Questions tagged [geolocation]
Geolocation is a means to discovering the physical location (in real-world geographic terms) of an object.
294 questions
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Calculating latitude and longitude from single constellation [closed]
I have collected the GNSS log using the GPSTest and GnssLogger android applications.
What I want to do is to calculate the latitude and longitude of my device's position from these logs one ...
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Identifying cities from city shapefiles with coordinate bounds provided in QGIS
In QGIS I have urban sprawl shapefiles showing the urban expansion of a few cities across the US. However, the attribute table does not provide city names or zip codes. Only city bounds are available ...
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ArcGIS Online Location Platform does not work anymore, how to fix?
I created a project in unity, in which I used the ArcGIS SDK to load Geo-Data into my project. After the Update in Febuary I am not able to use my in ArcGIS Online created layers and maps. I do have ...
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Query geolocation of an address with Overpass API
I would like to find the geolocation (lat/lon) of a given full address using OverpassAPI.
[out:json];
(
node["addr:street"="Hauptstraße"]["addr:housenumber"="1&...
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Converting latitude and longitude to coordinates within an image
I'm creating a game which involves fetching data from an API which gives me the latitude and longitude of some entities. I have a picture of size 1280x720 (zoom 100km / 50 mi) (I converted the image ...
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How to find colinear points given many points?
I have 20 points, 10 of them are roughly on an imaginary line, roughly equidistant from each other. This is a simplified version of a real world problem. The following Python script provides a ...
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How can I find out if a specific GeoLocation is on a motorway, in a urban area or outside a urban area (using OSM Nominatim)?
I have a list of geo-locations (latitude, longitude) as a track of a vehicle driving around the country. I need to find out how many kilometers did the vehicle drove on the motorway, inside urban ...
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Locating points along line using distance table in QGIS
I have a table of observations along a line (Road), with a distance of each observation point from start or from the last observation. I am looking for a method to locate the points from the table ...
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How to cluster and paginate data locations on a map
I have many data points on my map and want to paginate the results into a fixed number of results per page. What I need to figure out now is how to rank or basically decide which location goes to ...
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Display route layer between current user location and geocoded search locaton in Leaflet?
I would like to create a simple Leaflet app that zooms to the user location, and also to a location defined within the geocode search bar. Secondly, the app should show the shortest route between the ...
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QGIS LTR geolocate raster
I've a raster from Google Maps satellite view, also three visible geolocated points (not the corners) in UTM 18N (Garmin). Sorry, I'm blown away with the details in the 3.28 user manual. What please ...
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How is geolocation by buildings or landmarks in a picture done?
Since the war in Ukraine news media often try to geolocate the place where a video or picture was taken by looking at buildings or treelines present in the imagery.
Both Russians and Ukranians often ...
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Location doesn't display on QField (Windows 10 tablet using Trimble R2)
I'm using a R2 Trimble antenna with a Windows 10 field-tablet to collect data on QField.
However, I don't seem to be able to get the localisation working. It worked one day, and since then nothing.
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QGIS - expression join attrributes by location
I'd like to sum up values from a point layer in my polygon layer from points lying within the polygon.
I only found it with the processing toolbox, but that creates a new layer. But I just want to ...
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GDM2000 or CASSINI to WGS84
This is a Malaysia map and there is only two GDM2000 or Cassini.
I have no idea those label stands for what,
GDM2000(U, T)
Cassini(U, B).
https://dominoc925-pages.appspot.com/webapp/gdm2000cassini/...