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wco81
USA
222 Posts |
 Posted - 24 sept. 2009 : 01:22:16
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quote:
Originally posted by danham
@ wco81:
To add to Rick's advice, have a look at our FAQ and follow the link to discussion of how to "fake" routes in your 670 using a leapfrog method and vias.
-dan
OK, I will have to study it for the next time.
But today, I'm really really down on the Nuvi 670, which I've purchased in 2007 and have used in two European trips before the current one in Andalucia.
The routing in those earlier trips weren't perfect. In fact, it led me to strange mountain roads which had me gripping the steering wheel tightly with both hands. Maybe I should have researched routes ahead of time and set up way points as you suggest.
Today, I went from Granada to Cordoba to Sevilla. There are some roundabouts which it identified as regular left or right turns. There's also the tracking being off where a turn or exit was identified too late resulting in recalculation as I took the wrong turns.
And some of the parking in Cordoba would lead me to old pedestrian streets.
But all of that was nothing compared to the route it led me to in Sevilla. I was able to study my Gisteq tracks, since the 670 doesn't have any logging that I'm aware of. It led me away from a major street into these pedestrian only streets and my final destination, a parking garage, it wanted me to do a left turn across oncoming traffic. First time, I passed that left turn and try to loop back from the other direction. But on recalculation, it led me again to make that left turn, which I did with people blowing their horns at me.
Not only that, it had me going on a trolly line and people were screaming from the street to tell me to get off.
So I don't know if it's that my maps are too old and/or the routing algorithm on this needs work. I know that before I left, I checked both Google Maps and Viamichelin, which would have kept me on the main street instead of crossing into a maze of mostly pedestrian-only alleys.
Of course, I couldn't study the Garmin's routing before leaving home. I could have studied it after it calculated the route, before setting out for Seville. But of course that involves going through the touchscreen over and over to see the last few turns it was going to have me do. I didn't have Google Maps or Viamichelin printouts to compare.
Actually, when I booked my reservations, I emailed screen shots of the Google Maps and Viamichelin routes to the hotels and they affirmed that I would be able to drive my cars there. Since those two sites gave similar routings, I assumed the Garmin would as well.
Now I know I can't trust it, especially in old European towns, with heavily pedestrianized historic centers.
Would buying more recent maps have made the Garmin likely to calculate the same routes as Viamichelin or Google Maps?
It seems ridiculous to buy a map update only a couple of years after paying $800 for this thing, which I'm now discovering is limited for the most core function, which is turn by turn directions (oh the hands-free and MP3 playback features are fine but obviously it's deficient in the core functionality).
I understand the GPS enthusiasts here have found ways to make the most out of their PNDs. But there's got to be an easier way to integrate the great online tools with these devices.
I guess I'll have to look into getting a PND which supports routes. Or just use paper maps next time. |
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danham
USA
7339 Posts |
Posted - 24 sept. 2009 : 02:30:16
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First thing I'd check is how your preferences and avoidances were set.
For next time, you can always preview the routing on your computer using MapSource or RoadTrip and you can also preview it on your 670 without being in Seville, while sitting in your home. All of this is covered in topics linked from our FAQ, so it really is worth taking a look when you get some time.
-dan |
- Nüvi forum moderator -
Nüvi 760 in a '10 Jetta TDI Diesel SportWagen & zumo 660 on a BMW F800 ST
Guide to working with pre-programmed routes: >> details <<
Language Guide / US Topo / 350 & 680 / MacBook & Intel iMac with OS X & Win XP / BaseCamp / Cape Cod, MA
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wco81
USA
222 Posts |
Posted - 24 sept. 2009 : 09:37:40
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I believe I had the quickest route set, which was useful for travel between cities. Otherwise, most of that stuff is set to default.
I did try to preview the route calculation at home but it wanted me to turn on the antenna at which point it used the home location to try to calculate destination.
I used "Near to" to find all the points of interest in my destination but otherwise couldn't use it to simulate the routing. Where is that FAQ again, is it sticky'd in the Nuvi forum?
I also tried RoadTrip and saw that it had a search. But apparently you have to validate the serial number and the maps (by entering a code off the CD which came with the device)? Not sure I still have the CD.
It would be best if there was better integration with online mapping sites and there is to a certain extent with the browser plugin.
I have to say I'm happy with the dealings I've had with Garmin, including presale support.
But I wonder if TomTom or some other vendor does better. I mean, it's great they make things like RoadTrip but you have to go find it yourself, it's not included in the box. Sure I should take the time to research and read FAQs.
The average PND buyer probably won't go and dig for this stuff though. When I planned my trips, navigation is something of an afterthought and I do think a lot of people get PNDs thinking they don't have to really think about it. Probably guilty of that myself.
Most PND buyers though won't even search for a site like gpspassion.com and given that, the PND makers or Garmin at least needs to make it easier out of the box.
That is where I had some hopes when there were rumors Apple were going to do a PND but it turns out they're going to rely on 3rd-party apps. for turn by turn. If Apple designed it, you know out-of-the-box they'd have some more simpler interface (for instance compare navigating the Nuvi touch screen UI like zooming vs. the iPhone touchscreen UI) and some better integration with computers (with software you don't have to search for on the Internet).
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danham
USA
7339 Posts |
Posted - 24 sept. 2009 : 13:31:06
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The FAQ is stickied at or near the top of the forum.
-dan |
- Nüvi forum moderator -
Nüvi 760 in a '10 Jetta TDI Diesel SportWagen & zumo 660 on a BMW F800 ST
Guide to working with pre-programmed routes: >> details <<
Language Guide / US Topo / 350 & 680 / MacBook & Intel iMac with OS X & Win XP / BaseCamp / Cape Cod, MA
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gpspassion
93389 Posts |
Posted - 26 sept. 2009 : 23:02:12
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| I was puzzled about multi-point routes so I came back to the guide ;-) One thing I thought I remembered reading is that you could prevent any recalc by switching to the "off-road" routing, obviously you would lose guidance so you'd need to look at the map to see where to turn, is that something you'd tried on your trip last year? |
Discounts and Assistance/Réductions et Assistance (Club GpsPasSion) / Où commencer? |
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danham
USA
7339 Posts |
Posted - 26 sept. 2009 : 23:18:08
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No, I could not find any way to prevent recalc. Instead, I made sure to have enough "forcing" points that the route would not be destroyed when it recalcs.
I did not, however, try the off-road setting. My guess is that it would have caused trouble when I deviated from the route, either on purpose (some of the roads were totally unsuitable for a medium-size truck) or to go back and fetch a broken-down scooter. At that point, I =wanted= recalc to get me back on track.
-dan |
- Nüvi forum moderator -
Nüvi 760 in a '10 Jetta TDI Diesel SportWagen & zumo 660 on a BMW F800 ST
Guide to working with pre-programmed routes: >> details <<
Language Guide / US Topo / 350 & 680 / MacBook & Intel iMac with OS X & Win XP / BaseCamp / Cape Cod, MA
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gpspassion
93389 Posts |
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danham
USA
7339 Posts |
Posted - 27 sept. 2009 : 15:13:34
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My experience was that most of the time the nuvi would properly send me to the next via or shaping point if I was off-route and it recalculated. I only had to reload once or twice, and that may have been due to flaky firmware behavior as much as routing.
-dan |
- Nüvi forum moderator -
Nüvi 760 in a '10 Jetta TDI Diesel SportWagen & zumo 660 on a BMW F800 ST
Guide to working with pre-programmed routes: >> details <<
Language Guide / US Topo / 350 & 680 / MacBook & Intel iMac with OS X & Win XP / BaseCamp / Cape Cod, MA
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Edited by - danham on 28 sept. 2009 20:34:59 |
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SammyD
USA
4 Posts |
Posted - 04 oct. 2009 : 06:59:59
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Can anyone explain crazy behavior of pre-programmed multipoint route with intermediate points placed on freeways (California)?
I have Nuvi 760, software version 4.8.
Often two-point route that MapSource offers does not sit well with me so I am bending the route placing fictitious intermediate points along the route. After making the route to my taste I transfer it to Nuvi. When I look at the final route recalculated by Nuvi I see ugly loops on freeways around my points.
Points that sit in streets have no problems, points located onto freeway where no street exits are nearby also work as intended. However, for every point having street exit within mile or two Nuvi plans exit to street, some nonsensical street traveling and return back to freeway. I place these points very accurately, say; if I drive on I605 north I place the point as I605-N etc.
Interesting that neglect of those loops around abnormal waypoint does not result in any Recalculating remarks, Nuvi silently agrees with my choice and continues just as if nothing had happened.
Looks as Nuvi considers every freeway waypoint as user error and tries to fix this error by going to the nearest street location.
Has anyone ever observed that erratic behavior of Nuvi 760? If yes, can you advise how to fix this?
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Edited by - SammyD on 04 oct. 2009 08:25:22 |
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danham
USA
7339 Posts |
Posted - 04 oct. 2009 : 16:35:39
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The only time my 760 did this was if the intermediate point was too close to an on or off-ramp. Zoom way in while looking at your route in MapSource and see if it thinks you are calling for an exit. Also, how are your navigation prefs set in your nuvi?
-dan |
- Nüvi forum moderator -
Nüvi 760 in a '10 Jetta TDI Diesel SportWagen & zumo 660 on a BMW F800 ST
Guide to working with pre-programmed routes: >> details <<
Language Guide / US Topo / 350 & 680 / MacBook & Intel iMac with OS X & Win XP / BaseCamp / Cape Cod, MA
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SammyD
USA
4 Posts |
Posted - 05 oct. 2009 : 02:42:16
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Thank you! I experimented again and this time I carefully aimed between exits (not a piece of cake on CA91 where exits are only blocks away) and everything transferred to Nuvi as is.
Thanks again for your advice.
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danham
USA
7339 Posts |
Posted - 06 oct. 2009 : 20:17:35
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Glad I could help. As noted earlier in this topic, when converting from other maps, such as Google, this can happen even when the original waypoint has been placed very accurately, just due to map differences.
-dan |
- Nüvi forum moderator -
Nüvi 760 in a '10 Jetta TDI Diesel SportWagen & zumo 660 on a BMW F800 ST
Guide to working with pre-programmed routes: >> details <<
Language Guide / US Topo / 350 & 680 / MacBook & Intel iMac with OS X & Win XP / BaseCamp / Cape Cod, MA
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PloddinPedro
United Kingdom
2 Posts |
Posted - 22 févr. 2012 : 23:44:16
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I'm looking for a facility that I suspect many others would welcome. I frequently find that the most acceptable route from A to D is not via B and C and is neither the "fastest" nor the "shortest" but is a mixture of A and B roads, short stretches of motorways and a few "yellow" unclassified roads. Just the sort of thing I am accustomed to composing on my desktop In MemoryMap or similar and downloading as a .gpx file into my handheld GPS unit and using on my bicycle. (Well, OK, not motorways on the bike, but you get the idea). The unit displays a rolling OS raster map with my route visible as a highlit line and I simply follow the map, just like the good old days.
I spoke to Garmin and yes, you can do this with a number of our models. I checked some Owner Manuals, downloaded from their website and sure enough, they say: "The device supports the following file types:
• JPEG and JPG image files
• Maps and GPX waypoint files from
MapSource® ...."
So I buy a nuvi 2595LMT
I can't connect it to Mapsource. A couple of long tedious conversations later, it turns out that the previous adviser and the manual are wrong - you can transfer files (and only Routes not Tracks) only by using Basecamp.
A frustrating couple of hours later I have finally got a small route loaded into the nuvi. Scrutiny reveals that it's taken only some of my user defined waypoints. I try it in the car anyway, twice. The first time the routing goes around in circles; the second time it just stops halfway through the journey.
I know from my experience with handheld Garmins that their "satnav" autorouting is pants but I expected the in-car units to be workable.
Is there anyone out there who has cracked this? |
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danham
USA
7339 Posts |
Posted - 23 févr. 2012 : 00:18:40
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Pedro,
Welcome to the forum. I'm not up to speed on the 2595, but I suspect it uses the new Trip Planner function instead of routes, and the unit I road tested that used Trip Planner (I think it was a 1495) was a nightmare for the reasons you describe. This is why I bought a zumo 660. It accepts routes from BaseCamp (or MapSource, though that program will no longer be supported) and for the most part does not butcher them when you import them to the GPS.
-dan |
- Nüvi forum moderator -
Nüvi 760 in a '10 Jetta TDI Diesel SportWagen & zumo 660 on a BMW F800 ST
Guide to working with pre-programmed routes: >> details <<
Language Guide / US Topo / 350 & 680 / MacBook & Intel iMac with OS X & Win XP / BaseCamp / Cape Cod, MA
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sussamb
United Kingdom
611 Posts |
Posted - 23 févr. 2012 : 08:45:12
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Dan, it was probably the 2495, there isn't a 1495  . In fact the 14xx series (Pedro, I live in UK and have one) accepts 'routes' from both Mapsource and Basecamp, I used to use Mapsource but have now moved to Basecamp. I've heard of the problems with Trip Planner on the later nuvis, which is why I'm hanging on to my 1490 as long as possible  |
Edited by - sussamb on 23 févr. 2012 08:46:06 |
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[GUIDE] Working with programmed multi-point routes
