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
0answers
13 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 ...
3
votes
2answers
66 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 (...
7
votes
0answers
121 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 ...
1
vote
0answers
16 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
2
votes
2answers
41 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 ...
3
votes
1answer
92 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(...
2
votes
2answers
28 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 (...
6
votes
1answer
366 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 ...
1
vote
1answer
27 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 ...
1
vote
1answer
25 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 ...
0
votes
1answer
56 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°. ...
3
votes
2answers
109 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 ...
1
vote
1answer
34 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 ...
0
votes
0answers
27 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 ...
1
vote
1answer
34 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 ...
1
vote
1answer
69 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 ...
0
votes
1answer
25 views

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

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 ...
1
vote
0answers
66 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 ...
1
vote
1answer
60 views

QGIS WFS not displaying in right orientation

I'm currently working with Natural England layers provided on data.gov. The WMS layers display where they should for EPSG:27700, but the added WFS layers do not. When zoomed out to show the extent, ...
0
votes
0answers
24 views

QGIS load error ("No transform between 4326 and Customer projection", and "Resource locator error")

I'm having an endless issue with my QGIS install on start up. I m using 3.18, on Ubuntu Budgie and on startup, it gives me a no-transform error between 4326 and custom. Not sure what customer means ...
0
votes
0answers
34 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 ....
0
votes
0answers
59 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 ...
0
votes
1answer
72 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 ...
0
votes
0answers
41 views

ogr2ogr: projection issue when converting a GeoJson to a Shapefile

I want to convert a GeoJSON into a shapefile with the ogr2ogr command using the Spyder Python interpreter. args = ['ogr2ogr', '-f', 'ESRI Shapefile', SHP_FILENAME, GEOJSON_FILENAME] The output ...
0
votes
0answers
41 views

Pdal and Earth Curvature/which EPSG

I am attempting to combine Lidar data that we capture using a scanner (which is real-world accurate) and USGS Lidar data. I am currently using Pdal and Entwine to download and reproject the section of ...
0
votes
1answer
139 views

Convert coordinates from EPSG 4326 to EPSG 28992 in PostGIS

I imported a CSV file with coordinates into a PostGIS table. This table contains a column "latitude" and a column "longitude". The coordinates in these columns are in EPSG:4326. ...
0
votes
0answers
46 views

Dealing with data of regions situated in two UTM zones using GDAL

I must work with a projection, in order to execute the intended geometric operations. I'm looking for a projection that could cover an area of up to 200km X 200km. I'm aware of some local projections, ...
0
votes
2answers
220 views

Finding an EPSG code for a LiDAR file given only its metadata

I am working with v1.4 .las files from El Paso County, CO, that individually appear without any reference to their projections (none that R sees, anyway). From the metadata I can see the following ...
0
votes
0answers
77 views

geopandas.to_crs(epsg=3395) does not work in jupyter notebook. it seems some mismatch with pyproj & geopandas versions?

After importing geopandas df , with epsg =4326, I tried to re project it to epsg =3395 using gdf.to_crs(epsg =3395) in jupyter python note book. I got error "RuntimeError: b'no arguments in ...
8
votes
2answers
140 views

Finding out whether an EPSG code is geographic or projected in Python

Can one tell that from the number of digits or a similar rule?
1
vote
1answer
54 views

What type of coordinates are these and how to transform them to standard WGS84 (EPSG:4326)? [duplicate]

I have the coordinates : North = 861597.4129 , East = 1063313.808 All I know is that they should belong somewhere in the city of Cali, Colombia. I have tried different Colombian EPSG codes but I still ...
1
vote
1answer
60 views

How to reproject .las file from known EPSG (6499) to a custom coordinate system with WKT?

I am trying to use PDAL (filters.reprojection) to convert a .las file from a known EPSG:6499 to a custom projection. Can I just put my WKT string into the pipline? "type":"filters....
3
votes
0answers
122 views

EPSG:3857 to 4326 - incorrect geometry

I need to get simplified boundaries of all countries with some buffer around them (20 km). I am using QGIS, I converted my country polygons vector layer from 4326 to 3857, set buffer, used simplify ...
6
votes
1answer
69 views

Creating new mapset with Python and EPSG 4326 (Invalid north field 1N)

I am using grass 7.8. I have been trying to create a new location and then a new mapset in python. It works fine for any EPSG code except 4326. With EPSG 4326, when I try simple commands (like ...
2
votes
2answers
86 views

Mapping lat/lon coordinate pairs to a given EPSG:4326 projected cartesian coordinate system

I want to find out the timezone a GPX track is in by looking up the first coordinate pair. I took the shapefile from Timezone Boundary Builder and created a PNG image via qgis from it (using the ...
0
votes
0answers
49 views

Difference between transformation values in Proj4 npm and epsg.io

The values are not matching with other online tools for the conversion using Proj string and in the case of wkt format, the conversion using -ive value doesn't match. While using WKT string in epsg ...
0
votes
0answers
17 views

GeoJSON EPSG::3857 to normal format (example normal format for Mapbox studio) [duplicate]

I'm really a novice in the field of the Geographic Information Systems (not to say that I don't know anything about it), but I retrieve via a WFS service some GeoJSON data. The problem is when I want ...
2
votes
1answer
64 views

"init" CRS vs regular CRS in GeoPandas

I have a shapefile which I read in via import geopandas as gpd shapes_df = gpd.read_file(shp_f) print(shapes_df.crs) The output was {'init': 'epsg:3857'} I then reprojected via shapes_df = shapes_df....
0
votes
0answers
42 views

How can one transform XY and Z coordinates to another coordinate system?

How can we convert X ,Y and Z values from one coordinate system to another coordinate system using node js or any other similar packages or equations without directly using the convertor tools ...
0
votes
1answer
58 views

Data from EPSG dataset in proj format

In the EPSG dataset obtained from https://epsg.org/home.html where to find the values to fill up the field of +proj =" or +zone= " (to be in proj.4 string)from the database itself? Will the ...
4
votes
1answer
75 views

Wrong coordinates in layout

My map is not exporting the right coordinates. As you can see it makes a local sistem. It should be around 46 N , 20 E. Do you have any idea what am I doing wrong?
2
votes
0answers
53 views

Visualizing resource dependencies and relationships underlying EPSG CRS

I'll go straight to the point; I remember long ago that I was quite shocked the first time I discovered that EPSG:4326 was kind of an "umbrella" definition on top of many others, which often ...
0
votes
0answers
36 views

QGIS CRS for Aruba

I am trying to open geodata from Aruba in the projection "Transverse Mercator Aruba". Does anyone know what EPSG this is? How can I view this in QGIS in the following projection: PROJCS[&...
0
votes
1answer
237 views

Euclidean distance units for WGS84 files?

I have a lake raster file and I want to calculate the euclidean distance. My raster file is in EPSG 4326 and I use the r.grow.distance from GRASS GIS through QGIS plugins. What are the units from the ...
1
vote
1answer
69 views

writeRaster() not preserving EPSG information

I need to upload some rasters in .tif format to a geoserver that requires EPSG information to correctly display the data. When I assign an EPSG using crs() to a raster that is in memory, the WKT ...
1
vote
1answer
67 views

EPSG for TanDEM-X Ellipsoid

I have TanDEM-x data and according to the documentation: "The elevation values represent the ellipsoidal heights relative to the WGS84 ellipsoid in the WGS84-G1150 datum." I would like to ...
0
votes
1answer
508 views

How to find a shapefile's correct EPSG code

My company uses inhouse software in order to survey and we need to manually specify an EPSG code in order to set up a project and then add shapefiles. However, there is some confusion on my part ...
5
votes
1answer
247 views

Understanding EPSG in WKT

I notice several EPSG codes in one WKT. At the first glance it almost is non-intuitive to see so many EPSG codes linked to a single EPSG. Can someone explain each line of the following WKTs for EPSG:...
6
votes
1answer
133 views

Where do I find CRS axis names?

When using the SUBSETTINGCRS argument of a WCS query, one needs to provide the axis labels in the subsetting CRS. This answer to GeoServer does not work WCS parameters "subsettingcrs" and &...
1
vote
1answer
184 views

Leaflet with EPSG:3765; GridLayer.js:661 Uncaught Error: Attempted to load an infinite number of tiles

I am not sure about Leaflet 1.7 possibility to show layers in EPSG:3765. Not sure because from Leaflet docs it is not possible but I found something like Proj4Leaflet and it looks like it can... I get ...

1
2 3 4 5
8