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Questions tagged [epsg]

107 questions
10
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2 answers

PostGis Distance Calculation

I am doing a indoor map navigation application right now and what I am trying to do is to build a database of map point in the building. All of the coordinate I use is taken from Google Map (which means the EPSG is 3857). What I need to do now is to…
Thomas Dang
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4 answers

Converting coordinates from EPSG 3857 to 4326

I have in my DB a list of coordinates in EPSG 3857 format. I need to convert them in EPSG 4326 I'm trying to use DotSpatial but my code always retun a double array of Infinity. public double[] ConvertCoodinates() { double[] xy = new…
Sethlans
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Android compute right bbox for WMS getFeatureInfo

I'm trying to make a request to my Geoserver to retrieve the features near the tap of a user on the map. The map takes all the space. Therefore I computed the BBOX in this way: region = mMap.getProjection().getVisibleRegion().latLngBounds; double…
Jibbo
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Export coordinate system as ESPG code: to_epsg() or ExportToEPSG()

When dealing with coordinates systems in Python with fiona and osgeo, there seem to be a lot of ways to define a coordinate system by importing/exporting different crs formats , for example: FIONA: from fiona.crs import…
Marjan Moderc
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8 answers

CRSError: Invalid projection: epsg:4326: for geopandas

I am using anaconda for geopandas. However, everytime I try to use epsg:4326:, it gives an error. CRSError: Invalid projection: epsg:4326: (Internal Proj Error: proj_create: SQLite error on SELECT name, type, coordinate_system_auth_name,…
Lyliie
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geopandas to_crs() return ProjError: x, y, z, and time must be same size

How can I convert this geodataframe with polygons in it from epsg:32748 to epsg:4326? I have a geodataframe called poi_shp_utm_buffered which looks like this | | PlaceID | Official_N | Primary__1 | Full_Stree |…
Amri Rasyidi
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(Geotools library) How to convert Korean coordinates (EPSG:5179) to Decimal Degree coordinates (EPSG:4326)

I have a problem when converting from Korean 2000 Coordinates System (EPSG:5179) to Decimal Degree (EPSG:4326). We are developing Geographical Information System for Korean company. We were using Geotools library for mulitiple backend…
Sebastian Słupiński
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OSM: convert ties from projected coordinates in spherical mercator "EPSG:900913" to "EPSG:4326" coordinates

I'm using a map with a layer (from the example): var lonLat = new OpenLayers.LonLat(40.4088576, -86.8576718) .transform( new OpenLayers.Projection("EPSG:4326"), // transform from WGS 1984 …
1gn1ter
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How to Reproject GeoJSON without crs property to WGS84 (to use React Leaflet)

(Please help I've been struggling with the same problem for more than three days...) I got GeoJSON file from National Statistical Office, which means it's official data- and the coordinates in this file look like this-…
dahyeko
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How to convert an EPSG coordinate to a latitude / longitude?

I have the following OpenGis data, which I want to convert to a latitude/longitude coordinate (as used by Google maps).
142629.0…
Arnold Daniels
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OpenLayers 3 : map doesn't display anything while working with EPSG:2169 instead of EPSG:4326

I'm currently doing a Proof Of Concept involving OpenLayers and I'm facing an issue. I follow this official sample to try to load a map with raster and WFS layers : http://openlayers.org/en/latest/examples/vector-wfs.html I can make this sample…
JCB
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Geopandas to_crs gives wrong coordinates after transformation

I am trying to plot a shapefile as points a Folium map but am pulling my hair out trying to get the projection correct. The data is in the EPSG:28992 system, the RD new coordinate system. This is a projected coordinate system, thus it gives…
jcnc
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How to receive EPSG code from PROJ4 string using R?

How to receive the EPSG code from a PROJ4 string using R? I have a bunch of raster datasets (randomly distributed all over the world, northern and southern hemisphere), with coordinate reference system UTM WGS84. Now I would like to find out the…
ExploreR
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OpenLayers: Map doesn't render with a non 'standard' EPSG-code

I have a problem with getting a map in EPSG 3031 to work. From my research I have already learned that the parameters for the projection have to be defined in the javascript file, which accordingly to epsg.io works fine in my script. But when I use…
SurveyingSurveyor
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Attempting to generate a regular geographic grid using python - lat/lng exceeds limits

I want to retrieve all lat/lon coordinate pairs of a regular grid across the US. I've sourced the following code from an earlier stacked question: import shapely.geometry import pyproj #…
user3200950
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