[gps-talkusers] Re: Accessible GPS app question
- From: Wendy Poth <wendy.poth@xxxxxxxxx>
- To: "gps-talkusers@xxxxxxxxxxxxx" <gps-talkusers@xxxxxxxxxxxxx>
- Date: Tue, 23 Jul 2013 18:39:01 -0500
Oh I knew last I had to biased her. She is loving the balcony. How are you? You
riding?
Sent from my iPhone
On Jul 23, 2013, at 2:22 PM, "Charles LaPierre" <charles@xxxxxxxxxxxxxxxx>
wrote:
> Hello Justin,
> The short answer is those addresses are geocoded and act like points of
> interest for every house number. Traditionally map companies like TomTom
> and NavTeq took the approach that the addresses on a given block ranged from
> 100-199 and it was up to the software to figure out that if you were 1/4th
> the way down the street you were probably near 125. But a geocoded address
> at 1/4th the way down the street maybe 105 since the buildings are very
> large and don't go sequentially down the street. Hence the discrepancy.
>
> The long answer, most if not all map providers are now scrambling to catch
> up and replace their interpolated address ranges for a block with exact
> geocoded addresses, but this costs a lot of money not to mention a lot of
> extra memory. It's really easy to say that this block goes from 100-200,
> but takes up 100 times the amount of data to actually have a lat/lon for
> every house along that street. Most map providers charge a premium to get
> this point address information. Google and others have put in massive data
> collection by driving every street in the USA collecting this data, and it
> doesn't come cheap. Sure they will implement their own map product with
> this highly accurate geocoded address data, to convince others to switch
> from a certain phone or software to use their own, and will charge others a
> lot to use this data. The data is there or is getting there, but the trick
> now is getting access to this data for a reasonable price and in a format we
> can easily use.
>
> Hope this helps.
>
> Charles LaPierre, CTO Sendero Group
> Developers of accessible GPS and distributors of technology for the blind
>
> Office Phone: 888-757-6810
> Email: Charles@xxxxxxxxxxxxxxxx
> Sendero web: http://www.senderogroup.com
> General GPS Web: http://www.AccessibleGPS.com
>
>
> -----Original Message-----
> From: gps-talkusers-bounce@xxxxxxxxxxxxx
> [mailto:gps-talkusers-bounce@xxxxxxxxxxxxx] On Behalf Of Justin Hull
> Sent: Tuesday, July 23, 2013 11:21 AM
> To: gps-talkusers@xxxxxxxxxxxxx
> Subject: [gps-talkusers] Re: Accessible GPS app question
>
> Hello,
> I have a fairly technical question. I have noticed that on Siri maps it will
> give me my exact location up to and including the exact street number of the
> address where I'm stationed at. Does anyone know why using nearby explore
> or the Seeing Eye GPS application the addresses are about half a block off
> and do not give you the exact address location?
>
> Thank you
> Have a great day.
> Justin Hull
>
> On Jul 23, 2013, at 12:03 PM, "Christian" <christian08@xxxxxxxxxx> wrote:
>
>> Hi all,
>> I have just joined this list and I look forward of hearing about new
> things here.
>> I have a Trekker Breeze GPS, but I have found that there are many
> addresses that it can't find and street numbers cant be found either, even
> if the address has been around for many years.
>> So, the map data is not that all good so I have had to create many
> favorites.
>> I am using Android as my main mobile platform and I have been trying
> Google maps and and app called Walkytalky to get information on the street I
> am currently passing.
>> And the maps are far better than the maps on the Breeze!
>> But, now, to my question.
>> Does anyone know of any app that might be worth looking at and that will
> work outside of the states?
>> Many thanks for any help,
>> Christian
>>
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