Questions tagged [latitude-longitude]
Angular geographic coordinates that specifying the north-south and east-west positions of locations.
716
questions
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1answer
22 views
Convert from spherical angles to longitude and latitude
I have some images extracted from a radar from Austria and a formula for the projections (the exercice says The projection formulas map pixel locations to geographical coordinates), that transforms ...
0
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1answer
17 views
Applying the censusgeocode Package to an Entire Dataframe of Geocoded Data
I have a data frame of latitudes and longitudes. The goal is to apply the censusgeocode package to the entire data frame where our x is our latitude column and our y is our longitude column. After ...
1
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1answer
63 views
Create a bounding box from a lat/long
I'm trying to create a bounding box from a simple Lat/Long, given an increase size in metres.
For example, create a bounding box from X/Y which goes outwards 5000m at the NE / SW corner. (yes, this ...
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0answers
30 views
getting convert X and Y to lat and long
I have a table called IK_TEMP and it contains columns called data, range .
String sql = "SELECT DATA, RANGE FROM IK_TEMP";
try (Connection conn = this.connect();
...
0
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1answer
30 views
EXIF: Can you calculate latitude from longitude value and true north value?
I have an iPhone image that contains the GPS longitude and a bearing relative to True North. Is it possible to calculate the latitude from these two values?
EXIF metadata in question:
GPS Longitude ...
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0answers
15 views
Obtaining latitude and longitude on Earth from Satellite location and pointing angles
Considering the Earth as a perfect sphere and knowing the position (latitude,longitude and height) of a satellite.
I would like to transform the pointing angle from the satellite (defined by two ...
0
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1answer
52 views
Calculate azimuth angle in QGIS
I have a few exercises to do and I can't do it at all. I am newbie to this field.
I use QGIS 3.4.
Exercise 1
What is the azimuth between the starting point and the Z place?
I must write the value in ...
0
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2answers
21 views
Adding latitude and longitude around an image saved in ArcMap
Is there a way to add latitude and longitude around an image in ArcMap when you are in layout view? I have attached an example of what I mean. I would like to do this so people looking at a saved ...
0
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1answer
21 views
Find longitude intersection of given latitude at z=0 for a globe
I have a globe image that is centered at lat,lon. At this lat,lon, by definition x=0, y=0, z=1.
A line of latitude drawn on this map can either be completely visible (in which case it would be drawn ...
1
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1answer
20 views
Export latitude/longitude coordinates of a R map plot into an external file
I have a simple map and like to export the used coordinates of latitude/longitude
into an external CSV file. Is this possible?
library('maps')
map(database='world',regions='germany')
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0answers
19 views
Method to determine of coordinates in GeoJSON feature are Lat/Lng or UTM?
Is there a @turf or any other helper method to quickly determine if coordinates in GeoJSON feature are Lat/Lng or UTM?
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2answers
29 views
PDAL is mixing Lat and Lon when using tindex
I am trying to extract polygon representing the extent of my .LAS file. I am using tindex to do so.
When importing the resulting file, it looks like longitude coordinates are set as latitude and vice ...
2
votes
1answer
38 views
How do you flip and rotate NetCDF (.nc) files in QGIS?
I am trying to extract Surface PM2.5 values from the NetCDF files available on the Atmospheric Composition Analysis Group's website. However, when I load it into QGIS, it appears to be flipped and ...
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0answers
21 views
How can I calculate the course angle of two coordinates in decimal degrees?
I want to calculate course angle of two given decimal degrees, like shown in the following picture:
In the above picture the result would be 135°
The coordinates are given in decimal degrees, e.g. (...
1
vote
1answer
29 views
Save MapContent issue with latitude/longitude lines
All labels for longitude lines at bottom and latitude lines on left and right of the map look fine when viewed in JFrame like the one used in https://docs.geotools.org/latest/userguide/tutorial/...
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4answers
58 views
Converting Latitude and Longitude to multiple UTM zones
I have a data set of 3000 plots with coordinates in Lat/Long. It spans 13 UTM zones. I want to break it up into chunks corresponding with the 13 UTM zones, and convert the coordinates in each chunk to ...
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0answers
40 views
How to plot latitude, longitude and elevaltion data in python [closed]
I have latitude and longitude and elevation data in a CSV file and I want to process it in 3d to something like this
the data set is kind of like this
I just want latitude, longitude and elevation
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0answers
15 views
Convert pixel x,y position on map to latitude and longitude
My map takes up 100% width and height of the browser screen.. I have a draggable div that is super imposed over the map, I am am capturing this divs position using offset(); to get the pixel top and ...
1
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1answer
66 views
Latitude labels location on map
Following Label coordinate position of Grid lines
explanations I was able to create latitude lines every 10 degrees with labels.
The values of the latitudes are drawn following the prime meridian (0 ...
2
votes
1answer
25 views
Set meridian label position and orientation
I have followed Label coordinate position of Grid lines to be able to draw meridians and parallels with labels.
The meridian labels are placed at the Equator line and oriented in the direction of the ...
0
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0answers
26 views
How can I automatically extract attributes in a Shapefile for a group of points (latitude and longitude) using QGIS?
I have a Shapefile for the City of Montreal with buildings' attributes. I also have the coordinates (Latitude and Longitude) of a group of points and I want to extract the attributes for each point.
...
5
votes
1answer
95 views
With respect to what “normal” is geodetic latitude defined for the WGS84 elliptical model of the Earth?
There are some features of geodetic latitude specifically with respect the WGS84 that I do not quite understand. In short:
With respect to what "normal" is geodetic latitude defined for the WGS84 ...
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0answers
26 views
Accounting for the heading of my position when calculating a new lat/long
Suppose that I am in a position where I know my directional heading, latitude and longitude. I throw a ball, and know that it lands X meters in front of me and Y meters to my left.
From here, I want ...
0
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1answer
30 views
Storing a point coordinate in PostGIS
I'm finding a hard time storing a point coordinate as the location to a PostgreSQL using PostGIS:
I found this query, but I'm unable to understand what the SRID and CRS values specified in this ...
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0answers
36 views
OpenLayers how to show long lat after click to map and make visible until next click to map?
I found this code for make visible long lat coordinate after moving the mouse over the map. And I rewrite to HTML page with newest OpenLayers version.
I would like to show this long lat coordinates ...
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0answers
24 views
OpenLayers: How to make visible long lat of place after click on map from my partial code?
I found this code for make visible EPSG:4326 gps after moving the mouse over the map. And I rewrite to html page with newest OpenLayers version.
But I need edit this small thing:
I prefer to make ...
1
vote
1answer
55 views
Table of Latitude and Longitude with Associated Elevation
I need to create a table that allows me to retrieve the elevation value for a given GPS coordinate pair. Currently, I am just doing this for New Zealand. I'm working in QGIS using a GeoTIFF file, and ...
0
votes
1answer
112 views
Flipping coordinates with Shapely
I have Shapely geometries where latitude and longitude where mapped to X and Y the wrong way around. Latitude is mapped as X, longitude as Y. How can I fix the coordinates so that the current X and Y ...
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0answers
58 views
Getting the latitude and longitude coordinates (to plot 2D) from a well survey
I basically want to do what you did here How to create a layer of directional/horizontal wells?.
I am able to get the coordinates from a well survey to create a shapefile to be able to visualize the ...
1
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0answers
18 views
How to impute country to a global population grid?
Have following gridded population data (available from the History Database of the Global Environment, HYDE)
ftp://ftp.pbl.nl/../hyde/hyde3.1/hyde31_final/1980ad_pop.zip
It looks like this:
ncols ...
1
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0answers
34 views
How to associate census data with ZIP codes [closed]
I have data frame with lat/lon and zip codes.
A small sample of that data frame:
Lat Lon ZIP
29.39291 -98.50925 78204
29.39923 -98.51256 78204
29.40147 -98.51123 78204
29.38752 ...
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2answers
1k views
Convert lat/lon to ZIP/Postal code using Python
I have this dataframe:
Lat Lon
29.39291 -98.50925
29.39923 -98.51256
29.40147 -98.51123
29.38752 -98.52372
29.39291 -98.50925
29.39537 -98.50402
29.39343 -98.49707
29.39291 -98....
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vote
3answers
76 views
Estimating the Distance Between Two Points
I am wondering how to estimate the distance between two points on a map. For example, consider the distance from A to B on the map below.
If the latitude and longitude lines shown are separated by 10°...
0
votes
1answer
43 views
Distance matrix expressed in meters
I'm aware that this is the hundreth(possibly more) time someone asked about the distance matrix that is expressed in degrees, but should be in meters. I read most of the questions, online guides, etc.,...
1
vote
1answer
59 views
Finding long, lat coordinates of points on building pictured by drone
How do I get the formula for calculating lat, long coordinates on the attached picture?
Here is the EXIF file. The problem is that we don't know the horizontal distance from the building to a drone.
...
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0answers
15 views
Loading specific area from an osm.pbf file into Maperitive
Is there a way to download a specific longtitude / latitude boundary area (a city) from a country osm.pbf file in Maperitive? In my case I am trying to load Greater Sydney from http://download....
4
votes
1answer
77 views
Are these Easting/Northing coordinates being converted correctly?
I was trying to confirm some GPS coordinates before my last trip to Joshua Tree and found this list which is similar to this list (Appendix IV), but when I try to convert the coordinates to the usual ...
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0answers
82 views
Transform XY coordinates from within a custom flat geometry to latitude and longitude
I am looking for a Python based tool/API (PyProj?) that will help me transforming a set of XY points from within a custom flat map to latitude and longitude.
I have information about the latitude and ...
1
vote
1answer
339 views
Maximo Spatial: Convert UTM to lat/long with Python 2.7.0 (using only the standard Python library) [closed]
Maximo Spatial is a work order management system in which I can write scripts in Python 2.7.0.
I want to write a Python 2.7.0 script in Maximo that will convert UTM coordinates to latitude/longitude ...
1
vote
1answer
55 views
How to generate a Street View URL/hyperlink using SQL? (UTM to WGS84)
I have a point feature class in an Oracle 18c GDB that is projected as NAD83 UTM 17N (SRID = 26917).
I would like to extract the X&Y coordinates from the points as WGS84 latitude & longitude ...
1
vote
1answer
31 views
Extract latitudes and longitudes from a government database
I'm trying to get the latitudes and longitudes of various data points on the Alberta Water License viewer. The mapping tool has the points displayed on it, and I'm able to click on them and get more ...
2
votes
1answer
137 views
Converting xy point to lat/long
I have data with columns x,y, address.
And no any information about the projection of x,y points.
How can I convert these points to correct lat/long pairs?
1091969,199515,27 HEDGEWAY CT
1092046,...
0
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0answers
45 views
Get projection or calculate latitude and longitude from a central point [duplicate]
I have a central point (with longitude) and I measure a radius (30º) degrees, I have a distance of 200 KM. Problem: know with precision what is the latitude and longitude of the point that is 200 km ...
1
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0answers
67 views
Google Map - saving latitude and longitude of route/path to my server to show in future the selected route/path and navigate accordingly [closed]
I am planning a software/mobile application where the tasks are like below.
An interface where a admin person will create a route map customisation by dragging a polygon path and also may add google ...
1
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0answers
24 views
Finding distances associated with change in latitude and longitude at given location [duplicate]
I am writing a program that uses GPS lat and long coordinates and a time change to determine speed with the output in units of m/s (precise to 0.1 m if feasible, but 1 m is sufficient). When ...
1
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2answers
114 views
Python, create a polygon from range of three lat/lon points
I have three lat/lon points, I need to use those in order to create a range of all possible points within the polygon that the first three create.
Test every lat/lon if it matches a condition I have ...
1
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0answers
53 views
Convert lat/lng to pixel in UTM image files [closed]
This is my first post on this site so please be gentle :)
I have a number of large image files that map locations around the world. These image files are in UTM projection and I am looking to write a ...
0
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0answers
66 views
Measure GPS distance between two points without using almost any math? (accuracy not required)
I'm programming an application where I save GPS location (lat and long) into each user info. I need to search the nearest users, I can only search using a between() function provided by my database, ...
3
votes
1answer
307 views
Python: finding angle between 3 points while considering elevation
I have a pandas DataFrame that contains three points's lat/lon and elevation.
I used the Vincenty's formula to calculate the distance between each pair.
And now I want to calculate the angle of the ...
1
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0answers
25 views
Is latitude valid as covariate for spatial interpolations?
I have information of minimum and maximum mean monthly temperatures Tmin and Tmax, respectively), from more than 300 weather gauges and now I require to create interpolated surfaces of temperatures ...
