How can I use the built in gps with google maps instead of an internet connection....is it possible?
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Google maps does not use gps for the current position?
I have tried google map on some android phones, the map can not locate current position if gps is disabled, so I have always assumed that it use gps only for positioning.
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You need both to be perfectly accurate. Your data connection can only be used to locate you within a few hundred meters. The GPS radio can be used to locate you within a FEW meters. That's why you need both enabled.
i always thought google maps was inaccurate because of the data connection...what if your somewhere with no signal then what?
If you're somewhere with no signal:
1) It won't be able to download the actual map data (the background/underneath imagery of roads, labels, etc.)
2) It'll take a few minutes to get a GPS fix.
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I have seen on samsung simple phone i don't remember model... however so it has google earth and it was working by internet and was shoing my place in about 10Mtrs corency... so can we or do we have some kind of program to make that on HTS EXCALIBUR?????? i have tried google earth for smartphones but anyways it's requesting GPS device...
It is possible to triangulate your location to a certain (horrible) accuracy using Cell Towers in your area. I believe there are actually programs that do it (I have used one). The best accuracy i have ever gotten was within 150 Meters, standing still. That is the second down-fall..you can't use triangulation efficiently when moving (if at all...)
So unfortunately, there is not real good way to do this. For decent results, you would want a GPS.
It is possible to triangulate your location to a certain (horrible) accuracy using Cell Towers in your area. I believe there are actually programs that do it (I have used one). The best accuracy i have ever gotten was within 150 Meters, standing still. That is the second down-fall..you can't use triangulation efficiently when moving (if at all...)
So unfortunately, there is not real good way to do this. For decent results, you would want a GPS.
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I used Google Latitude which uses some sort of cell tower triangulations on my DASH and it works out pretty well. I was able to get within 80 meters and if you actually look at the Google map that is in the Latitude, my position is actually spot on.
My Google Maps Street View puts me within 50 meters.
Now is this using a DATA Connection? (I noticed the title said GPRS). That could make the difference. Whenever I tested out a program like that, i would be using little to no data connection, but if there is a greater stream of data being transferred, that may affect the response (or make it easier for the phone to identify the closest 3 towers)...
xXx
so what kn of settings I must give in GOOGLE LATITUDE that it shows me my place by GPRS? i pushing on MY LOCATION but program is saing that my location is unavalibe... I live in armenia can it be areason of error?
Virtual GPS
There is a program by Kamlex called Virtual GPS. There is a free version and a pro version. It uses no internet access and gets your location through the cell towers.
When using Google Maps, just set your gps com port to which ever port the VirtualGPS is using (usuallly 3) and it will locate you to the nearest tower. I will post the program here.
i'm off on hols tomorrow (cuba) and want to log a few trecks with gps. mobile data will be off and airplane mode on.
in that scenario will gps count as data usage? i assume not but want to be sure
i plan on using mytracks or jogtracker to track my course. it'll only store gps data afaik but will be overlayed on google maps once i've uploaded it after coming home, or if i find wifi over there.
That won't work, It has to download the maps themselves from Google Maps and the GPS uses the web to assist it.
I used OpenGPS abroad (which works in very similar way) with Mobile Network disabled and was only collecting GPS data.
The app tracked my positions, drew the line but and Google Maps were not loaded.
So yes, it should work - as long as you keep Mobile Network disabled you will not be charged for pure GPS data usage.
And you can download the Google Maps layer once you come home.
ferus said:
I used OpenGPS abroad (which works in very similar way) with Mobile Network disabled and was only collecting GPS data.
The app tracked my positions, drew the line but and Google Maps were not loaded.
So yes, it should work - as long as you keep Mobile Network disabled you will not be charged for pure GPS data usage.
And you can download the Google Maps layer once you come home.
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Ignoreme - completely misread that...
thanks guys.
ferus, sounds like jogtracker/my tracks that doesn't it? i guess they all just show you pretty much the same info anyways
off to a fair few places and want to be able to look at maps when i got home and see where i trekked across.
hope this works
GPS abroad
I turn off roaming data while abroad as very expensive but I do use GPS and Mapdroyd for location based apps. Mapdroyd stores maps on SD card. Some countries have better detail than others. Works on aircraft as well.
David
Cactus42 said:
That won't work, It has to download the maps themselves from Google Maps and the GPS uses the web to assist it.
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No, GPS will work fine offline and My Tracks will be fine without any data connection. I've personally tried that, you just won't get an overlay but it'll record the tracks. You can see the track later with an overlay on My Tracks or on a computer.
what may happen is the google maps crying "need data connection" though. So you'd be better off installing the brut.mod anyway
got the brut mod.
anyway to download maps for a place before i actually go there? ot my sd card i mean so brut has all the maps anyway
1) I don't use a data plan on my card. Can the GPS work without a data plan on Google Maps?
2) I've seen a few offline maps apps. If I use one of those, will GPS work independent of internet/data access on my phone? (same Q as the first but about offline maps apps)
3) Is there any offline maps app providing turn-by-turn navigation? (m sure it'd be paid! )
1. No as Google Maps aren't stored on the SD card, they're downloaded as you go
2 & 3. Yes, if you have an offline navigation client it should work. E.g. CoPilot
So it uses data only to download map data, right? GPS "Positioning" or "navigation" is not charged for data/subscription?
thehrushi said:
So it uses data only to download map data, right? GPS "Positioning" or "navigation" is not charged for data/subscription?
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It is like you use the gps for cars, your phine receives the data from sattelites so it doesn't use the 3g or anything else "data plan".
Obviously, the use of gps sattelites is free but you need an offline map to be able to see where you are on Earth ^^.
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Imho:
Navigon and iGo are currently the best navigation apps for android.
I chose iGo for better maps coverage where I live (central europe).
For offline google maps, search google or this forum for brut maps. Or something like that. I forgot the exact name, sorry. But once you try navigating with one of the above apps, you'll forget it too ;-)
Actually lots of reviews sites such as this one say that Sygic or Copilot is best application:
http://mobile.jack-frost.co.uk/android_sat_nav_apps.php
Thanks a lot for your help! I'd definitely try those apps out!
spile said:
Actually lots of reviews sites such as this one say that Sygic or Copilot is best application:
http://mobile.jack-frost.co.uk/android_sat_nav_apps.php
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I have tried them all (but Copilot), and I still think what I have written above.
I don't understand how iGo gets a lower rating than, say, Sygic... ;o)
You can use Google map's brut mod for offline navigation.
You have to explicity enable maps caching after u install the app and then have to load map once. Next time it will be loaded from cache.
Google Turn by Turn navigation works fine but u need data connection to get directions for the first time.
check my blogpost on it.
http://levelx.me/technology/google-maps-android-worldwide-navigation/
I placed this question on the nexus portion, only because I have a nexus and it might effect the answer (even though the question is more general)...so here it goes
With the new option to download maps (or part of them), do you need to use your dataplan to use navigation? Am I correct in thinking GPS is separate from your data plan? I mean, I dont pay for my garmin. It just picks up a signal and uses maps already installed.
The thing about android is that the maps ARENT installed. But wasnt there a new option to pre-download certain parts of a map in JellyBean?
Yes, you need data for navigation. You can use Wi-Fi and cache the needed maps before you travel, then no need for the network data
You can download the maps before leaving the house, and you can start navigation route guidance before you leave and it'll be downloaded, but if you change the destination or go off the path and need recalculating, it won't work. It doesn't have all of the maps and turn-by-turn data downloaded, just the map tiles/vectors for the area you cached. If you need true offline maps and navigation you'll have to consider one of the paid apps that let you download everything ahead of time.
So to answer your question plainly: you can cache large portions of maps (several square miles in size), but you can't download huge areas or navigation information.
Also remember that without an active data connection, GPS takes a damn long time to lock on.
I have a 2013 Nexus 7 LTE model with 5.1.1
Two questions:
1. On google maps how do you know if it has a GPS fix?
2. I've downloaded a local area on google maps for offline viewing, but without data when i tried to see if the map will follow me, the gps was just not following me. Randomly it will hop places but wasnt following me. For Google Maps GPS to work, do I need data itself? I thought the GPS is provided by the GPS and maps was just data which i downloaded for offline viewing.
ahmed123 said:
I have a 2013 Nexus 7 LTE model with 5.1.1
Two questions:
1. On google maps how do you know if it has a GPS fix?
2. I've downloaded a local area on google maps for offline viewing, but without data when i tried to see if the map will follow me, the gps was just not following me. Randomly it will hop places but wasnt following me. For Google Maps GPS to work, do I need data itself? I thought the GPS is provided by the GPS and maps was just data which i downloaded for offline viewing.
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I never used Google Maps (but Navigator). If application hops, it seems, that location is calculated via WiFi and GPS does not run properly.
To understand, whether GPS is running properly, install "GPS NMEA" from playstore (https://play.google.com/store/apps/details?id=com.ppillai.gpsnmea). In "NMEA Raw Data" you will get information about the data provided by GPS-controller. How to read NMEA-string, ask Wikipedia.