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Questions tagged [epsg]

107 questions
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Fundamental misunderstanding with crs and map projections in R

I think I have a fundamental misunderstanding with how using crs and map projections work in R. First let me show what my final goal is here. I would like to create something like the following: Using rnaturalearth. Specifically I am interested in…
Fish_Person
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geopandas to_crs epsg:3347

import geopandas as gpd import matplotlib.pyplot as plt world = gpd.read_file(gpd.datasets.get_path('naturalearth_lowres')) world.to_crs('epsg:3035').plot() plt.show() changing to epsg:3347 gives wrong projection. import geopandas as gpd import…
paugam
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OpenLayers not showing Vector from WFS

I'm working on creating a web GIS app with OpenLayers. I'm having a difficulty with fetching data from WFS GeoServer. The data is correctly downloaded, however it is not being drawn in any way. It's just not visible. The WFS server uses polish units…
T3chnoM4ciej
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QGIS: 2 layers using different CRS

I am trying to draw a map of tree protection orders locally. I have a .shp file which uses CRS: EPSG 4326. I can add this to a project and see something that looks sensible, but with no context of roads etc. I then try to add a basemap layer of…
Carrie Pailthorpe
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How to create Geopandas buffers for locations around the World

I have a location dataset (points long & lat) for events that happened around the World. I want to create 5km rings around these locations using Geopandas.buffer function. As explained in a previous post, I first transform to meters and then compute…
virginia
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Proj4: How to convert coordinates from EPSG 4326 to EPSG 31370

Need to convert coordinates of Leaflet.js Map from EPSG 4326 to EPSG 31370. What I did till now: Defining EPSG 31370 proj4.defs["EPSG:31370"] = "+proj=lcc +lat_1=51.16666723333333 +lat_2=49.8333339 +lat_0=90 +lon_0=4.367486666666666 +x_0=150000.013…
Muhammad Yasir Ali Khan
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proj_create_from_database when reading a raster with terra package

I am trying to read several rasters using the terra package; first I get a vector with the file names and then I use the rast() function to read the files. Land_variables_files <- list.files("Land_Variables1", pattern = '.tif$', full.names =…
Lore_Bernicchi
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GeoPandas: Changing the CRS in a GeoDataFrame created through iteration

I'm having a bit of trouble changing the CRS in a GeoDataFrame created by iterating over a larger dataset. The epsg is set to the correct value (5070, an Albers Equal Area projection using meters) but when plotting the data GeoPandas uses the wrong…
James
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GDAL/PROJ fails to get SRS for gdalwarp

I'm having an ongoing issue with latest versions of GDAL (3.5.2, 3.6.0). I have an application that depends on the GDAL library for a number of functions, in this case merging multiple rasters and outputting a GeoTIFF. Previously, I was using gdal…
Joseph T. Richardson
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Combining WMTS and WMS in OpenLayers for custom projection

I want to combine two layers for my map, ortophoto map and on top of that, polygons showing parcel boundaries. For ortophoto I have available WMTS and for polygons WMS. Projection I need to use is EPSG:3765. The problem is, when I combine these two…
user2801516
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Raster and Shapefiles not lining up using Geopandas, Rasterio, and Contextily

I am trying to get a DEM raster to line up with a shapefile in Python, but it will not show up no matter what I do. This is for lab exercise, the entire rest of the exercise relies on these lining up, as I will be extracting data from the raster and…
MrBlueSky
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datum conversion from NAD27 + NGVD29 height (ftUS) to NAD27 + NAVD88 height (ftUS) using python

I am using python pyproj to convert xyz values of Louisiana, USA region from NAD27 + NGVD29 height (ftUS) to NAD27 + NAVD88 height (ftUS). So, I am not changing the horizontal projection (because it's NAD27 for both), only the vertical projection…
ZVY545
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Converting EPSG 2056 GeoTIFF files to NetCDF format

I am trying to convert GeoTIFF (.tif) files to NetCDF (.nc) format. These files are in the Swiss coordinate system (EPSG:2056 - Swiss CH1903+ / LV95) but unfortunately, when using standard GDAL commands, the conversion fails. Often a netcdf file is…
Marcus Gastaldello
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Offset of 170m when plotting a map with Cartopy add_wms in EPSG 2056 (LV95) from SwissTopo

Using Matplotlib and Cartopy, plotting a map from Swisstopo is shifted by about 170m. The official coordinate system of Switzerland is EPSG 2056 ("LV95"). I create an axes in matplotlib with this projection and use wms_add to plot the map. I know…
Jörg Rychen
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oracle sql listagg geometries lat longs

IM USING ORACLE 11g I have this table I wanted to sort by POS ASC and also aggregate the two columns X, and Y (so that these POINTS become a LINESTRING, EPSG:25832) so that my ID becomes Unique. I don't have much experience with ORACLE SDO…
CodeoDE
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