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Questions tagged [latitude-longitude]

Angular geographic coordinates that specifying the north-south and east-west positions of locations.

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72
votes
5answers
38k views

Displaying coordinates and inputs as LatLon or LonLat?

I'm trying to get a sense if this is an issue for others or every input/output should be labeled so user is not confused and just go with it? I think almost everyone pronounces it as "LatLon". Who ...
0
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0answers
498 views

Ohio State Plane to Lat/Lon [on hold]

I've looked into a few other posts/libraries as far as converting between State Plane (Easting/Northing) to get a Lat/Lon value, however I've run into some trouble. I saw here (https://stackoverflow....
1
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0answers
13 views

Finding boundary coordinates of user current location with a given radius

I have my current lat and lng details { "lat": 8.561032, "lng": 76.846333 } And from this I need to build a boundary around me with given radius. So How can I get the boundary ...
61
votes
1answer
368k views

Calculating longitude length in miles

Suppose I have geographic coordinates of "Saratoga, California, USA" as Latitude: 37°15.8298′ N Longitude: 122° 1.3806′ W I know from here that in case of latitude 1° ≈ 69 miles and that ...
1
vote
0answers
51 views

ST_Latitude and ST_Longitude functions do not return exact values in MySQL [on hold]

I tried to collaborate on this question from the Stack Overflow site. The ST_Latitude and ST_Longitude functions (equal ST_X and ST_Y) of MySQL (version 8.0.17) returns a non-exact value for certain ...
3
votes
1answer
56 views

Changing degrees to meters

I'm using QGIS 3.4.9. When I try to create a heatmap the only radius option is degrees. Can you tell me how to change this to meters?
4
votes
1answer
2k views

Computing area of given polygon (in vector format) lying between specified lines of latitude?

I have species distributions (in vector format) and I would like to calculate how much of the area for a given species distribution is within certain lines of latitude, such as temperate and tropic ...
2
votes
1answer
33 views

How can I count the number of countries my GPS data fall into?

I'm working with GPS data in R from different studies and would like to list the countries that each study covers. I can easily map the data using leaflet but I'm not sure how to extract the countries....
2
votes
1answer
74 views

Longitude and latitude in aviation

I have two coordinates A = (60◦ N, 30◦ E) and B = (60◦ N, 150◦ E). I want to calculate the shortest possible route between these two points and also I want to know how far north does the route goes. ...
2
votes
2answers
50 views

Ignoring ellipsoidal heights recorded from GPS when only interested in location?

I am not interested in converting ellipsoidal height into AHD heights, because I have a good DEM. However, this whole business about geocentric vs geodesic coordinate systems is thoroughly confusing ...
1
vote
0answers
53 views

GeoPandas transform latitude/longitude coordinates to UTM coordinates

I have a shapefile which I read with GeoPandas, this shapefile has lat/long coordinates and I want to transform it to UTM coordinates. I tried this: shapefile = gpd.read_file('example.shp') #CRS = ...
1
vote
0answers
38 views

Mathematical rule to convert between degrees and centimeters based upon projection

I have some Tanzania drone imagery data in a local geographic projection EPSG:32737 that uses the unit of meters. Then I have other vector data that is in EPSG:4326 which is denominated in degrees. In ...
0
votes
1answer
41 views

Seeking ArcGIS Pro tool to get min and max latitude and longitude coordinates?

I am very new to ArcGIS Pro and have been struggling with getting the minimum and maximum latitude/longitude of an area in ArcGIS Pro. I am looking to get four coordinates of a rectangle that ...
0
votes
1answer
101 views

Find all regions (lat, long, radius) that contain a point

A Region has a latitude, longitude (GEOMETRY('POINT')) and a radius. Using postgis, how can I query all Regions where the distance from pointParam and region.point is less than or equal to region....
1
vote
1answer
670 views

Calculating distance between points crossing antimeridian using R? [closed]

How can I calculate the distance between two points (lon/lat) if any of the points exceeds the antimeridian (+-180 longitude)? I am using the distVincentyEllipsoid {geosphere} to calculate the ...
2
votes
1answer
110 views

Get coordinates from EXIF

I wonder if it is possible to know if with the EXIF ​​data of a photo you can get the angle with respect to x or y (latitude or longitude) to position it on a map. Or given the EXIF ​​data to ...
1
vote
0answers
59 views

Calculating direction for points (lon/lat) in a perfect circle (shape) north of equator?

I have perfect circles in lon/lat on a OpenLayers map. Near the Equator I locate each point on the circle using bearing-calculation for each point from circle-center. Meaning there are 360 bearings ...
1
vote
1answer
37 views

Unable to convert coordinate format

I am trying to figure out the format of the coordinate pair below. My task is to convert a list of these integer values into decimal degrees (below), but this is my only ground truth data point. ...
2
votes
0answers
36 views

Auto populating attribute table with lat and lon in QGIS

is there a simple way (without writing script or Python skills) to auto calculate and auto populate lat and lon attributes in QGIS? When I manually add new points or move existing points in my layer,...
1
vote
2answers
156 views

Converting large data with lat and long into X and Y?

I have 9888562 records in dataframe and I would like to convert my lat, long to UTM x,y. according to my code, I have used pyproj package but because my data are too much it takes a long time and ...
1
vote
0answers
24 views

Do extra zeros change the coordinates for decimal degrees?

At my work we require contractors to submit work reports in decimal degrees with 6 decimal places, i.e. the location of where they paved roads or put in a road sign. The question is, contractors have ...
0
votes
3answers
627 views

Service or way to input a table of lat long and return an output of street addresses?

The following website can be used to enter a single pair of latitude and longitude coordinates and return a street address: https://www.latlong.net/Show-Latitude-Longitude.html I want to get street ...
1
vote
2answers
106 views

Converting GOES x,y coordinates from a 2D fixed grid into latitude and longitude

I am working with some GOES data in Python and I want to grab latitude/longitude coordinates from the data. GOES' stores their projection data in radians under x,y variables that are used to project ...
1
vote
2answers
50 views

Calculate new coordinate based on distance traveled between two other coordinates

We have two coordinates (latitude, longitude) and let's assume we want to travel along a straight line between them. After traveling a certain distance along this line, we would like to calculate a ...
1
vote
0answers
32 views

Converting latitude/longitude into a slab number (or item number) and vice versa?

Purpose: To compress the data transmission for the longitude and the latitude. Initially these datas are in the form DD.MM.mmmm: degrees, minutes, ten thousandths of a minute. Latitude stands under 28 ...
2
votes
1answer
150 views

Getting different resolution between horizontal/vertical directions, from lon/lat to openlayers map?

I draw several points of Lon/Lat(EPSG:4326) on the OpenStreetMap v 4.6.5 (EPSG:3857). It seems like the distance between the points are closer in the Latitudinal direction then in the Longitudinal ...
1
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0answers
49 views

Move polygon to new location (find new lat-lng coordinates)

I need to move my polygon (region of geographical area) with 4 different (O1, O2, O3 and O4) lat-lng coordinates (as shown in the figure) to another place, so that I get new values of all 4 lat-lng ...
0
votes
0answers
87 views

NotImplementedError: Wrong number or type of arguments for overloaded function 'CoordinateTransformation_TransformPoint'

Hello I am new to working with GeoTiff data and I am trying to grab lat/lon values from a tiff image. Here is my code: import gdal import matplotlib.pyplot as plt import osr # open the dataset and ...
2
votes
1answer
136 views

Identifying coordinate systems of racing circuits? [closed]

I have some "latitude" and "longitude" data that describes the Silverstone motor racing circuit in the UK. The coordinates look something like this: latitude longitude +03124.27986 +00061.07652 +...
2
votes
2answers
124 views

Get latitude and longitude differences by clicking in two locations on the map

Is it possible in QGIS 3.x to click in two places on the map and to get back the X and Y distances between these two locations (latitude and longitude differences). I was hoping there is a plugin ...
3
votes
1answer
498 views

Find if lat/long point is inside an area

I have got data using OpenStreetMaps Ways of many areas. I would now like to write a function which would return "true or false" if an single latitude/longitude point is found in that area or not. I ...
3
votes
1answer
67 views

Creating 1 hectare Polygons given latitude longitude in Python

I'm trying to work with openweathermap's Agromonitoring API. To use their API you have to create polygons representing your area, then you can request weather data, soil moisture etc for that ...
1
vote
0answers
105 views

Plot large batch of points without coodinates or geocoding

I have a list of 50,000 addresses with no Lat/Lon data. I would like to plot these points over a boundaries shapefile. Most geocoding services limit you to 2,500 - 15,000 geocode without paying. Is ...
4
votes
2answers
218 views

Extract Latitude/Longitude from polygon vertices on QGIS

Created a global map by adding the OpenStreetMap and WorldMap layers in QGIS. Drew polygons over that, creating what I believe is a polygon layer. I've also created a layer of the Nodes/Vertices of ...
8
votes
4answers
2k views

Formatting longitude/latitude in arabic language?

How should longitude and latitude be properly formatted in the arabic language? e.g. how should the following coordinates be displayed in arabic language: 40°26′46.23″ N, 79°56′56.12″ W?
439
votes
7answers
377k views

Measuring accuracy of latitude and longitude?

I have latitude and longitude as 19.0649070739746 and 73.1308670043945 respectively. In this case both coordinates are 13 decimal places long, but sometimes I also get coordinates which are 6 ...
2
votes
1answer
1k views

Mapping Longitude and Latitude to US state

Is there any database (Gov data or private) or web service that map Longitude and Latitude to US state? I have the specific Longitude and Latitude of a location and would want to identify the state ...
0
votes
1answer
153 views

Getting latitudes and longitudes in between start and end coordinates and spaced at equal distance

I have a csv file which has the latitude and longitudes values , I need to find the coordinates in between the start and the end latitude and longitude which must be equally spaced at the interval of ...
1
vote
1answer
135 views

Find in between coordinates for the given latitude and longitude from a CSV file

I have a CSV file which has the latitude and longitude values for the start and the end coordinates as follows. In these the first lon and lat values are the start point then the second coordinates ...
1
vote
0answers
243 views

Road Extraction from Latitude and Longitude using Google Maps API? [closed]

Google Maps API allows grabbing roads for individual latitude and longitude specifications (or the nearest roads if the point/s are not on a road). However, the way it requires data to be entered for ...
1
vote
1answer
74 views

Get Row/Column of Latitude/Longitude

I downloaded Sentinel-2 Imagery from AWS & I'm using rasterio to read/manipulate the data. I want to find the row/column coordinate of a latitude/longitude point that I initially used to search ...
3
votes
1answer
116 views

Meaning of abbreviation BLH?

I cannot find anywhere why BLH (where B is geographical latitude, L geographical longitude and H is elliposidal height) is called BLH. The origin of the letter H is clear, but what about B and L? ...
6
votes
1answer
4k views

Add distance to a latitude or longitude

Say I have a latitude of 38.802610 and a longitude of -116.419389 and I want to be able to add a distance to that, 20 miles for example. So far I have came up with a rough idea on how I would do this:...
6
votes
2answers
1k views

Transforming data from a rotated pole lat-lon grid into regular lat-lon coordinates in QGIS?

I am working with data from a numerical weather model, the output of which is given in grid cells where I have the lat-lon coordinates of each cell's center point. The lat-lon specifications are, ...
1
vote
0answers
40 views

Calculating latitude and longitude fields using PostGIS? [duplicate]

I have a shape in PostGIS that has 2,658,061 records (points). I need to create a field that is called "Latitude" and another that is called "longitude" and calculate a position in WGS84 (SRID: 4326)...
0
votes
2answers
2k views

Getting latitude and longitude raster from DEM using ArcGIS Desktop?

Could anyone provide with a way to calculate latitude and longitude from DEM, for each raster cell? In previous posts about this, I have seen that some suggest calculating lat and long in certain ...
1
vote
1answer
575 views

Comparing points (latitude/longitude) w/address data (zip) to zipcode boundaries shapefile using QGIS?

I have a bunch of 'points' in a csv that contain a zip code and lat/long coordinates. I also downloaded the ZCTA boundary data from the census website. I successfully imported the point layer on top ...
2
votes
2answers
154 views

pyproj EPSG:4326 converts degrees to radians

Case My input is a point given as x, y and an SRS name which specifies how to interpret the numbers. My goal is to convert these into lon, lat in degrees. I convert this by using this piece of code:...
1
vote
0answers
75 views

Shift a lat/lon coordinate based on a distance and direction?

I have a coordinate in (lat/lon). I want to find a new coordinate shifted from this point by 'x' meters in the direction given by a compass bearing (degrees). The distance offset I am hoping to ...
3
votes
0answers
593 views

Converting KML coordinates to Leaflet

I am trying to convert a Google Map KML file to a csv, to map the longitude and latitude points on Leaflet. But the coordinates keep mis-projecting and some end up off the land mass. The steps I have ...