Questions tagged [epsg]

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

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proj4js with geocentric CRS

I am developing a little web app to transform coordinates between CRSs. To do that I am using proj4js, but I notice that proj4js can't work with geocentric CRSs. Is there another tool similar to ...
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347 views

EPSG:4326 being saved as CRS:84

I am trying to save a GeoJSON file in QGIS as EPSG:4326, but it keeps being saved as CRS84. EPSG:4326 and CRS84 are the same except CRS84 saves coordinates as long, lat - and EPSG:4326 saves them as ...
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How to set GDAL/cs2cs/proj to use NTv2 grid shift file when using EPSG codes?

I am using the GDAL API for Python for a script that takes only EPSG codes for inputs to specify source and target coordinate systems. While the cs2cs command seems to handle quite well ...
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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 ...
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0answers
78 views

Using different EPSG in QGIS projects

I have 2 projects, with data from different regions and with different EPSG, 1 with EPSG 31983 and the other with EPSG 31984, according to the folder structure shown below, in Windows explorer. In ...
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0answers
25 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 ...
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0answers
51 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 ...
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0answers
30 views

Determine if a coordinate reference system is projected from Proj text

I'm looking for a reliable way to determine if a coordinate reference system is projected or not based on its Proj text. As examples I'm looking at EPSG:3857 and EPSG:4326 EPSG:3857: +proj=merc +a=...
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0answers
67 views

Get length of a line stored in SQL Server Geometry column with srid 4326

I have some spatial data stored in SQL database geometry column called sp_geography (The field is defined as Geometry). The SQL below: f.sp_geography.STLength() returns, for example 0....
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230 views

osm2pgsql import OSM data in EPSG:27700

I am trying to use osm2pgsql on Windows to import OSM data to a PostGIS database. I want to pass the EPSG:27700 via the --proj option as follows: osm2pgsql --proj 27700 <other options not shown>...
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0answers
759 views

Convert coordinates with Proj4Leaflet from EPSG:25832 to leaflet 3857

I have a wmts server, and try to add this tiles to leaflet with proj4leaflet. My code is here //this one is fine var main = L.tileLayer( 'http://****&zoom={z}&x={x}&y={y}',...
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717 views

From ESRI:103300 to EPSG:4326 in SQL Server

This question is more or less a sequel to Performance of joining tables on a geometry column with SQL Server As explained in the above link, I have a shapefile that I upload to my SQL Server DB using ...
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71 views

Reprojecting trouble: shapes saved in one EPSG load as another EPSG in QGIS and are 200m off?

I'm in a mixed working environment with some ESRI licenses and several people working with QGIS. For a project, we created data and received data in EPSG 31468 (Gauß-Krüger Zone 4). We now need to ...
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231 views

Reprojecting EPSG:5514 to EPSG:3857 for use in Leaflet

I have one JPG (170 MB) and JGW file of a small area projected in EPSG:5514 (Image provider told me.) JGW file: 0.1250000 0.0000000 0.0000000 ...
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545 views

Reproject XYZ tile layer on the fly in Openlayers 3?

I have an Openlayers 3 application which has a default map projection of EPSG:27700 with both base layers and WFS layers using the same system as well as various mapping tools like measuring options. ...
2
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58 views

How are ground control points collected that aren't in WGS84?

I understand that if you collect GCPs using an RTK GPS they are in WGS84 / EPSG:4326 - and you could then convert them to another EPSG. But I'm wondering how GCPs are collected in other coordinate ...
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705 views

EPSG of “Albers equal area conic projection (WGS 1972)”

I am trying to work with a raster I found here: http://geoplaza.vu.nl/data/dataset/continental-scale-quantification-of-landscape-values-using-social-media-data The authors report the spatial ...
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218 views

Why is EPSG:4326 projection making trouble with the zoom?

I'm quite cartography illiterate. I implemented an OpenLayers 3 map on my website and everything's working fine except for the zoom in/out. The first time the map loads, I can zoom into any city and ...
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334 views

Display EPSG:3844 ArcGIS WMTS service in OpenLayers: origin axes in wrong order

I'm trying to display a EPSG:3844 WMTS service from an ArcGIS server in OpenLayers 3.20.1. In order for it to be displayed correctly, I need to manually swap the origin coordinates found in the ...
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422 views

GeoServer GeoPackage plugin fault

I am having difficulty adding a .gpkg raster store to geoserver with the GeoPackage community plugin installed. I can successfully accomplish .gpkg in and out with EPSG:4326. Using EPSG:3857 I can ...
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273 views

Heatmap on globe - distortion problems

I want to display a heatmap (png) on a globe in an android app. The heatmap is generated programmatically. The heatmap consists of colored circles. I upload the png to geosserver and display it as ...
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55 views

EPSG codes and water level datums

I'm curious if, and how, people use EPSG defined water level vertical datums such as Mean Low Water. There is specific guidance to not use the OGP EPSG definition: Remarks: Users are advised to ...
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0answers
689 views

“could not get any sources: no image returned from source WMS” error in mapproxy demo

I am trying to connect my mapserver to MapProxy. First part of the map file is shown below MAP FONTSET "fonts.lst" IMAGETYPE png MAXSIZE 4000 SIZE 800 800 EXTENT -20000000 -20000000 20000000 20000000 ...
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29 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 ...
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148 views

Missing EPSG:3035 in GDAL/QGIS

My fresh QGIS 3.10.3 installation from https://qgis.org/debian-ltr eoan main via apt install on Ubuntu 19.10 is missing (at least) one CRS. More specifically, I cannot find/select the EPSG: 3035 ...
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52 views

SR EPSG 3035 ETRS/LAEA Europa to EPSG: 6204 Macedonian State Coordinate System python

I would like change a raster dataset from EPSG: 3035 (ETRS89/LAEA Europa) to EPSG: 6204 (Macedonia State Coordinate System) My WKT for the first coordinate system is: PROJCS["ETRS89 / LAEA Europe", ...
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59 views

Getting EPSG codes from Dotspatial.Projections

I have installed Dotspatial.Projections in my Visual Studio C# project. I have not found a way to get the EPSG codes. Is there a way to do this using the Dotspatial.Projections library?
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75 views

Generate EPSG:4326 Vector Tiles

My goal is to create EPSG:4326 vector tiles (using Plate Caree) that can be served in Leaflet. I currently have a .shp file, which I converted to a geojson file using ogr2ogr. The main obstacle to ...
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0answers
609 views

ERROR 6: EPSG PCS/GCS code 102027 not found in EPSG support files

I am trying to insert spatial data from GeoJSON to PostgreSQL database and before it I am to reproject geom from EPSG:4326 to EPSG:102027. When working on Windows there were no problems with CRS, but ...
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74 views

Importing Shapefile into PostGIS and EPSG of created table is different from Shapefile?

I'm trying to import a Shapefile into PostGIS using the ogr2ogr, but it seems that the OGR is not automatically getting the EPSG from Shapefile. My Shapefile has EPSG 4618, but the table created by ...
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0answers
140 views

Leaflet points off from correct spot on map

I am working on updating our map from OpenLayers 2 to Leaflet. I have my own set of tiles that are working correctly on OL2 but on leaflet any point I draw seems to be incorrect (further south and ...
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390 views

Why is DWITHIN filtering my data with native EPSG 4326 with meters instead of degrees?

Ok so I have a PostgreSQL Table, to which I added a PostGIS geometry column using: SELECT AddGeometryColumn ('public','my_table','geom',4326,'POINT',2); Followed by: UPDATE public.my_table SET geom ...
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190 views

Geoserver WMS WMTS offset EPSG:3059

How is it possible that Geoserver WMS map works perfectly in GIS software but the same map cached using integrated GeoWebCache using the same coordinate system gives the same map in other location. I ...
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154 views

Convert bbox in meters (stereographic projection)

I need to convert the bbox H-SAF area [25-75°N lat, 25°W-45°E long] in meters in the stereographic projection (EPSG:3413 WGS 84 / NSIDC Polar Stereographic North). How can I solve this?
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802 views

In OpenLayers 3, transformExtent to EPSG:8155 produces error

I'm trying to get the extent of a map using OpenLayers 3, so that I can use it in a CQL filter to limit the area of the WMS request to the area currently shown in the map extent. To do this, I have to ...
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0answers
177 views

Projection Issues - OpenLayers / MapServer / NAD83 State Plane FT

I am having projection issues with OpenLayers version 2.13 with MapServer and the Proj4 library. Pulling layers in NAD83 State Plane Feet projections on top of an OSM or MapQuest Base Map in Google ...
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0answers
84 views

opengeo suite sdk gxp EPSG

I am working in a viewer with suite sdk gxp and I can see my layers, but some of them in the viewer are located wrong. I have checked postgis and geoserver and every layer is ok with the same EPSG, ...
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521 views

Leaflet CRS.Simple or CRS.EPSG3857 conversion Problem

I'm using v-leaflet (0.61) , a vaadin plugin, to visualize some layers over a map. Clicking on the map, I create a wms query to geoserver. The query needs some parameters and one of them is the bbox. ...
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479 views

Show a kml (which uses longitude and latitude EPSG:4326) in “google/OSM” projection (EPSG:3857) in open street map

I am showing a kml layer, over OSM. The points in the kml are latitude/longitude (EPSG:4326). I don't have to convert any points or anything, it all just works. Great! Now, the client also wants to ...
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146 views

Why do I get unexpected coordinates after converting EPSG 102014 to EPSG 4326?

I have this Europe map (EPSG 102014) and I am trying to convert it to EPSG 4326 using geoconverter.hsr.ch After the conversion is done, I expect that coordinates are in the range of -180,180 and -90,...
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0answers
474 views

OpenLayers WMS to Leaflet with EPSG:2170 projection

This is the original code for OpenLayers 2 var res = [ 1000.0 / 4.0, 1000.0 / 8.0, 1000.0 / 16.0, 1000.0 / 32.0, 1000.0 / 64.0, ...
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586 views

Getting: org.opengis.referencing.NoSuchIdentifierException: No transform for classification “Transverse Mercator Zoned Grid System” with geotools

Using geotools I've been trying to create a referenced envelope after converting/reprojecting from WGS 84 to UTM with specific zones and it seems that either I need to do something with authority ...
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18 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....
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0answers
22 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 ...
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26 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 ...
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29 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[&...
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0answers
46 views

Incorrect projection when converting GeoJSON to shapefile via OGR2OGR

I've created a GeoJSON file whose projection, for example, is EPSG:2154 / Lambert93. I've converted it to shapefile using OGR2OGR. But .prj file includes WGS84 description instead of Lambert93, as ...
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24 views

raster2pgsql populates wrong authority

I'm trying to load a raster in .tif format that is in EPSG 42303. I use the following raster2pgsql -d -C -M -I -s 42303 -t 100x100 filename.tif schemaname.tablename | psql -d dbname -U username The ...
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36 views

CRS transformation WGS 84 UTM 30N (EPSG: 32630) to ETRS 89 UTM 30N ( EPSG: 25830)

I have a coordinate table with EPSG 32630 (WGS 84 UTM30N) and when I try to transform them to EPSG 25830 (ETRS 89 UTM30N) the difference between them are marginal. I´m using QGIS doing the following ...
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11 views

PROJ4 string for Gauss Conform Clarke 1880

This CRS was used to produce a set of 1:250 000 topocadastral maps for South Africa. I can't seem to find an appropriate PROJ4 string for it online.