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alexnigma Occasional Visitor
Joined: Aug 30, 2004 Posts: 19
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Posted: Thu Mar 26, 2009 12:54 pm Post subject: Loading Itinaries |
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Hi all,
Some friends of mine have uploaded some .gdb files from a garmin for some motorcycling routes which I have downloaded and converted to Ov2 files and then put on my 920, but the problem I am having is that these routes seem to confuse themselves once on the tomtom. When I say that I load up an itinary and when I check the route you can clearly see at certain junctions every road is highlighted as if you have got to take every junction which is mad. Any ideas anyone. All I can think is when I convert them they must get confused and put loads of the same long and lat positions for waypoints maybe.
Any help greatly appreciated. I am using ITN converter unless someone knows of a better program for this.
Regards,
Nigel |
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Oldboy Pocket GPS Moderator
Joined: Dec 08, 2004 Posts: 10643 Location: Suffolk, UK
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Posted: Thu Mar 26, 2009 2:12 pm Post subject: |
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Are you using the converted .gdb files as Itineraries themselves? Or are you picking the Itinerary locations from the new files, as shown on the Map? _________________ Richard
TT 910 V7.903: Europe Map v1045
TT Via 135 App 12.075: Europe Map v1135 |
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alexnigma Occasional Visitor
Joined: Aug 30, 2004 Posts: 19
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Posted: Thu Mar 26, 2009 2:29 pm Post subject: |
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Thanks for your reply. I put the converted files straight into the itn folder of tomtom.
I tried putting them into the map folder but nothing loads which is what I expected.
My only other thought was maybe during conversion the converter enables you to use google maps to view long and lat so maybe I could remove certain close waypoints and improve on it that way.
Any thoughts please. |
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Andy_P Pocket GPS Moderator
Joined: Jun 04, 2005 Posts: 19991 Location: West and Southwest London
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Posted: Thu Mar 26, 2009 6:06 pm Post subject: |
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I've never tried putting .ov2 files in the itinerary folder... (cue some experiments... )
But 'proper' TomTom itineraries are in .itn format, not ov2 which they use just for POI files.
You might need another converter....
POI Edit can load and save both .ov2 and .itn files
Don't forget the TT can only accept a certain number of waypoints in an itinerary too. I can't remember off-hand, but I think it might be 48. |
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Oldboy Pocket GPS Moderator
Joined: Dec 08, 2004 Posts: 10643 Location: Suffolk, UK
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Posted: Thu Mar 26, 2009 6:35 pm Post subject: |
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alexnigma wrote: | My only other thought was maybe during conversion the converter enables you to use google maps to view long and lat so maybe I could remove certain close waypoints and improve on it that way. | If the points (locations) in the dbf file is the itinerary that you wish to follow, then you have to maintain the order of those locations.
An OV2 doesn't understand about following a pre-planned route. It will be combined in a way that makes it efficient in real time, in a Map Display. The total area covered by the locations are divided up into smaller, and yet smaller, segments.
http://www.licour.com/gps/poi_format/poi_file_format.html shows the construction of POI files and the graphic shows how the Map overlay might be segmented into a very small area.
An TT Itinerary file is a pure text file that has a limited number of Waypoints.
Would it help if you sent me one of the DBF files to have a play with? _________________ Richard
TT 910 V7.903: Europe Map v1045
TT Via 135 App 12.075: Europe Map v1135 |
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alexnigma Occasional Visitor
Joined: Aug 30, 2004 Posts: 19
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Posted: Thu Mar 26, 2009 8:04 pm Post subject: |
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Hi,
Thanks for your responce. I can send you a file no probs. What I am trying to achieve is this. When we go on a weekend blast with the motorcycle group I am in we do specific training routes which are compiled using a garmin device. I want to convert to my tomtom so when they say we are doing route 35 which maybe Kidderminster via Worcester then I know which one to load so I can then make my way to the meet point with no concern if we get split up.
If you send me your e-mail address I will send you a file for a Skegness run that we did recently.
Regards,
Nigel |
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Rick-uk Lifetime Member
Joined: Apr 16, 2006 Posts: 320 Location: BS20, North Somerset
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Posted: Wed Apr 01, 2009 7:17 pm Post subject: |
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I don't have any files to test it with but gpsbabel will import Garmin .gdb files and export TT itinerary files (.itn) amongst all it's other conversion possibilities |
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Oldboy Pocket GPS Moderator
Joined: Dec 08, 2004 Posts: 10643 Location: Suffolk, UK
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Posted: Wed Apr 01, 2009 7:39 pm Post subject: |
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Rick-uk wrote: | I don't have any files to test it with but gpsbabel will import Garmin .gdb files and export TT itinerary files (.itn) amongst all it's other conversion possibilities | The problem was that the Garmin file had some 670 waypoints. The TT can handle only 48 per Itinerary.
I got it down to 48, but I don't know if the method I used has been successful on the files he's doing himself. _________________ Richard
TT 910 V7.903: Europe Map v1045
TT Via 135 App 12.075: Europe Map v1135 |
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cleggie Occasional Visitor
Joined: Aug 28, 2006 Posts: 36 Location: South Yorkshire UK
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Oldboy Pocket GPS Moderator
Joined: Dec 08, 2004 Posts: 10643 Location: Suffolk, UK
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Posted: Thu Apr 02, 2009 6:19 pm Post subject: |
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There is still the problem of reducing 670 waypoints to 48, or less. _________________ Richard
TT 910 V7.903: Europe Map v1045
TT Via 135 App 12.075: Europe Map v1135 |
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