Questions tagged [netcdf]
NetCDF (Network Common Data Form) is a set of software libraries and self-describing, machine-independent data formats that support the creation, access, and sharing of array-oriented scientific data.
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QGIS 3.4 and loading raster from multiple variable NetCDF file
Using QGIS version 3.4.4 when loading a NetCDF file out.nc which contains multiple variables on a fresh Ubuntu 18.04 install I encounter the following error:
CRITICAL Invalid Layer : Raster layer ...
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How to transform ERA5 vertical datum to WGS84
I am trying to plot a netcdf file from ECMWF ERA5 in a folium map but I am having troubles with the projections in the file.
ECMWF documentation states:
ECMWF data is referenced in the horizontal with ...
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Correctly handling climate projection data with R
EDIT: An example setup can be found here: The main file is extract_cordex.R
I need to analyze climate data as part of my thesis, however I am not particularly trained in working with climate data and ...
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netCDF has wrong spatial extent in metadata
I have a netCDF file with spatial data ranging from x:528500 573500 y:350500 399500 on EPSG: 31287. If I open and explore the file with Panoply and show the data on a map all works like it should.
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Rotate coordinates from climatic data in raster format (cordex-EU domain 11) to usual coordinate systems
I am trying to create a dataset that shows future climatic condition in Europe aggregates to NUT2 administration level in R. To do so, i work with cordex data (domain EU 11), that is coming ...
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How to import NetCDF file to PostgreSQL
I looked at the other similar questions posed and none of them seem to be answered.
Basically I have a NetCDF file with multiple subdatasets and from what I've read, I should be converting it to a ...
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How to avoid "Unable to compute a transformation between pixel/line"?
I am trying to re-project from Equi-rectangular to the NASA global EASE grid (Equal Area Scalable Earth) grid 1383 586 with a ~25 km cylindrical projection (ESPG=3410). The file is provided as HDF5.
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QGIS NetCDF loaded upside down
What am I missing here? When I load ("Add Raster Layer") my NetCDF file into QGIS (3.14), it appears to be georeferenced into the correct location, but always appears flipped upside down. ...
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How to import netcdf in qgis
I have been trying to impot netcdf files following this guide online http://www.ggiuliani.ch/download/netcdf_qgis_GG.pdf into qgis 2.10 with no success. ALthough the file is imported, the dimensions ...
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How do I properly georeference variables in a netCDF CF-1.8 file?
I am trying to write netCDF CF-1.8 compliant files with vector geometries corresponding to segments of a road network. The data are observations of aspects of vehicle flow within 15 minute time ...
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NetCDFs with more than 4 dimensions in GeoServer
I have two very similar NetCDFs. "temp_4.nc", that I can load into GeoServer, and "temp_5_e.nc", that I can't. Both file have a single data variable "temp". In the first ...
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How do I change my x and y axes from a range of 0-1 to -180-180 in R? I'm using netndf datasets
I have temperature anomaly arrays for the months of February 2008-2021 that I have turned into a raster brick. I am now plotting these in ggplot2. See below code:
febanomaly_raster <- brick(anomaly....
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Value error when merging .nc files: xarray could not find any dimension coordinates to use to order the datasets for concatenation
I want to merge multiple .nc files into one. Each of the .nc files corresponds to a timestep which should be added together to have one .nc file with all data for all dates.
When I execute the ...
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Value NAN in NetCDF4 file for lat&lon using Python
I have two files in NetCDF4 (latlon and other file without latlon).
I open the two files in the same code and I choose one variable and the two variable lon and lat.
When I write lon I have the value ...
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Convert NetCDF(.nc) (TROPOMI Sentinel-5p) to GeoTIFF (GDAL, GRASS)
I tried converting NetCDF (Sentinel-5p) file to GeoTIFF file but I'm getting:
D:\>gdalinfo 20181119T121048.nc
Warning 1: Recode from UTF-8 to CP_ACP failed with the error: "Invalid argument".
...
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Python&ArcGIS: Combining several raster layers into netCDF
EDIT:
So the mod asked me to narrow down my question (waiting for answers to tell me to give more info, but here we go).
How can i change my piece of python code to do the following steps:
#...
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gdalinfo on NetCDF - cell centers or edges?
I was given a NetCDF file and the gdalinfo result for it shows this:
NC_GLOBAL#XORIG=-126.0800018310547
NC_GLOBAL#YORIG=41.45000076293945
The gdalinfo command is showing the lower-left cell in the ...
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Create a new NetCDF file combining information from two other NetCDF files in R
I wish to combine the "t" variable from the second .nc file, and use the lat, lon variables from the first .nc file as the lat and lon of the t variable, and store them to a new .nc file, that will ...
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NetCDF to Shapefile with Python and GDAL?
I need to save my outputs, which are netcdf files or panda python tables, to shapefiles. They cannot be rasters because the software I am loading them into accepts shapefiles only.
I have googled ...
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R raster stack 4 dimensions
I am trying to create a raster stack / brick from a list of ncdf files with the dimensions 160x160x24x1).
r = stack(files)
This gives me a raster stack but without the 4th dimensions which is ...
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How to extract NetCDF raster values to time enabled shapefiles?
Does anyone know a good way to extract NetCDF raster values to each data point from a time enabled shapefile at the correct time?
I have tried using a python script tool and a loop that steps ...
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Geoprocessing Service to return Multidimensional Raster from a NetCDF file
I have tried to make this work for weeks with no results. I am trying to create a model in ArcMap that uses the Multidimension Tool "Make NetCDF Raster Layer" and return a raster to which I can apply ...
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Writing NetCDF file to TIFF with GDAL gives large gap in data
I am downloading files from NOAA. I am using Python and trying to import a NetCDF file and create it into a TIFF raster. My version of GDAL is 2.3 and cannot be upgraded due to environment constraints....
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Mapping netCDF file in the right location with different value and location files
I'm looking to work with data from the Sentinel-3 Sat of ESA.
I downloaded data in a zip with multiple netCDF files.
I want to open the data in QGIS in order to visualise it.
I figure out that the ...
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NetCDF in QGIS --constructing time series using 1368 bands
I have the NetCDF file that contains monthly gridded temperature from 1900 to 2014 (air.mon.mean.v501.nc). The goal is to extract monthly time series for every polygon in my shapefile. Using the US ...
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gdal_translate Radial NetCDF to GeoTIFF does not create georeferenced image
I have weather radar data inside of a radial-NetCDF file. The public link to the file in question is here on my google drive. The variable name is "BaseReflectivityDR".
I would like to ...
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Image is South up while converting NetCDF layer to GTiff with gdal_translate
Issue: I'm trying to extract a NetCDF layer to GeoTIFF. The output GeoTIFF image has the South up.
What I need: The output GeoTIFF image with North up.
GDAL version: 3.2.2, released 2021/03/05; OS: ...
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Why does raster still have pixels around edge when clipped?
I am trying to clip a raster in ArcMap 10.6 (derived from 'make nedcdf raster') to the shape of the Ireland polygon and I keep getting back pixels around the edge:
I have tried 'Clip' in 'Data ...
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Conflicting sizes for dimension 'time' with rioxarray
I've been using rioxarray to convert netcdf files to geotiffs, and up till now, it's worked great.
However, when I open a ERA5 reanalysis netcdf dataset, rioxarray appears to find that the data size ...
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Configuring NetCDF for GeoServer
I have multidimensional meteodata I want to upload on GeoServer (2.17) using NetCDF format. So far, I don't care about projection other than WGS84. Following a documentation I tried to create in R ...
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Raster becomes invisible after changing CRS in QGIS
I am having trouble displaying this netcdf file in QGIS. The file holds u and v components of wind data from NCEP Climate Forecast System.
When I load the data, it displays over the ocean near Africa ...
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QGIS timemanager NetCDF raster loads correctly but then run backwards
After timemanager loads correctly my time stamped NetCDF file (stamped in seconds using '%Y-%m-%d %H:%M:%S' format), the animation is played backward until it rewinds to the start.
I am using QGIS 3....
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QGIS-Feature "Generate band name with NetCDF EXTRA_DIM" - Which NetCDF attribute/variable does that refer to?
According to the changelog of QGIS, the feature "Generate band name with NetCDF EXTRA_DIM" was implemented already in version 2.4.
The description says:
The NetCDF provided extra dimensional ...
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GeoServer WMS using NetCDF plugin and GRIB2 time dimension
I am attempting to use GeoServer with the NetCDF plugin to create a WMS-T (WMS with time dimension) service. My input is a GRIB2 file containing a single parameter (temperature) and multiple forecast ...
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Convert Geo Coordinates System X/Y to lat &lon from netCDF4 file using python 3
I have netcdf4 file with some variables like: Geo Coordinates System X/Y.
I need to convert it to lat/lon. How can i do that with python?
This information from my netCDF4 file:
import numpy as ...
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Converting coordinates using NCO/CDO
I have a NetCDF file of ice velocities of the Greenland ice sheet but they are in polar stereographic coordinates (y: -655750 to -3355750 and x: -639750 to 855750 meters).
I am wondering if there ...
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Estimating a Rotated Pole given a gridded dataset with lat/lons at each point
I have netcdf dataset that I think is regular gridded dataset using a Rotated pole mapping, but the rotated pole information is wrong.
For those not familiar with Rotated Poles, the cartopy ...
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Load support data set from NetCDF file (Tropomi Sentinel 5P) with GDAL.NET
Been trying to load two data sets from a Tropomi NetCDF file (N2O measurements). I can manage to load some data sets, which are right under PRODUCT, but not others which are under PRODUCT/SUPPORT_DATA/...
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Find time variable in raster data
I have managed to open and intersect a gridded .nc file with spatial polygons for river basins. Unfortunately, I cannot find which variable indicates the month at when the values were measured. The ...
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Extracting information from netcdf file
I started using QGIS yesterday.
I want to extract the information on GCP from this netCDF file, so that I can perform geospatial analysis: http://dataservices.gfz-potsdam.de/pik/showshort.php?id=...
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Soil type info from grib file
I want to read soil type info from grib file, but dont know a variable name.
I expect that this variable contains a value between 1 and 9, corresponding to the possible different types of soil for ...
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Handling NetCDF with geotools
I'm experimenting about netcdf and how to convert them in a feature collection. My primary tool is geotools ver. 17.2. Moving my very first step was to bring these two dependencies:
...
<...
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ArcMap Mosaic Dataset function chain result to NetCDF
I've been working on a mosaic dataset and added some changes by using the function chain options. This works fine in ArcMap and I can create a time varying result out of this. Since I want a 3D result ...
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Why do gdal_translate and python gdal give wrong result (output spatial location) for translation of netcdf4 to geotiff?
I try to convert netcdf4 file to raster by using gdal and python.
The netcdf4 file is in the WGS84 geographic coordinate system.
When I use "Make NetCDF Raster Layer" in ArcMap, the netcdf file is ...
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Combining multiple netcdf in folder in R
I have a folder that contains 61 netcdf files containing 4 dimension (lat, lon, time and depth) and 9 variables.
I would like to combine all the files in the folder to one netcdf file with the ...
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How do I set the Coordinate Reference System for a NetCDF file through a configuration file in QGIS?
I have downloaded some NetCDF files (.nc) from the following link: http://fizz.phys.dal.ca/~atmos/martin/?page_id=140. However, when I open these files in QGIS, they do not align with my vector layer.
...
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What's the relationship between NetCDF dataset and ncdf4 class in R
I want to process ERA reanalysis data in R so I install RNetCDF package and ncdf4 package.When I open my reanalysis file using open.nc() and nc_open() functions separately in two packages, I found my ...
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Create ImageMosaic of NetCDF in Geoserver2.8 throw error?
I create a ImageMosaic of NetCDF and usage of PostGIS to store the mosaic indexes. It's throw error when I request by WMS. I'm use Geoserver2.8. But it's ok when I use it in Geoserver2.7. Why??
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Harvest a THREDDS server correctly with GeoNetwork?
I am trying to harvest datasets (NetCDF) from a THREDDS server using GeoNetwork 2.10.
People shall upload their NetCDF files to the THREDDS server and the CatalogScan element will list them. After the ...
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Requirements to create ESRI Grid from CF-compliant NetCDF?
I found a lot of information how to create an ESRI grid from NetCDF without ever finding a list of requirements for the NetCDF format.
CF compliant does not seem to be enough for ESRI sometimes.
What ...
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