How to avoid unsupported .nc file while reading from different directory Question: I have several folders in a directory containing .nc files. While reading, I am getting an error: NETCDF can not read unsupported file Since there are more than 5 thousand files, I don’t know which file is corrupted or unsupported. Is there any …
plotting data from netcdf with cartopy isnt plotting data at 0 longitude Question: im beggining my journey with gridded data, and ive been trying to plot some temperature data from a netcdf file with cartopy. I followed some examples and i cant understand why my plots have a white line in the middle. (i already …
Python extract multiple lat/lon from NETCDF files using xarray Question: I have a NC file (time, lat, lon) Download from here and I am trying to extracting time series of multiple stations (lat/lon points Download from here). So I tried it this way to read the coordinates and extract the nearest values from the NC …
Reading file opened with Python Paramiko SFTPClient.open method is slow Question: I am trying to remote read a netcdf file. I used Paramiko package to read my file, like this: import paramiko from netCDF4 import Dataset client = paramiko.SSHClient() client.set_missing_host_key_policy(paramiko.AutoAddPolicy()) client.connect(hostname=’hostname’, username=’usrname’, password=’mypassword’) sftp_client = client.open_sftp() ncfile = sftp_client.open(‘mynetCDFfile’) b_ncfile = ncfile.read() # **** nc …
how to read this netCDF file in python? Question: I have this NetCDF file. it has 2 groups in it! I want to select one group and get the desired variable. I tried this in multiple ways but I failed. I could use simply print(ncfile.variables) but it’s not working! the file structure looks like this, …
Updating attritubtes in xarray inplace Question: I’m fairly new to using xarrays. I want to modify attributes of a NetCDF file inplace. But, the built-in function gives another new dataset instead. ds = xr.open_dataset(file_) # ds has “time” as one of the coordinates whose attributes I want to modify #here is ds for more clarity …
Creating a nested dictionary from a flattened dictionary Question: I have a flattened dictionary which I want to make into a nested one, of the form flat = {‘X_a_one’: 10, ‘X_a_two’: 20, ‘X_b_one’: 10, ‘X_b_two’: 20, ‘Y_a_one’: 10, ‘Y_a_two’: 20, ‘Y_b_one’: 10, ‘Y_b_two’: 20} I want to convert it to the form nested = {‘X’: …
Find max value for each year in 3D array NetCDF file (way to use Pandas or xarray?) Question: I am trying to makes some maps and such of data from several NetCDF files. Each one contains data for 5 years worth of data. The data is in a 3D array of shape (14608, 145, 192) …
Python : Replacing Values in netcdf file using netCDF4 Question: I have a netcdf file with several values < 0. I would like to replace all of them with a single value (say -1). How do I do that using netCDF4? I am reading in the file like this: import netCDF4 dset = netCDF4.Dataset(‘test.nc’) dset[dset.variables[‘var’] …
Combine multiple NetCDF files into timeseries multidimensional array python Question: I am using data from multiple netcdf files (in a folder on my computer). Each file holds data for the entire USA, for a time period of 5 years. Locations are referenced based on the index of an x and y coordinate. I am trying …
