GPS eXchange Format is an open non-propietary GPS file format free from license restrictions used to describe waypoints, tracks, and routes. Its tags store location, elevation, and time. Outside of Esri, it is the defacto standard for exchanging GPS data between applications.

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Why does my gpx layer go to the wrong spot even if they have the same CRS?

Help! I am a QGIS beginner with a big problem! I am trying to load a gpx file from Garmin into my map. The project CRS is WGS 84, and the incoming data is in CRS WGS 84. When I look at the bottom of ...
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0answers
269 views

export from .shp to .gpx and .kml fails

I've just upgraded to QGIS Dufour and I am having some problems with the exportation of a simple track from .shp to .gpx and .kml format. I imported from mi smartphone a .gpx track (SR WGS84 ...
2
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2answers
873 views

Read gpx track points in QGIS

I want to read GPX track points with their time stamps into QGIS. I try GPS Tools, GPX Conversions, Waypoints from a track. This fails on my PC at office (QGIS code revision d94c044). Sometimes QGIS ...
3
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3answers
1k views

QGIS - Convert Vector points to GPS waypoints and route

I'm new here. I have a shape file with a series of points (around 300) using British National Grid. I need to put them on my Garmin Etrex 10 as waypoints. Can someone tell me how to convert this ...
2
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1answer
677 views

What are the units for Garmin's GPX gpxtpx:speed?

I have a Garmin Nüvi GPS and it's filled with XML records that look like this: <trkpt lat="38.900207" lon="-77.008990"> <ele>11.67</ele><time>2013-06-11T04:04:49Z</time> ...
3
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1answer
480 views

GPS waypoint mapping with android phone

I am a bat enthusiast and volunteer regularly with the local bat groups on bat surveys. In them we record bats with a bat detector - making a note of the different species (there are 18 in the UK), ...
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1answer
267 views

How do I get an accurate time attribute when importing a GPX layer as a vector

When I import a GPX file in QGIS (as a vector as track points) and I check the time attribute it appears to be 4 hours later than it should be. Interestingly when I take this same GPX file and use ...
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1answer
236 views

OGR2OGR workaround for gpx-json conversion bug

ogr2ogr produces invalid GeoJSON when multiple layers are involved (http://trac.osgeo.org/gdal/ticket/3842). For example: ogr2ogr -f GeoJSON "$f.json" "$f" tracks routes For me the bad GeoJSON ...
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2answers
507 views

View Waypoints in OSM

I have a GPX file with my waypoints. <?xml version="1.0" encoding="UTF-8"?> <gpx version="1.0"> <name>My Favorites</name> <wpt lat="-26.7183013" ...
4
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1answer
180 views

OSM personal points of interest

I use OpenStreetMap along with OSMand on my mobile device. I have personal points of interest on my map that I do not want to upload to the community. Currently I use Favorites in OSMand to save ...
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1answer
477 views

How to render GPX files in TileMill?

I want to show a number of GPX files in a TileMill map. Here's the process that I thought would work: gpsbabel -i gpx -f "$myfile" -o kml,lines=1 -F "$myfile.kml" Add as layer in Tilemill, style ...
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1answer
506 views

How to determine the most accurate elevation algorithm

I use an Android GPS cycling app to track my bike rides and I would like to get a reasonably accurate estimate of the total ascent I did on a ride. I understand that GPS is very inaccurate at ...
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0answers
21 views

Alrign Track from GPX file with roads [duplicate]

I'm looking into possibilities to align track data from a GPX file with known roads, perhaps coming from OSM. So far I'm able to show the tack as such on a map powered by leaflet. Since the app ...
3
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2answers
326 views

Extract PostGIS line features to GPX

I have a request to provide GPX files of certain trails (around 100) that are present in OpenStreetMap. Given a local PostGIS install with OSM data, I think the process would be something like: ...
3
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1answer
412 views

Programmatically manipulate GPX data

I need to do the following in Python open OSM & GPX files (I have packages for this) transform points from GPX (like stick a track to roads) calculate the results (distances, cumulative ...
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2answers
244 views

How to intersect shape files with elevation models?

I have a high resolution digital elevation model (DEM) and a line shape file displaying a bycicle track. The DEM has 1 meter resolution. The line shape is something like 25 km long. What I need is a ...
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1answer
746 views

How do I add elevation data to a GeoJSON line from a GPX file?

I understand that elevation can be added as an optional third value in Coordinates (lat, long, elev) in a geojson file, but I can't find a way to actually do that from a gpx file. I've used ogr2ogr to ...
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1answer
156 views

Why won't lines from GPX simplify/generalize/smooth?

I am working with GPX data. I imported them to ArcGIS by 'GPX to feature' and then I created lines from these points. I am trying to smooth (or simplify) the lines now, but the tools 'smooth line' and ...
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1answer
237 views

Any GIS program with GPX support and free hand selection tool?

I'm looking for GIS program that has good support for KML/KMZ or GPX route files and also has free hand selection tool. Right now I use 3dem and it would be perfect for my needs if only it had that ...
3
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1answer
797 views

How to merge Waypoints from many GPX files?

I have a large number of Waypoint-layers (gpx) and would like to merge them. Is there a way to do so using QGIS? Thank you!
5
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3answers
3k views

How to transform GPX-tracks into elevation-tracks with any GIS?

I have a GPS track in GPX format available from a recent bike tour and I need and want to do some analysis on the tracks. I'm wondering whether there is any way to transform the GPX data into an ...
2
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1answer
171 views

Are the public domain vehicle tracks available?

I'm looking for recorded vehicle tracks that can be replayed to (load) test my application. Is there such data available? Best would be a european data basis but everything else would do the job as ...
3
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3answers
373 views

Can one load multiple GPX files at once?

I have a whole bunch of GPX files that I need to load into qgis and loading them one at a time using the GPS plugin is a bit painful. It will not allow one to select multiple files -- is there ...
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1answer
1k views

QGIS - Save as GPX [duplicate]

I would like to convert .shp into .gpx. I tried to "save as" gpx but it gives an OGR error: creation of field ObjectId failed (OGR error: Field of name 'Name' is not supported in GPX schema. Use ...
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1answer
108 views

Shrinking the co-ordinates into a unique number [closed]

I have a bunch of data's in my gpx files. I would like to shrink those bulk data's(co-ordinates) into a single ID or sort of something. any suggestions?
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1answer
648 views

Save GPX from drawn feature in OpenLayers

I am trying to modify the Vector Formats example to only display the GPX in the textarea rather than all the options in the original example but I can't get it working. My code below currently ...
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1answer
4k views

How can I manipulate the timestamps in a GPX file?

I have a GPS tracked stored in a GPX file. Now I'm looking for a tool that allows me to set the start time of the track and the duration, and the tool should automatically evenly distribute the ...
1
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2answers
157 views

QGIS Holux gpx file doesn´t show up

I´ve got a problem with displaying the imported gpx file. The gpx file is created in Holux Funtrek 130 PRo. The map I use is from Openstreetmap, I am sure it is the right map from the location I ...
3
votes
2answers
1k views

Automating batch load of multiple GPX files into PostGIS

I've got 50+ GPX files that I would like to "batch load" into a PostGIS database. All of the track_points data would be loaded into a "track_points" table (with typical GPS fields like lat, long, ...
1
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1answer
167 views

Export GPS file in Lambert 93 for Illustrator manipulation

In Illustrator, i use some french IGN maps (1/50 000 scale) Lambert 93. I want to put on some GPX files to the right position for sure. I use QGIS to import the GPX file, i modify the reference to ...
3
votes
1answer
277 views

Join GPS points obtained from .GPX file in Python Console

Having loaded the .gpx file into a new layer from python console, I'm unable to access the gps points in the attributes table. Essentially, i'm unable to join these points to form a polygon ...
7
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1answer
188 views

Unable to load .gpx file from Python Console

I'm trying to create a plugin which will extract the gpx files and load them onto the active layer window in QGIS. While I'm able to load it using the QGIS GUI from Layer>New Vector Layer, I'm not ...
2
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4answers
250 views

Render a map showing lots of individual traces/routes simultaneously

Google's "My places" is great for showing lots of traces (in my case, paths representing bike rides I've done). But it only shows 20 or so per page. I'd really like a map (a statically rendered .png ...
2
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0answers
144 views

How to cut lines in a shapefile following a GPX-source?

I have a OSM-Shapefile containing all roads of a given area. I need an overlay cut out of this source-Shapefile that contains only some routes that I want to highlight on my map. I have some ...
4
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1answer
858 views

Elevation graph from GPX file

I've got many GPX files in the following format: <?xml version="1.0" encoding="utf-8"?> <gpx xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" ...
2
votes
1answer
987 views

Reprojection from WGS to Slovenian Gauss Kruger in QGIS

I have gpx file (track) in WGS84 (EPSG: 4326) coordinate system from Garmin GPSMAP 62 which is right projected in BaseCamp and MapSource. When I save track as *.GPX and import it to QGIS and use ...
8
votes
4answers
3k views

How to use Z-Coordinate in QGIS?

I was mapping an area in Namibia and also tracked a lot of paths on my way with my Garmin device... so I thought it would be nice to see height differences in my area (esp. interesting in the ...
3
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1answer
2k views

Import GPX file to QGIS and correct apparent CRS problems

I am using Easy Trails software on an iPhone to output a gpx file of a walk. When I import the file (import vector layer) to QGIS, into a project with OSGB information and the correct CRS for OSGB ...
20
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6answers
4k views

How to create a polyline-based “heatmap” from GPS tracks?

This winter I am planning to track my downhill skiing/snowboarding using a GPS. Most of my riding will occur at the same resort. I would like to be able to create a sort of "heatmap" that shows the ...
4
votes
1answer
142 views

Problem opening a shp in another application

I helped a colleague converting waypoints from a gpx file to a shape file. My colleague has only arcMap. I gave him the shp and when he opened it in ArcMap, it did not show anything in the attribute ...
8
votes
1answer
808 views

Why do vectors disappears when zooming in?

I have imported a .gpx file into qgis and separated the track waypoints using Vector > GPS > GPS tools. When viewing at full extent I can see the original track and component waypoints. However when ...
5
votes
2answers
253 views

How to download Leaflet vectors in GPX format?

I would like to use the leaflet.draw plugin to allow users to digitize vectors on the map. At the end the data should be downloadable as a GPX-file. Is there any sample that shows how this can be ...
19
votes
2answers
11k views

How to convert .shp into .gpx using QGIS?

I'm newbie using QGIS. I would like to convert .shp into .gpx. So, using Qgis, I open my shapefile and I tried to "save as" gpx but it gives an OGR error: creation of field ObjectId failed (OGR ...
4
votes
2answers
841 views

GPS-Plugin and Garmin data

I am an avalanche specialist and I use a GPS Garmin 62 for fieldwork. I for example use waypoints to measure snow depth in avalanches for volume calculations. When I add a waypoint in the garmin ...
3
votes
2answers
534 views

Is there a location where one can download all of the gpx files for OSM?

Where can I download all the gpx file in OSM.org website? Is there a package include all the gpx file? I don't want to download these gpx files one by one...
2
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1answer
2k views

Import GPX to QGIS with WGS84 [closed]

When loading a GPX-File in QGIS it is not referenced on WSG84. It´s shown with wrong coordinates. Settings are WSG84.
5
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3answers
2k views

GPS Datalogger with USB Interface and GPX Output

I'm looking for a reliable, robust and reasonably priced GPS datalogger, to measure time, distance on tracks. The logger should be reasonably priced but ready for outdoor activities. Mud, dirt, a ...
6
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1answer
5k views

Is there a way to export data with coordinates from QGIS to a csv file

I have saved waypoints from my Garmin as gpx and have successfully imported them into QGIS. Is there a way to now export the layers into a csv file with coordinates? I've tried the export to csv but ...
2
votes
0answers
158 views

From gpx to line segment 1Km using ArcGIS 10

I have gpx files containg points with attribute data such as time and date. I'd like to convert them into lines, and that is not a problem, but what I want to do is create 1Km segments with time and ...
10
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5answers
2k views

How to build a geographic database of GPS logs?

On our aerial wildlife surveys we typically generate dozens of GPX files, and usually convert most of them into shapefiles for display in a GIS application. GPX files are a terrific way of keeping all ...