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.
1,582
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How do I display coordinates of each polygon corner in the attributes table
Is there a way to display coordinates of each corner of a polygon in the attributes table?
My end goal is to create a map that shows point numbers and coordinates for each corner of a polygon.
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2
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56
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Set print extent in demto3D of QGIS diferent than x min, x max, y min, y max
I have an area that I want to print in 3D. The area has 4 sets of coordinates. I first used a polygon of the area of interest, then cut the DEM of the same area.
I used demto3D from QGIS to generate ...
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Iterate through the coordinates inside a GeoJSON polygon [closed]
How can I iterate through the coordinates inside a GeoJSON polygon?
Here are some more details. Let's take this polygon as an example:
https://github.com/georgique/world-geojson/blob/develop/countries/...
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Get pixel values using rasterio.sample
I would like to get the pixel values for a single point within a .tif file using rasterio. I have read several previous questions, and implemented the suggestions.
Here is the code that I am using:
...
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56
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QGIS Georeferencer problem
I have a problem with the georeferencer. When I try to georeference a satellite image with no coordinates I get a very high dx,dy and residual values. I use Google Satellite as a base map. The ...
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How to create buffers in meters for locations around the world
Disclaimer: I am very new to geographic calculations.
I have a location dataset (points long & lat) for events that happened around the World. I want to create 5km rings around these locations ...
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Interpolate irregularly sampled data to a regular grid
I'm using .nc files with spatially referenced timeseries data in xarray, i.e. inherently 3-dimensional data (lat, lon, time). My issue is, that the dataset's coordinates lat and lon are merged to a ...
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Circle to polyline
I am using Maptiler's static map - https://documentation.maptiler.com/hc/en-us/articles/360020805897-Static-maps-for-your-web - to generate a static map.
I am trying to draw a simple map with a semi-...
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Translate GeoJSON tile coordinates to X,Y coordinates on canvas 500 by 500
I have GeoJSON vector tile which I want to render to HTML canvas 500 by 500. How can I translate the lat, lon coordinates of a line string to X,Y points on the canvas?
{
"type": "...
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Esri x and y coordinate confusión
I am trying to figure out which coordinate system x and y are in and trying to understand the data from the Esri site.
datasource: DATA
In the data each FID represents a Polyline, the coordinate is in ...
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Extract national border coordinates into text file [duplicate]
I would like to know how to extract national boundaries coordinates into a text file.
I've downloaded some files from Natural Earth (like shapefile, JSON etc..) but I don't know how to use them. My ...
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Extract national boundaries from file [closed]
I would like to know how to extract national boundaries coordinates into a text file.
I've downloaded some files from natural earth (like shapefile, json etc..) but I don't know how to use them.
My ...
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1
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2
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CSV Import into QGIS seems to be imported as attribute table, should be point coordinates
I'm trying to import a .csv table to QGIS with temperature-data from different German districts. I have all the districts with lat/lon coordinates in my list, but the CSV seems to be imported as an ...
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Math error when trying to calculate the distance between two coordinates in python
I'm not sure if this is the right place but I am trying to develop a Django site that (among other things) shows public projects within 30 km of a given French commune. It mostly works fine but for ...
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raster_value returns lat/lon instead on X/Y
I have a project where the CRS is ESRI:102748.
When I use the Value Tool to hover the mouse over the raster, it returns the coordinates as X,Y,Z in feet.
I have a SpatiaLite point layer where I insert ...
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Mapping a tile in a tile layer to WGS84 bounding coordinates
gdal2tiles splits the Earth into a bunch of grids. Each tile is 256x256 pixels but the difference between the bounding longitudes changes as the latitude changes.
How can I determine the bounding ...
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Extract vertex coordinates of a polygon on a map in QGIS
How can I extract the vertex coordinates of a polygon on a map into CSV using QGIS?
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Compute distances between points in UTM 32 coordinates and world countries centroids in WGS 84 with R
I have a set of points for Italian cities in UTM 32 N (CRS=EPSG:32632) and I have computed the distances between them using R.
Now I would like to compute linear distances also between a subgroup of ...
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Using rioxarray to open netcdf output from polymer
I'm using rioxarray to clip some .nc files processed through Polymer (atmospheric processor). The issue I'm having is when I import the .nc file I get the following error:
The original file was in ...
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From UTM to long/lat [duplicate]
I have a set of points expressed in the UTM zone 32N EPGS:32632 WGS84 and I would like to obtain long/lat expressed in -90/90 180/-180 degree.
Is there a way to obtain it with Qgis?
For instance:
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Coordinate scale different (much smaller) than map
I've set up a new project with the CRS set to WGS84 (EPSG:4326). Then I added a google map and a CVS with my Lat/Lon coordinates in degrees. there is nothing else in the CSV other than the header. At ...
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Find land parcel coordinates in Google Earth
A parcel of land (Lot 1, Blk-52 of the subdivision survey
Psd-05-023701, being a portion of Phase 2, Psd-05-022167), situated in
Barangay Alawihao, Municipality of Daet, Province of Camarines Norte,
...
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Northing and Easting datum coordinates switched in total station; way to correct point locations?
When starting a mapping session on the total station, my team member accidentally switched the X and Y coordinates for the northing and easting for both the station and the backsight datums. We use ...
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146
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Populating XYZ coords to a layer when creating point in QField
I am trying to figure out how to have an expression populate the x,y and possibly Z coords to a point when I create the point in the Field via QField. I know how to extract that information after the ...
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Distance between two points [closed]
I have two points and their coordinates (lon and lat) expressed in EPSG:32632. I'd like to calculate the distance between them. In my case, distance is really very small.
I've tried to use Euclidean ...
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1
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90
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Deactivating one script in PyQGIS
I tried the following script in QGIS:
from qgis.gui import QgsMapToolEmitPoint
class ClickedPoint(QgsMapToolEmitPoint):
global pp
def __init__(self, canvas):
self.canvas = canvas
...
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2
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192
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"ValueError: Point coordinates must be finite." when reverse geocoding in DataFrame using GeoPy
I'm making a script in Python that takes the coordinates in a DataFrame, looks for the address and writes it in the DataFrame.
My DataFrame for testing purposes: https://docs.google.com/spreadsheets/d/...
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138
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Georeferencing using coordinates always corresponds to wrong location on reference map in QGIS
This is the map that I tried to georeference using its coordinates, e. g. -98.00 E and 16.00 N
Both maps are on the same projection. However, no matter what coordinates I enter, they always ...
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Decode Google Polylines in JS
I am a complete novice at coding and am trying to return a decoded polyline in array of (lat;lng) from an encoded polyline string.
I found a similar post here
Converting encoded polylines into GeoJSON ...
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108
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Show Running Lat/Long Coordinates in Status Bar on Bottom
Running QGIS 3.28.2-Firenze.
How can I show running lat/long coordinates in the bottom status bar that change while I'm moving the cursor? Currently, it's showing Coordinate "976105,654924"...
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Travelling salesman but doesn’t have to be most efficient route just trace the roads. (Python and QGIS)
I’ve got a project; for one part of this project I intend to draw a route over a shapefile, it contains 9000 nodes.
What I’ve tried:
Generating routes on a map layer in QGIS by following the lines of ...
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GPS coordinates conversion
How to transfer these GPS coordinates into conventional coordinates of long and lat? (the first column is East and the second column is North)
[1]: https://i.stack.imgur.com/ShuoH.jpg
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Converting points from British National Grid/OSGB to lat-long in client side
I'm working on a front-end application that needs points in pixels. The data array object from API calls returns GIS values as British National Grid/OSGB 1936 CRS (coordinate reference system) of ...
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Convert a point on a flat 2D web-mercator map image to a Coordinate
I have an image of a map and a point marked onto it. I have those coordinates (as a percentage) inside the image of the point. Now I'd like to know the coordinate (latitude/longitude) that this point ...
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Creating lines with multiple vertices from CSV file in QGIS [duplicate]
I want to draw a line with the points as vertices, the stretch name is also given. This is merely a snippet of a larger dataset, is there any tool in QGIS which will convert these vertices into a ...
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1
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Converting iPhone coordinates into something Google Maps will recognize [closed]
How do I convert iPhone coordinates into something that Google Maps recognizes?
The iPhone coordinates save in Photoshop with the pictures I take on an iPhone but the coordinates are useless in Google ...
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1
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109
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Extracting coordinates of line feature in QGIS
I need to get the x and y or lat and lon for a line feature in order to create a unique "ID" for a project I am working on.
I know a line feature has more than one lat and lon but I just ...
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Looking for QGIS equivalent of ArcGIS "Go to XY" tool
I am wondering if there is a way to quickly add coordinates on the map as a callout (without the need of creating a shapefile).
For example, ArcMap has a nice feature (Go to XY) where you can simple ...
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Coordinate system to be used with qgis2web (QGIS to Leaflet)
For my project in University I want to create an interactive map. My Prof told me, Leaflet only uses WGS84, but he wasn't sure. When using the qgis2web plugin, should I have WGS84 as project ...
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Adding custom projection for Nepal in QGIS
I have to process data from Nepal. Modified Mercator projection(MUTM) is what I need but I can only find Mercator projection.
I used the closest Mercator projection (WGS 84 /UTM zone 45 N) for my ...
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What (if any) coordinate systems can be used so that distances can be calculated from coordinates?
I am trying to do some work that involves spatiotemporal latent surface modeling, but an issue that I am worried about is that calculating distance between two coordinates is quite a bit more ...
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Moving multiple points/shapefiles to specific coordinates using QGIS
In QGIS 3.22 I have got 2,000 points distributed unevenly over 50 shp. All the points in each shp have the same coordinates and stand for ecological observations. They are represented by displaced ...
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Extract coordinates out of list() in R (bbox) and get centroid of bbox
I have a data.frame with a column called geo. In this column, there are lists with coordinates that represent a bounding box. I would like to grab the coordinates that are inside each list and ...
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Summing on multiple attribute value on same coordinate in QGIS
I have data like this:
If we see clearly then there is same data in same coordinate, now I am doing manually like this picture which is very time-consuming.
How can do it easily in QGIS?
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Adding coordinates in different CRS to attribute table with PyQGIS
I have a point layer in EPSG:23700, but I want to save coordinates into the attribute table in a different CRS (EPSG: 4326), without transforming/changing the layer (I want to keep it in EPSG:23700).
...
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Getting only short coordinates instead of full length coordinates
I am working on OpenLayers6. And I want to show the plots.
But My plot data is not being rightly placed on original plot polygon.
What my concern is that I want to get the full-length coordinates, but ...
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212
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Extract coordinates out of list() in R
I have a data.frame with a column called geo. In this column, there are lists with coordinates that used to represent bounding boxes. I would like to grab the coordinates that are inside each list and ...
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How to calculate square kilometers based on two sets of coordinates [closed]
I'm trying to calculate the square kilometers in an area based on the most south western point and the most north eastern point. Unfortunately I have no idea how to do this. Can anyone give me some ...
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1
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Elevation dataset appears to have come with all of the Eastings wrong
I'm working with QGIS 3.12, trying to create a basemap of a mine site in Alberta for an env sci related project. I downloaded the 20k ASCII DEM from Altalis and imported the .gnp layer; which is a ...
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How to fix list brackets for list of coordinates [closed]
I am trying to populate an empty list with pairs of coordinates taken from a dictionary of pairs of coordinates.
Here is my code that is creating this list:
#Skip shorter rows
if ...
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