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entering a lat/long tomtom removes the minus

 
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ldormon
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Joined: Nov 09, 2005
Posts: 6

PostPosted: Sun Dec 09, 2007 10:42 pm    Post subject: entering a lat/long tomtom removes the minus Reply with quote

All

Just tried entering a lat/long into tomtom 6.030 it defaults to East on the long if you don't enter anything but then ignores the minus.

So for example, I'm trying to get to :-

Lat: 51.238808 Long: -0.260861

Which is E-0.260861 tomtom just removes the - and I endup somewhere entirely different, is it just me?

Cheers
Lee
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mikealder
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Joined: Jan 14, 2005
Posts: 19638
Location: Blackpool , Lancs

PostPosted: Sun Dec 09, 2007 10:48 pm    Post subject: Reply with quote

Have you tried using the large N.S.E.W. letters to preceed the numeric value, ignore the pos/ negative, the device can work out from the S or E selection that it should be a negative value:

N51.238808
E0.260861

The values above should do what you want - Mike
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ldormon
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Joined: Nov 09, 2005
Posts: 6

PostPosted: Sun Dec 09, 2007 10:59 pm    Post subject: Reply with quote

I know what you're saying and I could just convert the E-0.260861 to a W0.260861 and it would all work, but why does TT remove the minus.

This all started because I was sent a link to this hotel :-

http://www.devere.co.uk/venues/Hartsfield-Manor/contact.aspx
And I quote :-

So, if you're lucky enough to own a Sat Nav system then please use these co-ordinates below:

Sat Nav Coordinates
Lat: 51.238808 Long: -0.260861

If you just blindly put those into TT you'll end up in the wrong place :/
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philip4242
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Joined: May 26, 2004
Posts: 123

PostPosted: Mon Dec 10, 2007 12:09 am    Post subject: Re: entering a lat/long tomtom removes the minus Reply with quote

ldormon wrote:
All

Just tried entering a lat/long into tomtom 6.030 it defaults to East on the long if you don't enter anything but then ignores the minus.

So for example, I'm trying to get to :-

Lat: 51.238808 Long: -0.260861

Which is E-0.260861 tomtom just removes the - and I endup somewhere entirely different, is it just me?

Cheers
Lee


I have the same version of TomTom, but can't see any way to actually enter the minus sign on the co-ordinate entry page, so don't understand how TomTom could be 'removing' the - !

I think the problem is that the original co-ordinates quoted are not in the correct form for direct entry into TomTom.

A quick Google produced this from Whatis.com:-

'Latitude angles can range up to +90 degrees (or 90 degrees north), and down to -90 degrees (or 90 degrees south).
Longitude angles can range up to +180 degrees (180 degrees east), and down to -180 degrees (180 degrees west).'

The original co-ordinates were using the +/- form, whereas TomTom requires the N/S, E/W form.
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MaFt
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Joined: Aug 31, 2005
Posts: 15125
Location: Bradford, West Yorkshire

PostPosted: Mon Dec 10, 2007 12:50 am    Post subject: Reply with quote

mikealder wrote:
Have you tried using the large N.S.E.W. letters to preceed the numeric value, ignore the pos/ negative, the device can work out from the S or E selection that it should be a negative value:

N51.238808
E0.260861

The values above should do what you want - Mike


mike, i though it was the other way around? they're known as 'northings and eastings' so west is negative?

MaFt


Last edited by MaFt on Mon Dec 10, 2007 10:47 am; edited 1 time in total
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xda
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Joined: Mar 11, 2004
Posts: 1199
Location: Park Gate

PostPosted: Mon Dec 10, 2007 2:37 am    Post subject: Reply with quote

ldormon wrote:
I know what you're saying and I could just convert the E-0.260861 to a W0.260861 and it would all work, but why does TT remove the minus.

This all started because I was sent a link to this hotel :-

http://www.devere.co.uk/venues/Hartsfield-Manor/contact.aspx
And I quote :-

So, if you're lucky enough to own a Sat Nav system then please use these co-ordinates below:

Sat Nav Coordinates
Lat: 51.238808 Long: -0.260861

If you just blindly put those into TT you'll end up in the wrong place :/


The format supplied for the hotel is as you would use to add to an existing POI file. As an example I have a POI file called My_Favourites.ov2
Rather than add the whole Travelodge file to my Go for this last weekend meet, I just added the one location I was staying at, and the one for the pub.
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TT Go720, App:9.510(1234792.1) OS:842337
GPS: V1.20, Boot: 5.5279, Home: V2.9.5.3093
Map: Europe V910.4892
Map: Europe_Truck V870.3421, Kingston 8GB SD
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ldormon
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Joined: Nov 09, 2005
Posts: 6

PostPosted: Mon Dec 10, 2007 12:14 pm    Post subject: Re: entering a lat/long tomtom removes the minus Reply with quote

philip4242 wrote:

I have the same version of TomTom, but can't see any way to actually enter the minus sign on the co-ordinate entry page, so don't understand how TomTom could be 'removing' the - !


Arh the joys of having a real keyboard on my treo 650, so at least most people will be unable to enter the wrong long.
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mikealder
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Joined: Jan 14, 2005
Posts: 19638
Location: Blackpool , Lancs

PostPosted: Mon Dec 10, 2007 12:39 pm    Post subject: Reply with quote

MaFt wrote:

mike, i though it was the other way around? they're known as 'northings and eastings' so west is negative?

MaFt
OOPs now you know why I need to use a sat nav! never was any good with maths (honest) - Mike
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