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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Adding coordinates to point feature with missing location
I have received some data from a third party that includes some point and line features that have no location information. I have the coordinates which I would like to use to provide that location ...
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Querying nested latitude and longitude fields in Opendatasoft API
I'm working with the Opendatasoft API, specifically accessing the "geonames-all-cities-with-a-population-1000@public" dataset. I need to perform queries based on the latitude and longitude, ...
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How to Append a POINT to a MULTIPOINT column
I have a table in postgresql that includes a geometry(MultiPoint,4326) column.
I want to run a process that appends a new MULTIPOINT(4.49306 52.26167) to this column. I am currently doing this:
UPDATE ...
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Getting NO2 concentrations for a given area
I am trying to get the NO2 concentrations at different coordinates for a specified area.
From the nc file downloaded from sci hub copernicus, I extracted the latitude, longitude and the NO2 ...
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How do I tie survey data to a coordinate system?
I have Record of Survey drawings from Marin County that I can plot in CAD, but I am not sure the best/easiest way to place the lot lines into a coordinate space. I found some benchmarks in the County ...
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How can easily I convert polar coordinates (using an arbitrary location as the "pole") into latitude and longitude in Google Earth Engine? [closed]
Let's say I have an arbitrary point marked by WGS84 lat/lon. From that point, I measure the distance (in meters) and direction (as an absolute bearing from true north) from that waypoint to the ...
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How to convert Google Earth polygons CSV to KML
I have converted polygon coordinates from Google Earth (KMZ to CSV) in UTM and now I need to convert that back from CSV to KML. Is there anyway to do that?
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Creating a GeoPandas dataframe from GeoDjango query, then extracting latitude values for Plotly
I am attempting to use information from my PostGis database with my Django application to make a 3d scatter in Plotly. I have timeseries data in my database with different metrics from vehicles, and ...
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Converting coordinates into GeoJSON string with PyQGIS
I'm trying to write some code that gets the coordinates of a point, line or polygon, then I have to convert these coordinates into a GeoJSON string. I'm currently just trying to print it to make sure ...
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Problems importing DJI Phantom images into QGIS
I am trying to import DJI Phantom 4 multispectral imagery into QGIS. I have imported the imagery but the images are not in the right location (showing near the coast of Africa when they should be in ...
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Feature class to graph with networkx gives random precision of coordinates
The coordinates from a line feature class are stored in a networkx multigraph differently. Some coordinates have 9 decimal places, others 10 decimal places. It seems to be random. I need a stable ...
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Extract nearest values from NetCDF file in Python
I have a NetCDF database (link to file) obtained from Copernicus Climate Data of ~43k unevenly spaced values around the world. Instead of being indexed using (lat, lon) it uses a sequence of 'stations'...
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Export all polygons to SVG using QGIS
For a game, I needed to draw the districts of my city in QGIS. I created a layer and drew many polygons on it.
I have now a table with four columns, being "fid", "name" and "...
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Creating a MultiPolygon field that includes multiple
I have been tasked with creating a new polygon layer to include lat/long of atleast 5 vertices. I have a sample of the fields of another customer they work with and I cannot seem to find out anywhere ...
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Access to the coordinates of a NetCDF file
I started working with NetCDF files recently.
I'm working with projected Surge Levels; Data is stored as filename.nc files at Copernicus. This is the file. I got it using an API from their website.
...
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Converting geodetic coordinates to ENU coordinates
I am trying to understand conversion from geodetic coordinates to ENU coordinates. As per this wikipedia page, its two step process: geodetic to ECEF coordinates and then ECEF coordinates to ENU ...
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Plotted data in Python and plotted data in QGIS is different
I'm currently working with a raster dataset containing U.S. land cover data and a vector dataset containing building footprints within a specific state. When I attempt to plot two buildings that ...
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Meaning of Greenwich (0.0) on GCS_Clarke_1880 WKID: 4034 Authority: EPSG?
This is similar to question topic GCS_Clarke_1880 transformatiom to GCS_WGS_1984 in ArcGIS 10.3.1.
Question : A reply to topic on line above, included:
GCS_Clarke_1880 WKID: 4034 Authority: EPSG
...
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Converting giant JavaScript feature collection of coordinates to GEE feature collection
I have a very large JavaScript feature collection (I think - will post a snippet below) and I want to display the vectors in Earth Engine with their attributes.
var lots = {
"type": &...
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Trying to determine which CRS this GML uses
I am trying to locate an area that is currently in GML format. I know it is somewhere in Istanbul but I need to know which Coordinate Reference System (CRS) it uses to overlay it with other maps. ...
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What is a notation for a "diagonal" on a globe?
Is "diagonal" even the right word here?
We have latitude and longitude to create a sort of grid and when combined make a point.
Both latitude and longitude individually span a line around ...
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Accumulated distance between points
I have this piece of code that I can make lines between points and calculate the length of the line, but now I need to calculate the accumulated distance only between the X axis, I managed to use ...
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Grids displaying relative instead of global coordinates in QGIS
I have a set of three zoomed-in maps I need to plot grids for. They need to be in degrees, minutes, seconds and relative to the global standard. The grids I was able to plot all show relative ...
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Converting coordinates
I'm dealing with a certain problem. I have locations from ArcGIS. For example here are coordinates:
X-Point:
461946,50
Y-Point:
546587,81
Now this should specify a place in Iceland. I understand ...
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Points not showing on map on QGIS
I uploaded my coordinates as a CSV file and they show on the blank page on QGIS but when I try to make them show on the map they don't, either if I use OpenStreetMap or Esri Satellite, it's like they ...
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Create network from GPS coordinates QGIS
I'm trying to map all the recent flights that a friend has taken. I have GPS coordinates in excel that I've converted into a .CSV file and imported into QGIS. I now have one layer of origin airport ...
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UTM coordinates in ArcGIS Pro
Is there a way to extract XY UTM coordinates, as a X,Y columns, in attribute table of a vector layer in ArcGIS Pro?
Geographic coordinates are possible to extract as X,Y using "Calculate geometry ...
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Create Polygon out of minX, minY, maxX, maxY
I have a pandas dataframe with the min and max values from two polygons. How can I create two geometries (Polygons) out of these values using Geopandas or Shapely?
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Copy-Paste values in the vertex editor table
I have some polygons with z values for each node. However, there are a great number of nodes that don't have a value. I have to fill these nodes with a value, but I don't want to copy paste for each ...
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How to obtain coordinates of Sentinel-1 image
I’m a beginner in satellite image analysis. I want to know the lat/lon coordinates of some bursts of a sentinel-1 image. I looked at the file names of the downloaded zip, but couldn’t find any ...
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Canadian Postal Code Boundaries from Google Maps
I am working with the R and Python languages.
Suppose I search for the following Canadian Postal Code (M5V 3L9) on Google Maps:
https://www.google.com/maps/place/Toronto,+ON+M5V+3L9/@43.642566,-79....
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Set points according to coordinates using QGIS 3
How can I set points according to coordinates?
I know that you can see the exact coordinates when you set a point. But I just want to type or copy the coordinates in to set a point. For an example how ...
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Using iPhone coordinates with Leaflet
I'm working on a Leaflet map using Chrome on a PC and everything works fine when I use my computer or Android phone.
But when viewed in Chrome on an iPhone, the coordinates get shifted, like below.
.
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Wrong position of coordinates after import from file in QGIS 3.32.0-Lima
The goal is to import coordinates (listed below) into QGIS. The coordinates are from Mission Planner, a program to set waypoints for drones, ... The position of the waypoints should be in Austria.
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Convert Easting/Northing to Lat/Long in FME
I would like to convert a series of points from Easting/Northing to Lat/Long. So far I have tried using the Coordinate System Extractor and Coordinate System Setter but these dont seem to offer what I ...
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How to give a coordinate to *.tif?
I have a *.tif, vintage aerial photo. Also, there is a metadata with coordinate information corresponding to the aerial photo. I would like to give that coordinate to the .tif.
First of all,
When I ...
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Calculate the new x and y coordinate of the extent after rotating the map in MapViewer ArcGIS Online
I need to add a symbol to the lower left corner of the map, so every time I rotate the map, I need to calculate the new coordinate of this symbol (which is the new map extent of the lower left corner)....
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Possible alternate coordinate system [duplicate]
I am dealing with some geographic data from Brazil and it comes in a coordinate system I am not familiar with. It is not lat/long. I am working with the state Rio Grande do Norte where the x ...
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Map projection which is most accurate in the (global) calculation of "Poles of Inaccessibility"
I would like to calculate the "Pole of Inaccessibility" in QGIS for several polygons. The polygons (administrative boundaries of countries) are globally distributed.
When calculating in ...
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Detecting intersection of two WGS84 lines
How do you detect intersection of two WGS84 lines given the information below known.
RedLine: latStart0, lonStart0, latEnd0, lonEnd0
BlueLine: latStart1, lonStart1, latEnd1, lonEnd1
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Does the center, or the tip, of the OpenStreetMap website teardrop icon, represent the coordinate point?
Does the center, or the tip, of the OpenStreetMap website teardrop icon, represent the coordinate point?
I mean some websites, and Google Earth, use pushpins, but they also have cross hairs on the ...
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What does unit mean in spatial reference system?
Each spatial reference system contains a definition of a unit. The rectangular coordinate systems mainly use meters, the spherical ones use degrees.
You can see the unit of a srs for example here: ...
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Correct format for Easting/Northing in Go To XY tool in ArcGIS Pro
I am trying to create a point in ArcGIS Pro based on Easting and Northing coordinates that I obtain from an online map viewer. The online map viewer only has the Easting and Northing and does not have ...
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Exporting country's border coordinates
I have downloaded QGIS with the hopes of being able to obtain a polygon that closely represents a country's border. I was thinking I should be able to obtain x number of vertices that form the border ...
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Transforming lat/lon from displaced-pole grid to regular WGS84 lat/lon
I previously shared my problem on StackOverflow (as Incorrect or shifted longitude in netCDF data, how to fix?), but I was pointed here, because my question is not really about coding, but more about ...
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Coordinates format in ArcGIS Pro
I wonder if there is possibility in ArcGIS Pro, "Edit" - "Move to" functionality to input into seconds a decimal values (DMS format).
I have tried inputting decimal value after dot ...
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QGIS: multipolygon vector shapefile -> problem to correct latitude
I am currently working with QGIS for my master thesis (without much previous experience).
I was provided with a shapefile containing MPAs (marine protected areas: see picture below).
The latitude is ...
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Creating isochrones with given coordinates and times in QGIS
I have an origin coordinate and a list of destinations. Each list element has the related coordinate and the minutes spent to reach it. I want to build an Isochrone map starting from this data, ...
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How to make the longitude decrease from south to north in QGIS
I want to make the value of the Y coordinate decrease as I go north on the map, and latitude should be the same (decreasing to the west and increasing to the east) in QGIS. I tried various coordinate ...
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How to calculate accuracy of a calculated (predicted) coordinate (latitude, longitude)?
Given GPS data that consists of:
Latitude
Longitude
Bearing (degrees)
Speed (meters per second)
Accuracy (radius of the circle around the coordinate where true position can be found with 68% chance, ...
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