latitude-longitude's questions - English 1answer

588 latitude-longitude questions.

I have a similar question to the one found here, Mercator projection: formula for latitude based on pixels? The answer was very helpful but my question is just different enough that it doesn't quite ...

Suppose I have latitude and longitude of a point and a distance in degree, how can I get to the other point? (Suppose the point to find is aligned horizontally or vertically)

I have GPS track data and for each point have a latitude, longitude, and a timestamp. In most cases, the time between points is just a few seconds but it varies. I've flagged some of the GPS points ...

Reference material: The Five Key Ingredients for Mapping the Earth There are five important steps to producing a map of the Earth's Surface. These are: sphere with north and south through the ...

I am trying to evaluate an equation in the raster calculator and I need latitude values. I have the DEM for the region and am wondering if it is possible to create a latitude raster based on the DEM? ...

I want to find out the coordinates (latitude and longitude) of Texas precincts. I download the shapefile from here. I am using R to read the file and extract the coordinates: dsn.tx <- "~/.../...

I have a CSV where each row contains 3 sets of coordinates in EPSG 32611 (UTM). I'd like to add columns that contain the coordinates in lat/long (EPSG 4326) also. So, columns H&I would be cols. B&...

I have a shapefile of world countries, with longitude between -180° and 180°. How can I change the shapefile (eg. with ogr2ogr) for having longitude between 0 and 360°. Following OSGEO/Trac ...

Currently, I am working on a project that requires information for public buildings. I was wondering what options are available to find the address and lat/log for each individual public building ...

I'm confused about the following basic points: Do lat/long points have a projection or are they projection agnostic? Do these points live in a sphere or a plane? I understand that projections are ...

I want know how i can convert the latitude and the longitude coordinates of a rectangle in the Cartesian coordinates, so I can store them in a geometry field using postgis.

I have a list of latitudes and longitudes expressed as follow: -1 <= latitude <= 0 0 <= longitude <= 1 Those coordinates represent POIs on a fantasy map displayed using the Leaflet ...

I have a set of address for Singapore, I would like to take the Lat & Long from onemap.sg (SYV21: X, Y / Easting, Northing) and then store it in my databse , convert into (WGS84: Longitude, ...

I have a list of lat, long coordinate pairs (all within the continental US). I am looking to use PyProj to convert them from lat, long to x, y coordinates. Looking at this example, I see a working ...

From the point long: 16.499050771335575, lat: -30.882 I want to find the corresponding latitude and longitude values that would result in a 200 km by 200 km square in which the aforementioned ...

I have XYZ-dataset of Temperature Data in Excel, with no (Lat, Lon) added. Every time when I try to display the Data in ArcScene the Programm tells me, that a Spacial Reference is missing (of course)....

When I worked with ArcMap, I had no problem with choosing projection ArcMap has a large number of predefined projections organized by world, continent, and country. You can navigate quickly to ...

I am tasked with calculating slope between points in a field however, the only geographic data I have available is the longitude and latitude in degrees. Is there a way of computing slope from lat ...

I am trying to transform CSV files of lat long into FIPS codes. Does any one have a Python code that is able to do this? I have that worked then stopped working giving me an 'http 400 bad request' ...

I am experiencing some shifting polygon that I obtain via pixel to lat lon conversion. I have a program to do image processing in opencv that uses pixel coordinates and once I had obtain my contours, ...

I know that Geodetic Latitude is measured with respect to the normal at a point on the surface of the reference ellipsoid. But what about points above and below the surface? Do they follow a ...

I've been reading Wikipedia and am having a bit of trouble. https://en.wikipedia.org/wiki/Latitude Geodetic latitude would clearly change if the Earth were squashed vertically. But would places ...

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 ...

I have: lat-long : (41.8719 , 12.5674 ) Radius: 50 meters I want all the boundary coordinates from that given point. I would like some scala code for this.

I've extracted a geojson data file from QGIS for a transportation layer. Now in the file, I can see multiple entries like the following: { "geometry": { "...

I have data with lon lat pairs that I'm converting to geography types. Some of the pairs, however, are corrupt -- in my case, very negative values for longitude. Is there a helper function in ...

Having a problem in R's raster package - I can't crop a raster across the 180° meridian - I'm trying to create a bounding box with longitude 120°-230° East Simple enough, but the following code: ...

I know two latlng points and also can get distance between 2 points. But how do I can get a latlng point on 1/3 of the distance of 2 points. latlng1 = [37.7052918, -8.8420179] latlng2 = [37.7062884, ...

As many of you know Vincenty is a great tool for calculating the azimuth (e.g. bearing) between two points with reference to True North. Currently, I have a python script that takes two coordinates in ...

I created new project in QGIS (v3.2.1) Added a OSM Standard layer with QuickMapServices plugin. Current CRS is EPSG:3857 Now I want to use map in degree units. As far as I understand I need to ...

First I should clarify I don't have previous experience with the field, so I don't know the technical terminology. My question is as follows: I have two weather datasets: The first one has the ...

I have data in the form of Section, Township, Range and meridian. I have 300,000 data points from all over the USA. Is there any way i can write R or python scripts to batch convert all the points to ...

How to convert lat/long coordinates to Indian Grid system? I've googled for a couple of days but didnt find the exact algorithm for this. and i got a link Indian Grid System. but i didnt get a ...

I'm new to QGIS (and GIS in general) I'm creating a map and would like to manually enter lat-long coordinates in decimal format. As you can see, the vertex editor uses a different coordinate ...

I am interested in a piece of property for which I have a plat map description, giving what seem to be latitudes/longitudes of lines along the boundaries (not sure about this). The objective is to ...

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 ...

For a deep learning project, I trained a YOLO based model to detect objects on satellite images (from spacenet dataset; epsg:4326). However, as the Darknet only takes JPG/PNG images as input(to the ...

I have come across in my textbook ,that the longitudinal extent of Asia is about 25 degree East to 170 degree East. However , looking at the map of Asia , I think that it should be 170 degree West . I ...

Completely new to GIS so this may be the most basic thing in the world however I've followed several other posts on the same question and it does not seem to be working. My end goal(hopefully) is to ...

This had been asked previously on Stack Overflow. I've tried different methods/formulas but results are not correct. 40.764296,-73.97302 should result into 930,3590 pixel on map image. I've Manhattan ...

I am new to mapping. Is there an online resource that lists both the geocentric and geodetic latitudes of various world landmarks?

I am trying to create a graphic demonstrating the difference between an idealized perfect sphere and the Earth's reference ellipsoid. (I know this is also an approximation, but nevertheless.) To this ...

I'm trying to input a .png map into my QGIS project for a small area in South Africa. I don't know the CRS used to create the map but it has a grid system on it with the lat/lon labelled (created ...

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 ...

I have thousand list coordinates from excel format (CSV file), its projection is Geographic WGS 84 (EPSG 4326) most of all. All of the coordinates are inserted manually from our surveyor teams. But ...

I'm trying to figure how much further east one topographical point is from another? They are at different latitudes. Each location is at a different latitude. One is in South Dakota at 43 degrees 51 ...

It seems that the Microsoft SQL Server Geography data type is better suited for lat/lon because Geography "stores ellipsoidal (round-earth) data, such as GPS latitude and longitude coordinates." ...

I have two sets of data points where each data point is a latitude-longitude combination. The two sets represent two different time frames, let's say 2010-2014 and 2015-2018. The number of data points ...

I can't get my head around plotting a circle on a big sphere (Planet Earth). I have a column that has 180 rows - 1 for each degree. The next row is each degree converted to radians. Easy so far. A1 ...

newbie here so please pardon me if I'm asking a silly question. Currently I am required to work with Lat/Long coordinates in WGS84 (EPSG:4326) on QGIS for data analysis. The input data I have comes ...

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