher accuracy (within 1 or 2 meters
>> errors in any roads of
>> Japan) than conventional devices such as a smartphone and tablet.
>>
>> In the case where the OS and the device which web apps are running on
>> support generic
>> geolocation APIs, it becomes difficult for us to acquire the accurate
>> positioning data easily
>> if vehicle location information should be not available as it is.
>>
>> In short, we thought that geolocation information and vehicle location
>> information are distinct
>> APIs in accuracy.
>>
>> Can you restore the definition of vehicle location information in spec?
>>
>> T.Hirabayashi/KDDI
>>
>>
>>
>
>
Received on Tuesday, 6 May 2014 15:31:51 UTC

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