[gps-talkusers] Re: Using Seeing Eye GPS as a Pedestrian
- From: "Armando Maldonado" <armando.maldonado0767@xxxxxxxxx>
- To: <gps-talkusers@xxxxxxxxxxxxx>
- Date: Thu, 10 Jul 2014 18:17:17 -0700
Well said Mike, it's always good to have both the new and the old combined when
it comes to travel. I try not to rely on such but whenever I travel I would do
the Virtual explore route and maybe turn on the GPS if I feel I am lost, just
for orientation purposes only.
-----Original Message-----
From: gps-talkusers-bounce@xxxxxxxxxxxxx
[mailto:gps-talkusers-bounce@xxxxxxxxxxxxx] On Behalf Of Michael May
Sent: Thursday, July 10, 2014 6:13 PM
To: gps-talkusers@xxxxxxxxxxxxx
Subject: [gps-talkusers] Re: Using Seeing Eye GPS as a Pedestrian
Kelly,
Here is how it works. The map data is structured such that each street is
classified by the map data provider such as residential, arterial, highway and
so forth. The route calculation then uses those classifications to figure out
pedestrian verses a vehicle route. I have found situations where a route wasn't
used as pedestrian because the road was considered a highway, like highway 99,
which would be a highway outside of town but it is Main street in town and
quite crossable. Other times, the reverse is true.
If you have any of the other Sendero products, you can see the classification
of every street. Sendero has no control over these classifications. Hence all
the disclaimers that tell you not to trust the data or the GPS signals. Proceed
with caution!
There are stories about how someone drove their car into a river because the
GPS directed them that way. I hope most users are more skeptical than that and
use the technology with common sense.
Mike
-----Original Message-----
From: gps-talkusers-bounce@xxxxxxxxxxxxx
[mailto:gps-talkusers-bounce@xxxxxxxxxxxxx] On Behalf Of Kelly Pierce
Sent: Thursday, July 10, 2014 5:42 PM
To: gps-talkusers@xxxxxxxxxxxxx
Subject: [gps-talkusers] Re: Using Seeing Eye GPS as a Pedestrian
I’m glad this topic was raised. Living in a big city that strictly follows a
grid street design, I have noticed that the Seeing Eye GPS app suggests
pedestrian routes that an independent blind traveler would never take. It
seems the Seeing Eye app offers the shortest route possible. This often
results in routes that take many turns or ones that require the blind traveler
crossing streets without traffic controlled intersections. For example, I was
walking from the Rockwell brown Line L station in Chicago at 4648 N. Rockwell
to the Lincoln Square location of the Crossfit Defined gym at 2750 W.
Lawrence. The Seeing Eye app wanted me to go north to Leland, west to Talman
and then cross busy Lawrence. There is no traffic light at Talman. Instead, I
chose to go on Rockwell north to Lawrence and cross at the traffic light and
then go west to my address. The entire trip is only three tenths of a mile.
A similar situation happened this week when I wanted to travel from my office
at Washington and Dearborn in Chicago to the Industrious shared work space at
320 W. Ohio. This is a distance of one mile. The seeing Eye app told me to go
north on Dearborn to Wacker Drive, go one block west to Clark street then go
north to Hubbard Street. On Hubbard, I would walk just a few hundred feet to
Wells Street. Then, the app wanted me to go north on Wells Street and then to
take a left turn on Grand Avenue. I then needed to take a right turn when I
reached Franklin Street so I was going north again. Then only after
290 feet, I finally turn left going west on Ohio street to my address.
An independent blind traveler would simply go north on Dearborn or Clark to
Ohio and then west to the address.
These routes were created using Tom tom maps. It is perplexing to me why a
travel aid for the blind would create such complex pedestrian routes going
short distances. There are full sidewalks on Rockwell and all the way up
Dearborn and Clark streets. The many turns and avoidance of traffic lights
does not make sense. With Apple maps, the end user is often given three
choices of routes to take, each with a different set of priorities. One route
may favor major streets.
Another may have the shortest distance or travel time. Another may offer the
fewest turns. With the Seeing Eye, GPS the end user has no choice.
Kelly
On 7/8/14, Sofia Gallo <sofiagallo13@xxxxxxxxx> wrote:
> So I've noticed that most of the threads discuss using GPS while in a
> car or paratransit service, so I figured I would start a discussion
> for those who use the app mostly for walking routes.
>
> Any experiences, tips or suggestions to share?
>
> I recently started using the app in NYC, and it is extremely accurate,
> even with the tall buildings.
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