Questions tagged [epsg]

A group that maintains a freely available database with standard codes for coordinate systems, datums, spheroids, units and the like

Filter by
Sorted by
Tagged with
1 vote
0 answers
16 views

Getting the WKID/EPSG code as dynamic text in ArcGIS Pro Layouts

I'm trying to get the WKID/EPSG code of the Coordinate System/projection used in the map as dynamic text in a ArcGIS Pro layout. It should look something like this: ETRS 1989 UTM Zone 33N N-zE (EPSG: ...
user avatar
1 vote
1 answer
27 views

How to convert crs_wkt starting with GEOGCRS to a ogc_wkt string (to use rioxarray.reproject_match)

I have two xarray data arrays (1. land_data, 2. climate_data) that I want to reproject and match (rio.reproject_match()): climate_data_matched = climate_data.rio.reproject_match(land_data) Land data ...
user avatar
  • 33
2 votes
1 answer
49 views

Reprojecting from EPSG:3857 to EPSG:28992

I'm attempting to reproject a coordinate in EPSG:3857 to EPSG:28992. The problem I'm running into is as follows: When I use GeoPandas (ie. df.to_crs(epsg=28992)) to reproject my coordinates I get a ...
user avatar
  • 33
0 votes
0 answers
20 views

Is there a way to get/use a specific Datum Transformation in Pyproj not suggested by TransformerGroup?

I need a pyproj transformer (or at least a wkt string for the operation) going from CRS EPSG:3035 to CRS EPSG:28992 specifically using the datum transformation operation EPSG:4830. Very similar to ...
user avatar
1 vote
0 answers
21 views

Transformation from ETRS89/EPSG:3416 to ETRS89/EPSG:3035

I have already worked with the first KBS, but now I need to convert my whole system to EPSG:3035. I imported this system to my QGIS, and tried to convert everything, but now my lines/polygons are far ...
user avatar
  • 11
2 votes
0 answers
31 views

SMAP projection

I want to know how to convert the lat/lon fields in NASA's SMAP soil moisture data in HDF format to EPSG:4326. Lat/lon fields in the SMAP HDF files contain 'Latitude/longitude of the center of a 9-km ...
user avatar
  • 33
2 votes
0 answers
39 views

Transforming multiple sets of coordinates in attribute table by name of field using PyQGIS

I have a script that takes a set of points and computes the distance to nearby geographic points taken from OSM data. The output layer is the point layer with new fields showing the distance to, name ...
user avatar
  • 79
0 votes
0 answers
14 views

Problems with the projections of the WMS of Cadastral Cartography in Spain when exporting pdf plans in ArcGis

Starting from an ArcMap project (10.4.1 for Desktop) with the Coordinate System of the EPSG 25830 Data Framework (ETRS89 UTM Zone 30), I add a connection to the GIS server for cadastral mapping in ...
user avatar
0 votes
1 answer
30 views

What projection to use for checking how near a point is to a polygon?

I'm using Shapely to do some GIS analysis in Python. I have a Polygon and a Point, both in EPSG 3857 (web Mercator). I want to check whether the point is within a given distance (in metres) of the ...
user avatar
  • 171
1 vote
0 answers
24 views

entwine build produces a strange value for bounds in ept.json

I am relatively new to entwine. In our project, we have a requirement to build entwine from Laz dataset in EPSG:4326. I understand it might sound weird that we have this dataset in geographic ...
user avatar
  • 11
1 vote
1 answer
116 views

Displaying WGS 84 (EPSG:4326) coordinate grid over EPSG:3857 map in QGIS

Is there a way to either display a grid with WGS 84 decimal degrees over a map that is in EPSG:3857, something like OpenStreetMap? I've tried changing the project's the map's and the grid's CRS but I ...
user avatar
1 vote
0 answers
41 views

Horizontal coordinate adjustment using EPSG 9621 operation method in PostGIS

We have some Cartesian coordinates which needs to be applied with similarity transformation. The transformation operation method describing how to do the same is explained in EPSG 9621 method. How to ...
user avatar
1 vote
1 answer
60 views

The coordinate system is different, but the location is correct. Why is that?

From QGIS, I loaded Google Satellite from xyz tile layer, and on top of that, I took points from Google Earth to KML and sprayed them. However, Google Satellite (EPSG:4326) and Google Earth (EPSG:3857)...
user avatar
  • 375
1 vote
1 answer
105 views

Why is this shapefile not showing in the correct spot?

I have this shapefile (https://1drv.ms/u/s!AqMcxdEHKstsmgi1C7FO_81px_mg?e=09f6Ze), and this is the content of .prj file: GEOGCS["GCS_WGS_1984",DATUM["D_WGS_1984",SPHEROID["...
user avatar
0 votes
1 answer
147 views

How to convert EPSG:28992 to EPSG:4326?

I have a list of coordinates which I need to convert to longitude and latitude in the following way: What are the math transformations and formulas used to achieve this?
user avatar
3 votes
1 answer
37 views

Getting specific block from UTM CRS, not the zone

from pyproj import CRS, Proj import utm lat = 10.269558 lon = 25.234 coordsUtm = utm.from_latlon(lat,lon) crs = CRS.from_dict({'proj': 'utm', 'zone': coordsUtm[2], 'south': False}) I want, ...
user avatar
  • 41
1 vote
1 answer
68 views

If NAD83 is a datum and not a projection, what is happening when set CRS = EPSG:4269 (NAD83)

My understanding is that different projections can use the NAD83 Datum i.e. UTM, Lambert Conformal Conic. But what happens when I'm working in R and I set the CRS of a shapefile to EPSG:4269 (https://...
user avatar
1 vote
0 answers
40 views

Layer extent value not matching with CRS extent

I want to clip a polygon layer to an extent of another polyline layer. I want to use extract layer by extent processing tool, I want to automatically fetch the extent of my polyline layer along with ...
user avatar
2 votes
2 answers
130 views

Get the right SRID (AUTHORITY) of the .shp

I have a Geopandas Dataframe and here is the result of its SRS when I print it as WKT: print(vector_gdf.crs.srs) 'PROJCS["RGF93_Lambert_93", GEOGCS["GCS_RGF93", DATUM["...
user avatar
  • 291
2 votes
0 answers
50 views

Use Mollweide projection in Leaflet, for a Geoserver WMS layer

I did a world map in Geoserver, showing in Leaflet in the default projection, which is EPSG:900913 (aka GOOGLE Mercator) but I would like to use the Mollweide projection instead. I successfully added ...
user avatar
0 votes
1 answer
50 views

Buffering like set to lat/lon degrees but layer is set to UTM reprojection - EPSG: 32611

I have two line and point features to buffer. I have reprojected to UTM EPSG: 32611 for both. Please, see screen capture showing the direct GeoPackage layer properties and not from the Layers window. ...
user avatar
0 votes
2 answers
78 views

How to work with an ESRI projection in R using sf?

I want to use the Africa Albers Equal Area Conic projection for some analyses on animal territories that span the African continent. https://epsg.io/102022 Unfortunately this has a ESRI code rather ...
user avatar
  • 41
0 votes
2 answers
54 views

GeoJSON from GIS Steiermark not convertible to Feature in ArcMap

I want to convert a GeoJSON (downloaded from GIS Steiermark) to a feature in ArcMap (the JSON I want to import is a polygon of the Riegersburg in Austria). This does not work. After checking the JSON ...
user avatar
0 votes
0 answers
30 views

Transferring TIFF-File (EPSG:3035) located in Irael to Germany (EPSG:25832) using QGIS

I've loaded 4 TIFF-Raster-Files (EPSG:3035) in QGIS. Unfortunately those are located in other countries than they need to be. (Need to be in Germany..) The last time using TIFF-Files it worked out to ...
user avatar
2 votes
0 answers
480 views

Why ellipsoidal distance measured in EPSG:7030 in QGIS?

I measure distance (km) in QGIS (Ctrl+Shift+M) . In Ellipsoidal, it using CSR EPSG:7030. In Cartesian, they didn't say what projection is used. If it using ellipsoidal option, does it mean measured ...
user avatar
  • 95
1 vote
1 answer
62 views

Python GDAL convert vertical raster point

The following command allows me to convert from height above geoid to height above ellipsoid: gdaltransform -s_srs EPSG:4326+5773 -t_srs EPSG:4979 Enter X Y [Z [T]] values separated by space, and ...
user avatar
2 votes
1 answer
136 views

Combining two shapefiles with different map projections in QGIS

I collected point data in EPSG:26909 in QField when it was supposed to be in EPSG:26910. Now I have one shapefile with a different projection and I want to change it to EPSG 26910 and combine the ...
user avatar
0 votes
1 answer
149 views

Is OpenStreetMaps's Nominatim "Centre Point" the centroid and what EPSG is it?

I looked up a couple of places on OpenStreetMap's Nominatim, like Bruck an der Mur, and I could not confirm whether the reported coordinates are indeed the same thing as the centroid, and which EPSG ...
user avatar
1 vote
0 answers
67 views

Finding local EPSG code for WGS84 coordinates offline

My task is convert WGS84 latitude/longitude coords to local Russian coords system and back. I found that there are several EPSG codes for local systems 28400:28430 (mb even more). There are several ...
user avatar
2 votes
0 answers
48 views

NAD83(CSRS) EPSG code vs Helmert parameters

NRCan provides helmert parameters which can be used to go from ITRF08 to NAD83CSRS. (https://webapp.geod.nrcan.gc.ca/geod/data-donnees/transformations.php?locale=en). I can put these into a proj4 ...
user avatar
  • 23
3 votes
2 answers
132 views

What does it mean if a Coordinate Reference System is deprecated?

Recently, I have discovered, that the EPSG:4328 is "deprecated". I have also found a list of EPSG codes which are deprecated here. EPSG:4328 has this definition: GEOCCS["WGS 84 (...
user avatar
  • 250
14 votes
2 answers
556 views

Why accurate area of all countries cannot be obtained using a single EPSG code, even if it corresponds to an equal-area projection?

I would like to check if using different equal-area projections lead to near-identical area estimation for a list of countries. Importing modules: import numpy as np import geopandas as gpd import ...
user avatar
  • 250
2 votes
0 answers
31 views

Converting map projection from OGP XML to WKT

I need to use this map projection but epsg.io only offers the definition in OGP XML. I'll need it in WKT to load into QGIS. Does anyone know how to convert it? https://epsg.io/19872
user avatar
  • 21
2 votes
2 answers
134 views

Is there a way to get/use a specific Transformation in Pyproj?

I have a specific transformation code that I would like to employ to transform one set of coordinates to another. Specifically the EPSG:15851 transformation. Is there a way to create a new Transform ...
user avatar
4 votes
1 answer
461 views

GeoPandas Warnings unless wrong EPSG is used

Recently I've found out that GeoPandas has a world map available: import geopandas as gpd world = gpd.read_file(gpd.datasets.get_path('naturalearth_lowres')) Looks beautiful: world.plot() world.head(...
user avatar
  • 250
2 votes
2 answers
64 views

GeoTools read shapefile without EPSG in prj file

I'd like to improve the accuracy of reading a shapefile (password is "helpme") which has no EPSG specified in prj file.When I read the shapefile with geotools 21.0 I get this result (...
user avatar
  • 95
6 votes
1 answer
1k views

Convert GPS coordinates into 3-dimensional cartesian coordinates (x,y,z)

In a nutshell: What is a valid EPSG code for an earth fixed 3-dimensional cartesian coordinate system? If it is 6500: How can I trick the python library pyproj into using this 3D coordinate system ...
user avatar
2 votes
1 answer
121 views

Custom-derived CRS by affine transformation from EPSG:32633: Setting as layer-CRS works only for current QGis-session. Information lost after restart

I am working with QGIS 3.16, Win10. With help of another SE-user I created several derived CRS by an affine transformation from EPSG:32633 CRS (see below) in order to shift some related layers a ...
user avatar
  • 427
1 vote
1 answer
39 views

GDAL extracted EPSG not compatible with Fiona

I am creating Shapefiles from features extracted from JP2 images in python. My current method of creating Shapefiles by extracting the EPSG from the source image with GDAL and using Fiona is as below ...
user avatar
0 votes
1 answer
129 views

Choosing coordinate reference system (CRS) for the European Alps [closed]

I am looking for a suitable projected coordinate reference system (CRS) for the European Alps. Requirements: Extent: Covering the whole European Alps: Horizontal: 4.5°...17° Vertical: 43°...48.5°. ...
user avatar
  • 108
3 votes
2 answers
372 views

Converting CRS from EPSG:4326 to EPSG:32635 using PyQGIS

How in QGIS 3.16 to convert from CRS EPSG:4326 to CRS EPSG:32635 using Python? I got this error: exec(open('C:/Users/aaa/AppData/Local/Temp/tmpovpzt0d0.py'.encode('utf-8')).read()) Traceback (most ...
user avatar
  • 51
1 vote
1 answer
220 views

Setting CRS with EPSG code when writting shapefile with Fiona

How to set the CRS when writing an ESRI Shapefile using Fiona on a modern Python version (>3.x)? Why "modern"? Because Python 2 is now deprecated and this user asked a similar question ...
user avatar
  • 6,698
0 votes
0 answers
83 views

How to reproject a .LAS file from WGS84 UTM 32N to CH1903/LV95

I have a large .las point cloud (around 11GB) generated from pix4d and I need to convert its coordinate system from EPSG:32632 to EPSG:2056. I was able to export it as a CSV file but I am not able to ...
user avatar
1 vote
1 answer
39 views

What is the correct coverage area of EPSG:2901: Australia or Montana, US?

The two main websites I check CRS info disagree about what the CRS EPSG:2901 is intended for. Curious whether anyone can shed some light on this conflict. https://epsg.io/2901-area says Australia ...
user avatar
1 vote
1 answer
126 views

How do I dump PROJ EPSG database to PROJ4JS-compatible PROJ strings?

I would like to know how I could dump the entire current/latest PROJ database of EPSG codes to PROJ4JS-compatible strings? I have interrogated the proj.db using DBeaver and found that most of what I ...
user avatar
  • 2,599
0 votes
1 answer
96 views

Which grid mapping to use for CF convention with EPSG 3411? [closed]

I have been trying to make a netCDF dataset compliant with the CF conventions. The dataset is currently in the EPSG 3411 NSIDC Sea Ice Polar Stereographic projection (i.e., x and y coordinate ...
user avatar
1 vote
0 answers
252 views

Reproject polygon from 3857 TO 4326 with R or QGIS

I am trying to reproject a vector from EPSG:3857 to EPSG:4326. The data is originally available as an ArcRestful API Canadian population tiles When I bring in the layer into QGIS and save it out as a ...
user avatar
  • 9,203
0 votes
0 answers
104 views

Lookup Projection Name from EPSG with ArcPy

Using ArcPy, how can I return the name of the projection based on an EPSG code, not a shapefile? There are many questions/answers out there for doing something similar from a specific shapefile using ....
user avatar
  • 881
0 votes
0 answers
147 views

What is the projected coordinate system equivalent for ETRS89?

ETRS89 (EPSG: 4258) is the EU-recommended frame of reference for geodata for Europe 1. This coordinate system is geographic. However, in the software world, we need to transform it into a projected ...
user avatar
0 votes
1 answer
228 views

OGR reports incorrect SRS for GeoJSON

OGR (GDAL 3.2.2) appears to incorrectly read the SRS of GeoJSON features and I would like to know if there is anything I can do to prevent this. I have two GeoJSON files and both represent the same ...
user avatar
  • 3,576

1
2 3 4 5
9