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Questions tagged [geolocation]

Geolocation is a means to discovering the physical location (in real-world geographic terms) of an object.

2
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1answer
158 views

How to move geolocation in OpenLayers 5 programatically

My geolocation in OpenLayers is incorrect by more than 5000 meters. I want to correct this issue, how can I programatically move my geolocation to the most accurate location? Or is it even possible?
1
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1answer
439 views

Displaying markers within viewport for different country in google map?

I have multiple location. One is from Netherlands and one from India. How to display both country marker in google map view port? Currently only Netherlands markers are displayed. So I have to drag ...
1
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1answer
44 views

User tracking on a defined route

I am having a vehicle route with a set of latitude and longitude values. User need travel on the specified route, If user deviates from the route (Grater than 100 meters), we need to identify in which ...
0
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1answer
73 views

Is there a way to Collect Lat-Long in a Google Docs Form by adding script?

So I need am trying to figure out a way to collect Lat long data and have it saved automatically when I fill a Google form on my phone. Is it possible as retracing address to plot is not possible for ...
0
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1answer
48 views

ISO 3166-1 alpha-2 Country and region location in coordinates

I am doing some mapping that requires country and region average coordinates. I've found this very useful table with the coordinates of countries, their ISO 3166-1 alpha-2 code and the average ...
0
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1answer
214 views

How external GPS can feed HTML5 geolocation API for django-leaflet

My goal is the following: I'm developing a Django project. The goal is to locate places with a form. I'm using a CreateView generic view (maybe I should create it manually for more customization. 3 ...
0
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1answer
33 views

Avoid overwriting the style of a marked cell in Leaflet & Javascript

I have a system where I mark cells with different colours if a geoposition has been obtained within a cell. My issue is that due to the continuous update of geopositions, cells that were marked with ...
7
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0answers
5k views

Downloadable, Open Source, IP GeoLocation database

I have an open source project I need a similarly open source IP GeoLocation database for. i.e. IP address to country (and ideally city). Ideally with a license that allows redistribution. This is a ...
6
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0answers
703 views

Translate Orientation from Sensor data to Geo location

I am tracking a device that might loose GPS signal then and there. And when the GPS signal is too low, I should use the accelerometer and Gyroscope sensors data to guess which way they should have ...
3
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0answers
572 views

Warping Image having Lat Lon Geolocation array

I'm trying to implement a script to project an image having the two matrices of Lat and Lon points. I've followed the steps proposed in: Unable to warp HDF5 files and everything is fine. I create the ...
3
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0answers
656 views

Get all locations of Panoramio photos in a given extent

To create a visual quality heat map I'm trying to get a list of all Panoramio photos in an about 2000 Km2 wide study area. My idea is to perform a density analysis in GIS on a point shapefile ...
3
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0answers
59 views

Algorithm for estimating position of many objects and differentiating those?

Let's assume a crowd-sourced tree location use case where a research team asks hikers to GPS the location of a specific tree type in case they encounter it. This will lead to a large number of ...
2
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0answers
126 views

GDAL, Geolocation Arrays, and Overflow Error?

I'm trying to use GDAL to create raster images from NOAA GSIP L2 data products. By looking at the provided NetCDF files from NOAA, it appears that geolocation arrays are provided. I tried following ...
2
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0answers
94 views

Can someone point me what's the type of encoding used in

I am trying to understand the type of encoding used to represent a poly line on earth from here.com Platform Data Extension service requesting ROAD_GEOM_FC layer. "LAT":"5013674,12,12,16","LON":"...
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0answers
124 views

How update location field (geometry) in Oracle Spatial using asp.net web application?

I want to update a geometry column in Oracle Spatial database via Asp.net web application, I couldn't find samples for update query or datatypes that can hold geometry data in asp.net. I use C# for ...
2
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0answers
406 views

Using Python-Flask-MongoDB with Geolocation field running on App Engine?

I'm trying to write an app which would act as a address caching API, so basically it needs to store addresses (geolocations) and later on I could query on a random address and radius and get all the ...
2
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0answers
635 views

how to transfer GPS device coordinates into mobile android app?

i'm trying to make an android app that collects data field in high accuracy, since the phone native GNSS doesn't provide highly accurate coordinates, i want to use Coordinates provided by a real GNSS ...
2
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0answers
2k views

Getting random coordinates based on country

Are there any webserveices/APIs that can take a country name and return a random coordinates (not including the sea/ocean sections) inside that country?
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0answers
136 views

project hdf file with geospatial_lat and lon in batch process

Is there any way that I can do a batch process in projecting hdf files wherein I could get and include only the geospatial_lat and lon in the batch script since every hdf file have different ...
2
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0answers
2k views

Geofencing: Query if a POINT is within a POLYGON

I am trying to use the following query to search if a point is within a defined POLYGON (aka a geofence I want to define): https://spatial.virtualearth.net/REST/v1/data/[DataSourceID]/[...
2
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0answers
232 views

Location API works, but neither Google Maps, not Here maps can not find location

I used Holux M-241 as GPS receiver. On Windows 8.1 I installed GPSDirect drivers, and now can see my location on PC. I tested that Location API can access to gps data (I used this Mozilla Developer ...
2
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0answers
218 views

Geolocate stores inside a mall?

OpenStreetMap lists the malls in Albuquerque, but not the stores inside these malls. Using the in-mall map/directory, wouldn't it be easy to add stores inside the mall? Is anyone doing this? ...
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0answers
27 views

Construction Lines offset when added to fabric

We use geo-positioned CAD data then copy paste survey accurate data into our Parcel Fabric. When we convert them to new parcels, the points move off the correct location by two to 5 feet. What ...
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0answers
28 views

How can I access the user's location in my Google Earth Engine script?

I'm working in Google Earth Engine and I want to access the user's location to then be able to use the position when visualizing data layers. When running the code below, GEE doesn't seem to be able ...
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0answers
30 views

Determine geograpic coordinates from one fixed location as accurately as possible without expensive hardware

I build a GPS disciplined oscillator and I need to set antenna coordinates in order to be able to operate it as accurately as possible. What I need is a way to determine the geographic coordinates (...
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0answers
181 views

standard for generating a geolocation error ellipse from lines of position/bearing

Given SEVERAL points, where each point is a line of bearing (LOB)/line of position, and thus each point consists of a (1) latitude & (2) longitude position on the Earth's globe that this LOB is ...
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0answers
903 views

Want to access android location services in a leaflet.js project running in a webview

I am running leaflet.js project on my android app using a webview. Everything is great but for current user location leaflet uses GPS because it runs in a webview and as we know webview is extention ...
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0answers
155 views

Not able to figure out what is wrong with geolocation or projection in upoaded raster

I am working on VIIRS SDR dataset. I had different layer of Brightness temperature, latitude and longitude in given .HDF5 dataset. Using reference from http://geoinformaticstutorial.blogspot.in/2014/...
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0answers
53 views

How to include long.vrt and lat.vrt into bt.vrt as x-dataset and y-dataset respectively, Using python?

I am using following code to create bt2.vrt file using python. import numpy as np import gdal from gdalconst import * import osr # Function to read the original file's projection: def GetGeoInfo(...
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0answers
36 views

Interpret terrain type from height data and/or geolocation

I have downloaded a large subset of the STRMGL1 Dataset, and have further split each entry down into 5km by 5km tiles. I now need to start classifying each tile by terrain types. Are there any ...
1
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0answers
561 views

Retrieve geolocation and image url from Blob in MySQL

I have a web form that collects three items: name, notes, and a geotagged img and stores it in mysql. The image is stored as a blob. I would like to scrape/access the blob's geo-location properties ...
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0answers
370 views

GIS data visualization

I have a huge data set with geolocation information. I am trying to visualize the data but the tools cannot handle such a big graph. Size of the file is about 5GB and has more than 3 million rows. ...
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0answers
1k views

Achieving more accurate geolocation

Currently, I am using Google Maps API with HTML5 geolocation to create a POC about asset tracking via a web service. The user opens the web browser and we track it from there and display it on an ...
1
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0answers
203 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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0answers
27 views

Adding Composite Geocoding Database

I'm following an MIT tutorial I found here: https://libraries.mit.edu/files/gis/geocoding.pdf, to try to add a locator to ArcMap. However, as I am not an MIT student, I cannot get to the step where I ...
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0answers
97 views

photo2shape QGIS 2.1x

I'm stuck on a problem with photo2shape in QGIS 2.1x (I already tried several versions). I installed Exif Reader and photo2shape worked fine for me. Since last week QGIS crashes as soon I start ...
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0answers
431 views

How to directly get a Google API map based on a cell tower object

How do I pass a cell tower object to the Google Maps JavaScript API or Embed API to get a map for wherever the tower happens to be? I realize that I can accomplish the task in two steps by first ...
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0answers
93 views

Free Tide prediction service - World (a freeware program would work as an alternative)

Is there a free service where I could input a GPS location and it would return me the current tide situation at the position? As an alternative - some library / program that does the exact thing one ...
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0answers
322 views

Geolocation Ptojection Transform is not working for custom coordinate system

I am using Openlayers API and I have a custom projection and I defined it to my geoserver named "EPSG:51100". I have a custom tile map. var tms2013 = new OpenLayers.Layer.TMS("2013", "http://...
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0answers
10 views

Well Locations in NAD27 do not overlay well locations on aerial or satellite images, i.e. Google Earth

Well Locations in NAD27 do not overlay well locations on aerial or satellite images, i.e. Google Earth. Computations are based on accurate locations and would like to know if it is better to place ...
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0answers
62 views

How to create a map-based survey with drag-drop capability?

I am an urban planning master student. I need to create a map-based survey for my research. The survey should allow users to drag some different points from the toolbar to the map showing next to it. ...
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0answers
15 views

Get exact address of mobile device using geocoder

I have been trying to get exact address of mobile device using geocode. Here is my code function showPosition(position) { debugger; console.log("Latitude: " + position.coords.latitude + "<br>...
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0answers
33 views

Is the accuracy or PDOP included in smartphone or GPS camera?

I would like to properly geolocate picture Exifs on a smartphone or GPS camera and would like to record the accuracy of the GPS position as well. I have downloaded a few photos from camera review ...
0
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0answers
118 views

Display and manage (CRUD) point cloud in (Geo)Django 2

I would like to use GeoDjango to Geolocate the place I will scan. Would start to 3D scans with a DIY lidar based on Arduino/Rpi. So far no worries. Then, The Goal is to save x,y,z as input in ...
0
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0answers
44 views

Getting error while assigning Geolocation to raster

I am using VIIRS imagery EDR dataset and trying to give Geolocation to Brightness Temperature layer by creating VRT files of Longitude, Latitude and Brightness Temperature layers given in HDF5 dataset....
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0answers
75 views

Finding River Lots in Alberta, Saskatchewan and Manitoba using QGIS?

I have to border farmlands in Canada (Alberta, Saskatchewan and Manitoba). Usually they give input in the form of DLS like SE-9-56-22-W4.So I use https://locator.scadalink.com/dls2latlng.html to find ...
0
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0answers
305 views

How to add heading to position using openlayers 3?

I've seen the geolocation with tracking example in OL3, what it does is it rotates the view depending on the heading of the device. I've done some research on the web and all what I've found does the ...
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0answers
2k views

Is 45005000 a recognisable location?

Hello and sorry if this is not a relevant question to this SE. Please if it is not, mitigate it to where you see fit. I have recently purchased an item online and I have been provided by the seller ...