Questions tagged [gpx]

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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140 views

Computing the similarity between tracks

I need a way of comparing two tracks (they will most likely be GPX files), i.e., 2 arrays of lat-longs. I need to write some code that will compare the two arrays and give me a measure of how close ...
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236 views

PostGIS for GPX analysis

I have GPX trails of vehicles/bikes of a particular city. Meaning, lat/lon, timestamp of bike trails from where a particular bike started and ended at different hours of the day. I have sets of these ...
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2answers
794 views

Command-line utility to convert GPX into KML?

I use Cycle.travel to draw cycling routes. However, the Android application I use on my smartphone only supports KML. As an alternative to GPSVisualizer, I tried the command-line utility GPSBabel, ...
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37 views

Find the theoretically fastest route based on many partially overlapping GPX tracks

Between the points A and Z in a city, there are several possible routes that may partially overlap or cross at crossroads (such as A→B→C→D→Z, A→J→C→D→Z, A→K→C→L→Z, A→M→N→L→Z, etc.). This may be ...
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105 views

Problems when converting KML files to GPX

Looking at the KML and the GPX file that I created (in QGIS through 'Save as'), in QGIS it looks as if the lines are all right (picture 1), but when I open it in another type of GPS program like ...
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167 views

Exported GPX shows reference points in Google Earth

My gpx files show reference numbers in Google Earth. I have been exporting gpx files from single part ESRI shapefiles. The files work fine, only they show some sort of reference Points in Google ...
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2k views

Convert GPX/KMZ to google maps directions

Is there a way to convert a set of waypoints in a GPX/KMZ file to driving directions suitable for Google Maps. There are numerous sites listing community generated routes which I am unable to load ...
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468 views

Add telemetrics to gps file format

I've created my own data file using gps information and loads of sensor data. I'd like to create a gps file which will add this information to the geographic location. Unfortunately most common gps ...
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458 views

Compute for shortest/perpendicular distance between track point and centerline

I am working on a python school project that uses gpx tracks from different devices. Latitude, Longitude, Elevation and Timestamp are the only information that are constantly available. HDOP, Speed, ...
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170 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 GPX-...
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216 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 ...
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22 views

Upload waypoints to OpenStreetMap

I want to upload waypoints recorded in the Maps.me App onto openstreetmap.org for further editing. Already tried: Export from Maps.me to .kml then conversion to .gpx with QGIS (second try with ...
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48 views

Converting QGIS vector layer to single track that can be used in Garmin Basecamp

I would like to export a vector layer from QGIS into a GPX file consisting just of a single track. I can export the layer, which in QGIS shows a cycle route, i.e. a single line, in GPX format. I think ...
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24 views

GPX driver not working with vsicurl

I want to access a couple of GPX files online to extract the tracks and waypoints for some feature classes. When I download the files, ogrinfo (version 2.4.1 on a Mac)works fine. ogrinfo /Users/...
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154 views

Fail to upload gpx to Garmin GPS (GPSmap 60CSx) from Linux using gpsbabel CLI

I am trying to upload some gpx data (GPX XML format) to a Garmin GPSmap 60CSx unit using the gpsbabel (v.1.5.4) command line interface for Linux (Ubuntu 18.04). I followed instructions from the ...
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33 views

Merging bunch of tracks into fewer?

The following OverpassTurbo query for train routes in Sicily, Italy, returns ten's of tiny tracks: [out:json][timeout:25]; //Sicily: 39152 rel(39152);map_to_area -> .searchArea; ( node["...
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414 views

Compress GPX file

I have a .gpx file with a size of about 20MB. I want to load this file into a bicycle navigation application but somehow the file seems to be tool large. Are there ways to compress the file? In QGIS ...
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412 views

QGIS: How to plot a GPS track color-coded by the altitude (or any other value like speed, …)?

I have GPX files recorded from various treks. I want to plot them on a QGIS map and have the color of each track segment modified by the altitude recorded. An idea of the result I am looking for is ...
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263 views

QGIS GPX to Area and Perimeter

For a test I'm looking to a way to get the added/extendet geometry columns ( Vector menu -> Geometry Tools -> Export/Add geometry columns) for a GPX file. The function Export/Add geometry columns ...
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61 views

How can I finish my incomplete GPX tracks?

I have some incomplete GPS recordings. For whatever reason, the tracks weren't recorded , so there are some gaps in it. I could easily use the satellite images using QGIS software. So I would like ...
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393 views

Importing .gpx/.shp file via ogr2ogr into postgis db

I have a file with lines that make up the european coastline, and I'm trying to import it into my database. This is what I tried: ogr2ogr -f "PostgreSQL" PG:"host=localhost user=postgres password=...
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638 views

Convert SHP to GPX with predefined SHP style in QGIS

I had defined graduated style in QGIS for points contained in shp format. I had saved this style in sld and qpj format so now I am able to open shp in QGIS and it automatically loads its style (I am ...
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31 views

Cannot save GPX files in ArcGIS Online and make them to perdure in My Content

I am trying to use a sample.gpx containing 2,913 records and lat, lon, name, cmt and type per record, but uploading it into ArcGIS Online (Public account) and works fine at the very beginning, in ...
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257 views

Parse GPS track data into 10 sec intervals

I have a GPX track containing latitude, longitude and elevation data. The recordings are done by a Garmin device and have been recorded in varying intervals (between 1 and 44 seconds). I would like to ...
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98 views

How to attach timestamp to single track (not points) in GPX file

I'm trying to build a Torque visualization with CartoDB based on a GPX file I received from a third-party. Unfortunately, it doesn't seem to be formatted quite right as the trkpts don't have ...
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206 views

Recorded track capacity of Garmin eTrex n0 devices

I am interested in purchasing a Garmin eTrex 10 or 20 primarily for geotagging the photos I take on holiday, although I suppose the other features might come in handy as well in the future. When using ...
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30 views

Include <link> in GPX when writing from ogr2ogr

http://www.gdal.org/drv_gpx.html seems to indicate that ogr2ogr should be able to write <link>[1] elements into a GPX file, however when using ogr2ogr to convert from PostGIS to GPX, I get the ...
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628 views

Deriving length values from GPX files in QGIS

I’m missing something real obvious and I apologize for revisiting a topic addressed in several Q&A’s here. I’m an experienced GIS user (not programmer) who’s new to QGIS (can’t afford Arc in ...
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91 views

Why does KMZ to GPX reverse the objectid?

I am working on KMZ to GPX conversion and every time I use the data interoperability extension and quick export it seems to reverse the objectid, now my 1st waypoint is the last placemark point of the ...
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1answer
564 views

Adding more waypoints to GPX file?

I have some GPX data for flights I've taken, but the waypoints are very intermittent - often times 100's of km apart. I have an app called Fog of the World which I use as a hobby to track the places ...
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37 views

GPX track not show in Leaflet map

I would like to display a map featuring both a marker and a track, the latter loaded from a GPX file on my local machine. I have been trying to use the leaflet-gpx plugin but since I am totally new ...
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34 views

Leaflet controls unchecked when initialized

I'm creating a leaflet map with multiple (gpx) tracks loaded via an ajax call. The tracks are organised in categories so the user can switch which tracks he wishes to see. The problem I have is ...
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12 views

Does GPS tools plugin change attribute table?

I am using QGIS 3.4.14. To inport a GPX file I usually just drag it on QGIS surface, and there I have my GPX layer with a complete attributes table (ID, elevation, time etc., plus some empty columns). ...
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25 views

Uploading GPX file to website and displaying it visually

I'd like to create a file upload button and then print the resulting gpx file on the map, could anyone have a look at this code to see where I'm going wrong? body: <form action="/action_page.php"...
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2answers
37 views

Change measuring frequncy of gpx file

I need to change the measuring interval ("resolution") of tracks in gpx files. The reason is that I want to try a QGIS plugin that requires a specific interval. I took a look at gpsbabel but from ...
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51 views

Issue creating a GPX file using GeoPandas

I am trying to write a GPX file using GeoPandas and Fiona. gdf = gpd.read_file('data.shp', headesr= None) gdf.to_file('data.gpx', 'GPX') The geodataframe created still having the column names. First ...
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23 views

What are the standard <type> values for <trkpt> in a GPX file?

From the documentation - https://www.topografix.com/gpx_manual.asp#type, I see one mentioned - "Hiking Trail". In another question's comment, I found out that another possible value is "wptType". ...
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51 views

Import OSMAND tracks in QGIS

I would like to import GPS tracks created in osmand to QGIS. First, I exported the tracks in gpx format from OSMand. then I tried using the vector-->GPS tools --> load GPX file dialog. The file is ...
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1answer
97 views

Loading a GPX file using OpenLayers 2

I am trying to read a gpx file and add it as a layer to Open Layers. Here is my code snippet osMap = new OpenLayers.Map({ div: "map", maxExtent: extent, resolutions: ...
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207 views

How to plot elevation charts from a GPX file that has elevation data

Is there a service or package that converts a GPX file into an elevation chart? I need either a CLI, a Web API, or a library/other software that could be wrapped up as a small service. The GPX ...
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28 views

GPS file categorizer

Do you know a software tool that can categorize/group GPS track files based on the location of its points? I need a tool (standalone executable, script or QGIS extension) which I can feed a list of ...
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39 views

Simple workflow for a GPX track export from GIS data, avoiding illogical geometry (on QGIS)?

GPX exports from GIS information are difficult, because a normal dataset - made of a number of separate line features - does not specify the order in which lines should be interpreted. A good GPX ...
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40 views

How to show only selected features in ArcGIS Story Map

Is there a method to show only a select number of features within a layer in an ArcGIS Story Map? I have to add a .GPX file to a Map Journal style Story Map and am unable to do any processing on it. ...
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53 views

GPSBabel KML document has incorrect name

I'm using GPSBabel to convert GPX tracks in a directory to KML linestrings using the following: @ECHO OFF setlocal for %%i in (C:\Users\...\*.gpx) do ( gpsbabel.exe -t -i gpx -o kml,points=0 %...
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631 views

Convert CSV GPS Logs to GPX on Android (GPSBabel on Android)

I bought a GPS Logger - a small device that will, while turned on, log the GPS Coordinates to a SD card every second. It has no display and no other UI than 3 buttons and a couple of LEDs. The Device ...
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475 views

Automate conversion from SHP to GPX file with Python

I've been trying to establish a method whereby I can automatically convert a shapefile to a GPX file using python, but having terrible luck in doing so. Currently the only method that i've come ...
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362 views

is plotkml no longer updated for current R release?

I am attempting to use plotkml to read gpx files and plot them using R. Many others have done this with great success. A few examples are below: https://www.visualcinnamon.com/2014/03/running-paths-...
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64 views

Problems with exported GPX track

I tried to export a track as GPX for my Garmin using QGIS. Here you can see the result: The original Track is saved as PostGIS multiline. I exported the track by "Save As" -> GPX, WGS84 (default ...
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51 views

Is there some kind of symbology saved in a GPX track?

I know there can we can save some kind of symbology for waypoints into the GPX files, but I began doubting about the track symbols. I checked the GPX format specifications but I wanted to make sure. ...
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257 views

Create GeoJSON polyline with elevation from a shapefile

Here is my situation: I have volunteers using smartphones to collect bike trails. These GPX files are a good start, but they need editing due to canopy cover, etc. I export these to shapefiles and ...