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crazyhazy
Lifetime Member
Joined: Oct 20, 2006
Posts: 171
Location: Cheshire
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 Posted: Fri Dec 22, 2006 9:40 pm Post subject: How accurate? |
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Having previously downloaded poi from this site one question I wanted to ask was just how accurate the new ones are? After installing BP garages on my tomtom one new edition I found them to be not a million miles away, but no where near as accurate as the speed cameras for example - some of them in the middle of rivers and on motorway slip roads! this is not a moan by the way - just an obvservation! the Shell garages where spot on as where the WiFi. I subscribed to your speed camera database which is excellent - talking of which I reported a new camera and waited to see if I had got my lifetimes subscription - "apparently" I wasnt the first - even though I live near this camera and reported it as soon as they started digging the hole for it!! - Anyone who has been rewarded for being the first to spot one - I take my hat off to you!!
Keep up the good work
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Graham
Tomtom One
App 8.010 (9369/080529) OS:190943
GPS v1.21, Boot 5.5011
United Kingdom and Replublic of Ireland v885.4058 |
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Border_Collie
Pocket GPS Verifier
Joined: Feb 01, 2006
Posts: 2543
Location: Rainham, Kent. England.
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| Posted: Fri Dec 22, 2006 10:27 pm Post subject: |
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| Quote: | | apparently" I wasnt the first - even though I live near this camera and reported it as soon as they started digging the hole for it!! |
Maybe it hasn't been verified yet.
| Quote: | Anyone who has been rewarded for being the first to spot one - I take my hat off to you!!
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 :D
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Formerly known as Lost_Property
And NO that's NOT me in the Avatar. |
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lbendlin
Pocket GPS Staff
Joined: 02/11/2002 22:41:59
Posts: 11878
Location: Massachusetts, USA
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| Posted: Sat Dec 23, 2006 2:46 pm Post subject: |
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crazyhazy,
we count on you to help improving the POI accuracy. With your local knowledge you can right the location, name, phone etc. of the POIs near you by submitting a change request for an existing POI. The process is described on the submission page.
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Lutz
Report Map Errors here:
TomTom/TeleAtlas NAVTEQ |
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Oldie
Pocket GPS Moderator
Joined: 22/11/2002 13:33:48
Posts: 992
Location: Surrey, UK
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| Posted: Sat Dec 23, 2006 6:32 pm Post subject: Re: How accurate? |
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| crazyhazy wrote: | | but no where near as accurate as the speed cameras for example - some of them in the middle of rivers and on motorway slip roads! |
Please report the location of those POI that are so obviously wrong and they can be removed.
It is better to have a POI placed at the junction of the motorway and the the slip road into the service area as the warning that you will receive from your SatNav will give you a better chance of using the slip road. A lot of service areas are very large, so large that if the POI is placed on the actual location of the POI then you may have passed the turning into the area before you receive a warning.
Also for stores on large retail parks please position the POI on the road that leads into the retail park not on the store itself.
Richard
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Various TomToms, Garmin eTrex Legend, GPSMAP 60CSx, Oregon 550t, Forerunner 405 |
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crazyhazy
Lifetime Member
Joined: Oct 20, 2006
Posts: 171
Location: Cheshire
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| Posted: Sat Dec 23, 2006 6:58 pm Post subject: |
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Thanks for your reply, I will submit as much information to this site as I possibly can as it as helped me a lot and if I can help others then I will. One thing though the BP garage I mentioned before that was showing on the motorway slip road - its proper location was 200 yards up the main road - its not on the motorway - nor is it a service station! It's nowhere near the motorway but thats where it was showing on the satnav
Thanks
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Graham
Tomtom One
App 8.010 (9369/080529) OS:190943
GPS v1.21, Boot 5.5011
United Kingdom and Replublic of Ireland v885.4058 |
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elyl
Occasional Visitor
Joined: Sep 21, 2005
Posts: 38
Location: UK
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| Posted: Sat Dec 23, 2006 7:24 pm Post subject: |
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I suspect many of the POIs that are inaccurate were derived using geocoding - i.e. the actual physical location of them wasn't verified, it was just "worked out" by using the address/postcode registered for the POI. As there is no entirely accurate way to derive GPS location from a postcode, that's why some of the POIs are a bit off.
Personally, I prefer to have an inaccurate POI that shows me the general area of what I'm looking for, rather than no POI at all, even if it is frustrating. |
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crazyhazy
Lifetime Member
Joined: Oct 20, 2006
Posts: 171
Location: Cheshire
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| Posted: Sun Dec 24, 2006 2:38 am Post subject: |
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I agree entirely
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Graham
Tomtom One
App 8.010 (9369/080529) OS:190943
GPS v1.21, Boot 5.5011
United Kingdom and Replublic of Ireland v885.4058 |
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dkondrat
Banned
Joined: Oct 14, 2006
Posts: 4
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| Posted: Tue Dec 26, 2006 12:55 pm Post subject: |
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| I'm totally agree with you on BP petrol station's positions. They are always at least few hundred yards away from their position on the map and we are talking not about one or two BP stations but ALL of them. |
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dkondrat
Banned
Joined: Oct 14, 2006
Posts: 4
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| Posted: Tue Dec 26, 2006 1:01 pm Post subject: Re: How accurate? |
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| crazyhazy wrote: | | I reported a new camera and waited to see if I had got my lifetimes subscription - "apparently" I wasnt the first - even though I live near this camera and reported it as soon as they started digging the hole for it!! - Anyone who has been rewarded for being the first to spot one - I take my hat off to you!! |
Well m8, if u can be charged 2 pounds per month what is the point for the site owners not to do so? They always can say "you were not the first" and there is no way you can check it.
I reported one removed camera and next day it was removed from database, but again apparently I wasn't first one 
I no longer belive in lifetime subscription but rather in "pool membership" when few people get annual subscription for few quid. |
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crazyhazy
Lifetime Member
Joined: Oct 20, 2006
Posts: 171
Location: Cheshire
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| Posted: Tue Dec 26, 2006 1:45 pm Post subject: |
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I'm not having a go at the person who submitted the BP poi - some of the others where miles out as well - nor am I having a go at the person who posted the earlier reply saying its better to have an inaccurate poi that gives you the general area than no poi at all even if it is frustrating!! Surely that depends on what you as an individual class as frustrating - if you had followed the example I used earlier which showed a BP station on the motorway slip road - by the time you had realised it was not right it would have been too late and you would have to take the motorway! The next junction is 6 miles away!! no good if ur running on fumes!!! Better not put some of them on at all I think - dont you agree? Bearing in mind some people who own a satnav have no navigational skills at all and rely on it 100%
_________________
Graham
Tomtom One
App 8.010 (9369/080529) OS:190943
GPS v1.21, Boot 5.5011
United Kingdom and Replublic of Ireland v885.4058 |
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JockTamsonsBairn
Lifetime Member
Joined: Jan 10, 2004
Posts: 2777
Location: Bonnie Scotland (West Central)
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| Posted: Tue Dec 26, 2006 2:28 pm Post subject: |
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| crazyhazy wrote: | | If you had followed the example I used earlier which showed a BP station on the motorway slip road - by the time you had realised it was not right it would have been too late and you would have to take the motorway! The next junction is 6 miles away!! no good if ur running on fumes!!! |
Annoying & frustrating, I agree, but, I'd like to hope, an extreme example, which I'm sure you've now corrected!
| dkondrat wrote: | | They are always at least few hundred yards away from their position on the map and we are talking not about one or two BP stations but ALL of them. |
No matter how bad your navigation skills are you should be able to find it yourself from that distance! 
I think you'll find that this POI file has not been created by the Team members visiting every BP station in the UK, but has, in fact, been from the postcodes. I think we know how wide an area a single postcode can cover. The idea is that this is a community effort, WE (members, subscribers, users, ...) adjust the locations of the POIs that we visit. That way, when a stranger visits our area, they'll find the POIs are accurate, and, lo and behold, when we visit a strange area, we'll also find the local POIs accurate!
If you find the POIs too inaccurate, don't use them, but create your own!
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Jock
TomTom Go 940 LIVE (9.510, Europe v915.5074 on SD & 8.371, WCE v875.3613 on board) |
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