- From: Philipp Hoschka <ph@w3.org>
- Date: Tue, 06 May 2014 17:31:10 +0200
- 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