Questions tagged [coordinates]

Any of a set of two or more numbers used to determine the position of a point, line, curve, or plane in a space of a given dimension with respect to a system of lines or other fixed references.

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In a software application displaying latitude & longitude, should N/S/E/W be localised?

In English software, it's conventional to render WGS 84 co-ordinates in a manner similar to the following: 38.8951° N, 77.0364° W or, encoding the directionality into the numeric values: ...
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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 ...
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157 views

GeoJSON file with all the capitals

I am looking for a GeoJSON file with all the capitals in this format: { "type": "FeatureCollection", "features": [ { "type": "Feature", "properties": {}, "geometry": { ...
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42 views

Importing GPS coordintates in Decimal Degrees with N and S at the end instead of + or -

I have a CSV file with GPS coordinates formated in decimal degrees. Instead of using negative symbols for south hemisphere and east of the prime meridian coordinates some of the coordinates shows a N ...
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2answers
114 views

Converting from SHP into TXT file using PyQGIS [duplicate]

I'm working with many shp file point format with geometry attributes like this: But I need convert it into such format in textfile like below: Are there any ways to arrange my shapefiles format into ...
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42 views

Moving geometry at same distance in different coordinate systems

I haven't been making tools in ArcPy for a while and stuck in one case. My goal is to create a serie of geometries in a center of current extent by running a script. I.e when I move ArcMap's extent ...
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304 views

How to plot points on QGIS using postcodes?

I want to map a list of facilities around the UK by their Postcodes. I have no Eastings or Northings just postcodes. Is this possible via a plugin or do I need coordinates. I am using QGIS Version ...
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56 views

What kind of coord-sys is this? - 955999.8911220022, 26397850.011872

How can I identify this coordinate system? When I load the .shp with QGIS I get the correct linear mapping. However when I try to convert to GeoJSON and plot with something like Leaflet.js I get ...
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1answer
99 views

What is the coordinate system?

I am basic user of GIS. I have a project in Rwanda and have received CAD information in a coordinate system I am unaware of. In addition this isn't the first time I have come across similar references ...
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347 views

Plotting a polygon on a GeoTIFF [closed]

I am trying to use polygon coordinates to plot polygons on GeoTIFFs of satellite images using gdal or rasterio, yet somehow I keep failing. There is two things I want to do: create a mask with only ...
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1answer
113 views

Figure out which coordinate system being used

I'm working in a project that have no documentation and I'm trying to figure out which coordinate system is being used in their API. What I know is that they have a coordinate like this: latitude: -...
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51 views

Finding geographic coordinates of shapefile using ArcPy with ArcMap

I want my Python script to check if the first coordinate in a GeoJSON polygon is within a polygon in ArcMap, and if so draw the polygon to a featureclass. My issue is that the GeoJSON file is using ...
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82 views

R - How to get raster values across a latitude band

Let's say I have a raster like this: library(raster) r <- raster(ncols=15, nrows=15) values(r) <- runif(ncell(r)) * 1:ncell(r) plot(r) I need to: find the latitude point closest to a given ...
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Identifying unknown coordinates/coordinate system

I have a set of data for the country of Chile which has geospatial information in the form of 'XX0000X' where X is a letter and 0 is a number. I have not been able to figure out what these coordinates ...
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To show lat long values on ArcGIS MapView?

How to set lat long on ArcGIS map in the latest SDK version 100.7.0? Is there any way to convert lat long into XY coordinates on the map?
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70 views

Converting TotalStation native field data to coordinates

I'm trying to convert field data from an older Sokkia TotalStation machine, to coordinates. I've looked at Copan but as far as I can tell it doesn't support the file format. There are some outdated ...
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55 views

Returning centroid coordinates from footprint coordinates using QGIS

I have a set of footprint coordinates in KML. However I do not have the building coordinates. How do I return building's centroid (single point) by using the footprint coordinates in KML using QGIS?
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50 views

Name of coordinates format

There's also a degree, minutes, and seconds format, and one with a decimal number, but what is the name of this format? What is the name of the GPS format of this lat/long: 35-39-24.720N / 110-26-06....
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123 views

Determining if two locations are duplicate

I'm working on an app that will display drugstores in a map. I have a table that has all drugstores, each with its Lat/Lon. We used several different sources to add the data to the table: the ...
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1answer
36 views

How to add points using coordinates to QGIS without having to create a CSV? [duplicate]

Is there a way that I can add single points to QGIS (v3.4) by inputting coordinates directly into QGIS, rather than creating a CSV and adding them that way? I know there used to be a plugin that ...
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Making Y plane follow direction of building

Here is my current code: var viewer = new Cesium.Viewer('cesiumContainer'); var redPlane = viewer.entities.add({ name : 'Red plane with black outline', position: Cesium.Cartesian3.fromDegrees(...
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2answers
266 views

QGIS 3.10 export layer to KML reverses coordinates

I'm using QGIS 3.10. I generated a contour map from a DEM. It looked good. Now, I wanted to check the contours in Google Earth. From the contour layer in QGIS, I selected Export - Save Features As - ...
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How to convert ITRF to ITRF

ITRF 96 1998.0 epoch X Y Z Vx(m/y) Vy(m/y) Vz(m/y) 4059623.25 2764405.93 4056720.43 -0.0079 -0.0007 0.0132 Transformation parameters from ITRF1996 to ...
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1answer
363 views

Extracting coordinates of placemark from KML using FastKML?

I would like to parse a KML document in order to put the information (names of placemarks, coordinates) into a python array for further processing. This is what I have so far: from fastkml import kml ...
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164 views

X/Y Coordinates to Longitude/Latitude, package for .net core app [closed]

I have a task to convert some incoming geo data to Longitude/Latitude. The data elements in the json are identified as xCoordinate and yCoordinate. However, the data in my sample does not look like ...
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Overwriting polygon coordinates in R

I have polygons in a sqlite database. I have managed to load the coordinates of one of the polygons into R and have calculated new coordinates for the corners of that polygon. I would now like to ...
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243 views

Python/PyQGIS - Count from Image corner using pixel x y to create x y coordinates

I have an output from a model which provides me with .txt file containing pixel X Y values. What I need to do is convert them to a set of coordinates (Irish grid, 29902). The images feed into the ...
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26 views

Getting (0,0) instead of the intersecting co-ordinates value

This code works below fine when line(The Circle I mean) intersects more than two new lines but fails when both the intersection falls in the middle of the same line polygon_path = iface.activeLayer() ...
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2answers
114 views

R sf Polygon subtract 1000 from x coordinates

My aim is to subtract a value of 1000 from all x coordinates of an R sf object. How can I achieve this? When running the following code the value 1000 is subtracted from all coordinates (x and y ...
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2answers
207 views

Coordinate entry in QGIS 3

I am frustrated by the seeming difficulty of calculating x,y coordinates in QGIS 3. As a longtime user of ArcGIS I find Esri much easier for this. However, I like QGIS and think in many ways it is ...
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1answer
410 views

NITF raster (Worldview) failing to load correctly in QGIS

I am attempting to load in multispectral and panchromatic rasters in NITF format into QGIS in order to run a pan sharpening process using OTB toolbox. Loading in the panchromatic is fine, but upon ...
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1answer
53 views

Adding GPS coordinate points to point feature class using ArcGIS Pro

I have a raster, and in ArcGIS Pro 2.4, I created a point shapefile with 830 points. I forgot to specify that I wanted to show the GPS points in the attributes table of each point. However, I need to ...
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41 views

'Add XY Data' and 'Make XY Event Layer' are plotting points at an inaccurate latitude

I have a .csv file with 10 wells and their respective longitude (X) and latitude (Y). Every time I try 'Add XY Data' or 'Make XY Event Layer', my wells are being plotted at some random place in the ...
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83 views

Changing bad coordinates of GeoJSON shape to coordinates of another GeoJSON shape?

I have two GeoJSON file one with true coordinates, one with wrong coordinates with labels. They both refer to the same geographical object: districts in Georgia. I would like to convert the ...
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139 views

Updating xy fields in attribute table automatically when moving points to new locations in ArcMap?

I work on ArcGIS Desktop 10.3.1 and try to move several points so they are corresponding simultaneously to the coordinates value in the attribute table immediately. I know this question repeats in ...
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1answer
177 views

Formula to calculate the next coordinate given a coordinate, distance,direction and probably speed

I have this coordinates 52.3545362,4.7638767 which I got from a Google Maps search of Amsterdam. URL https://www.google.com/maps/place/Amsterdam,+Netherlands/@52.3545362,4.7638767,11z/data=!3m1!4b1!...
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1answer
337 views

Find most NW, NE, SW, & SE coordinates from a group of long/lats

I have a list of 900-1000 longitude/latitude coordinates. I know and can depend that these coordinates form a rough rectangle. Is there a formula to determine which coordinates are at the corners (NW, ...
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1answer
97 views

CSV file projection not aligned with Basemap

I uploaded a CSV file with DMS coordinate systems in it into QGIS. The points appeared on the white background. When I add a GoogleImage background in the projected coordinate system WGSPsudoMercator, ...
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2answers
85 views

Mapping RBG color to coordinate possible?

I work with geologists who are trying to figure out how to use Qgis to batch apply colour values to coordinates so that we can visually see differences or patterns. From the attached photo of soil ...
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100 views

Changing coordinate systems of asc file in Python

I am working with asc files and what I need to do is do change the coordinates from Lambert Equal Area to WGS 84. I’ve tried a few things (xarray, rasterio, GeoPandas...) but nothing seems to work ...
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55 views

Importing cvs file with coordinates into QGIS [duplicate]

I got a problem. I got some coordinates in Excel. They are written with comma 14459091,1010 ex. When I try to import them as csv-file into QGIS, it will only create a table and no points. When I look ...
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1answer
129 views

Divide a polygon in to smaller polygons using JavaScript

Im having a polygon data { "coordinates": [ [ [ 76.878324056172, 8.58553370915678 ], [ 76.8928294425245, 8.58273302582363 ...
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1answer
145 views

Why does size of circle object drawn in Google Maps increase when moving it away from Equator

I'm building a web app that allows the user to search the database based on his Google Maps location and a customizable search area around the location. I've noticed that when I keep the radius of the ...
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1answer
57 views

Exctracting values and their coordinates from a raster layer in QGIS?

I would like to extract the pixel value and coordinates of each of them from a ndvi raster layer. I don't have a point layer from where I can extract those values, as I read in other posts. ...
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83 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 ...
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50 views

ArcGIS Pro, WFS error, wrong place!

Created a local WFS layer with GeoServer. Loading in ArcGIS Pro seems, X and Y turned and rounded!?? Features are all in Holland with 4,xxxx and 51,xxxxx So now all the records come in rounded 51,...
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1answer
102 views

Get Z value into attribute table from KMZ

I have extracted GPS data from photos using geosetter, so that I can then import them into ArcGIS Pro as a shapefile. This I can do but when I try to write the XYZ coordinates to the attribute table ...
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1answer
99 views

Selecting coordinates of points below DEM (DTM)

I have a DEM file and a big list of X,Y,Z point (about 1M). Each of them can be below or above the DEM file. Is there a quick way to select the x,y,z points below the DEM file using Python? I did ...
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2answers
1k views

Reversing coordinates of MultiPoint using Shapely?

How to reverse the cooridnates order of this MultiPoint: MULTIPOINT (92 169, 100 163.552380952381, 105.2167832167832 160, 266.7552447552447 50, 290 34.17142857142857, 302 26) to this: MULTIPOINT (...
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2answers
444 views

Leaflet map with coordinates included in the URL path

I am trying to implement the dynamic coordinates in the URL path in the leaflet map as per the Google Maps example. I found some examples: https://stackoverflow.com/questions/15919227/get-latitude-...

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