[gps-talkusers] Re: Accessible GPS app question
- From: "Charles LaPierre" <charles@xxxxxxxxxxxxxxxx>
- To: <gps-talkusers@xxxxxxxxxxxxx>
- Date: Tue, 23 Jul 2013 19:43:36 -0700
Hello Justin,
The seeing Eye uses NavTeq not TomTom. But even with TomTom in our other
products we don't have access to that level of address detail in the default
maps. That is probably additionally licensed content that Apple must have
licensed or obtained some how.
Thanks.
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 6:47 PM
To: gps-talkusers@xxxxxxxxxxxxx
Subject: [gps-talkusers] Re: Accessible GPS app question
Hello Charles,
I appreciate the response. So why is it that Siri Maps is able to do it
considering they used tom-tom just like the Seeing Eye application?
Thank you
Have a great day.
Justin Hull
On Jul 23, 2013, at 5:39 PM, "Wendy Poth" <wendy.poth@xxxxxxxxx> wrote:
> 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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