A generic term for data recorded from a GPS unit which is not in a specific file format.

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2
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0answers
19 views

Recording track log in QGIS

I am using QGIS to record field data and also meandering field transects. When I was using ArcGIS I could turn on the tracklog function and a shapefile could be created of automatically generated ...
1
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0answers
22 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 ...
1
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1answer
37 views

What are some automated techniques for cleaning bad data from a GPS track log?

I have been having some problems with "bad trackpoints" in the track logs I've been creating, especially in bad signal conditions. In some cases these obviously jump miles away from the true location;...
3
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1answer
104 views

Video UAV Tracker for QGIS (2.14)?

I would like to view videos and my position on the videos' gpx tracks simultaneously and I would like to do it in QGIS. I know that there is a plugin for this but it was made for an earlier version of ...
1
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0answers
23 views

Filter GPS tracks to determine “Moving Time”

I am working with GPS tracks of outdoor activities, think cycling, running, hiking. These activities often have "rest periods" where people take a break, wait at traffic lights, or just stopped their ...
1
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0answers
48 views

Adding buffer to tracklog in real-time in ArcPad?

Hardware: Trimble Juno T41/5 Software: ArcPad 10.2 I am looking for a method or plugin for ArcPad that will help with spraying for noxious weed control, specifically a way to add a "boom width" ...
1
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1answer
131 views

Simulating historic GPS data on map [duplicate]

I have some really basic newbie questions. I have following data with me: ESRI Shape files (.shp, .shx, .dbf, .prj, .sbn and .sbx) KML/KMZ files GPS coordinates (~400k) of some cars (~50) tracked ...
3
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1answer
5k views

How do I convert a set of latitude/longitude coordinates with timestamps to a GPX tracklog?

Converting tracks from a GPX track to a CSV table or some other format is relatively easy, but I'm looking to go the other way. I have a table of point locations logged with a handheld GPS, with ...
0
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0answers
143 views

select by attributes in modelbuilder while using iterate?

I have crated a model that iterates GPX-files from a folder and works through it and gives me a raster as output with pixel values after how many tracks passes through each pixel. This works the way ...
4
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1answer
771 views

Calculating “travelled distance” of a GPS track without including “stops”

I have a set of GPS tracks from a cycling event and I want to correlate their distance along the route. Problem is: when a rider stops, generally by entering a covered place, GPS keeps logging (low ...
3
votes
1answer
254 views

How to calculate “stop points” from a set of GPS tracklogs?

I have a set of GPS tracks pertaining to a cycling event that happened in the same day. I don't have much geographical information about the event itself, except for the tracklogs I downloaded from a ...
1
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0answers
33 views

Dense data set of locations for flow analysis

I want to do some analysis on real world data related to crowd flows and now I am looking for a publicly available (or at least available to academia) data set of trackings in a crowd. The data set ...
16
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1answer
662 views

How can I statistically calculate the “real” road from a set of GPS tracks

I participate in a long-distance cycling club, and we started to collect GPS data routinely from our riders. My interest is to calculate "the real trajectory" for future events based on accumulated ...
6
votes
2answers
2k views

Storing GPS tracks with timestamps in PostGIS

I need to store a series of GPS points with timestamps in the database (traces of various vehicles). I am wondering which of two approaches to choose for storing them in the PostGIS table: 1.) Each ...
1
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0answers
63 views

“Flight recorder” for automobiles/motorcycles? [closed]

As I sat in traffic court last week for a non-moving violation, many of the cases were clearly he said/she said issues.. particularly with stop sign violations. I can easily see how this specific ...
27
votes
7answers
12k views

Is there a good GPS track analysis library?

I keep writing custom code to work with GPS tracks: GPX files and NMEA logs from my phone, dedicated GPS logger, etc. I feel like I'm reinventing the wheel and am wondering if there's some standard ...
5
votes
3answers
8k views

Rendering GPX track data into video?

I have two geeky passions while driving: recording GPX data to upload to OSM as well as recording on board videos like this one. Since these kind of videos are sort of boring for others to watch I was ...
4
votes
5answers
34k views

How to connect points with a polyline in ArcMap 10?

I have a layer containing a few hundred points representing a survey track. The points are laid out in chronological order in the corresponding attribute table. How can I have ArcMap 10 automatically ...
5
votes
2answers
2k views

Tracklogs to single line OR several lines to one line?

Setting: I have several trucks driving out of my factory delivering goods and coming back for more deliveries. These trucks are equipped with GPS so that they may return tracklogs to me. These ...
12
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3answers
386 views

Software for analyzing GPS tracklogs to extract human-readable placenames

I have a pile of GPX-formatted tracklogs for many countries where I've travelled over the years (the GPS-device has been continuously on and recording for most of the trips). I would now like to ...