美国崛起招数多：广积粮缓称王 能而示之不能
百度 到考科目三的时候，我问过教练，这样可以不？教练当时说：“可以，就是驾校欢迎您下次继续做客！”还有和我一起学车的老兄，年纪比较大，常常大方向左右不分，一次弄错，教练就说：“我都怀疑你每天练完车，是怎么回家的！”挂挡不踩离合，很多新学车的都犯过这个错误。
xarray is a Python module for working with N-dimensional arrays
141 questions
0
votes
0
answers
5
views
Why intake_xarray NetCDFSource seems to not use user input parameters
I have prepared a catalog.yml with this content:
metadata:
description: Sample catalog
information.
version: 1
plugins:
source:
- module: intake_xarray
sources:
this_source:
args:
...
- 105
1
vote
0
answers
33
views
Assigning correct coordinates to SMAP Soil Moisture data using Xarray
I'm trying to visualize, and then clip, SMAP data for a region. I'm able to download and visualize SMAP data using the following code to generate the figure below. However, while loading a SMAP data ...
- 551
0
votes
1
answer
43
views
Extract multi-band values for each pixel in a raster file and store this data as a dataframe for machine learning training
Assuming there is a raster file that contains multiple bands, is there a simple way to extract the pixel value for each band and store this information in a dataframe for later use in machine learning ...
- 196
1
vote
0
answers
33
views
Changes in resolution after saving with rasterio.to_raster
This is my code:
reach_ds = xr.open_dataset(reach)
reach_ds.rio.write_crs('EPSG:32632', inplace=True)
reach_ds = reach_ds.fillna(0)
reach_ds = reach_ds.isel(time=0)
reach_ds.rio.to_raster(...
- 11
1
vote
1
answer
67
views
Set spatial dims in xarray rio using `coords` from the dataset
This is partially just a curiosity question, but I think it would also help me understand xarray a bit better.
I've loaded a NetCDF file into an xarray Dataset. it has coords I would expect.
ipdb> ...
2
votes
1
answer
32
views
Open a xarray created NetCDF dataset in QGIS
I have created a NetCDF file using xarray in python with this code:
latitude_save = sorted(list(set(copy2_sorted['lat'])))
longitud_save = sorted(list(set(copy2_sorted['lon'])))
time_save =...
0
votes
0
answers
21
views
How can I get `make_geocube()` match results from `terra::rast()` when rasterizing a tile represented as a polygon?
I am trying to create a template xarray raster using a perfectly square polygon vector file. The polygon vector file comes from the Landsat Collection 2 Analysis Ready Data tiling scheme (http://www....
- 315
0
votes
1
answer
167
views
Wrong projection- Creating GeoTIFF from Sentinel 3 Land Surface Temperature (LST)
I have been working on creating a Land Surface Temperature (LST) map from the Sentinel-3 LST product. After selecting a polygon region in the Mediterranean I have downloaded the data from the ...
- 942
2
votes
0
answers
42
views
Python: Open group dataset with CRS, where top-level variables store CRS
I have a set of NetCDF files that I'm converting to multi-band geotiffs. I'm using xarray to load the data from the NetCDF and rasterio to convert each band to a geotiff before combining them all into ...
- 141
1
vote
0
answers
57
views
Getting data at a specific lat/lon point on a curvilinear grid
I'm working with HRRR data, which is in a lambert conic conformal projection. The specifications for the projection are
projection = ccrs.LambertConformal(
central_longitude = -97.5,
...
- 11
1
vote
1
answer
119
views
Earth Engine client library not initialized when using a dask cluster and xarray?
I'm trying to test running a simple math operation client-side using xee, an xarray extension for the Google Earth Engine API. When I set up the Dask client and run the compute() method I keep getting
...
- 343
0
votes
1
answer
187
views
xee: Total request size (56623104 bytes) must be less than or equal to 50331648 bytes
I am using xee, an extension of xarray to work with data from Google Earth Engine. I am trying to test computing NDVI through an xarray of Landsat imagery, but I keep getting this error.
EEException: ...
- 343
2
votes
1
answer
82
views
Create .nc file from multiple tif files : metadata time
I'm trying to create a single .nc file with 3 dimensions : x,y and time. In order to do so I have multiple tif files named by their date : 2025-08-07_Turb.tif for the 24-04-2013. I would like to do ...
1
vote
0
answers
111
views
All-NaN slice encountered when apply xr_phenology function?
I want calculate vegetation phenology from ndvi netcdf dataset, I follow yours tutorials (DEA Australia and DEA Africa) to apply xr_phenology
function , defined here. To avoid killed kernel of my ...
- 169
0
votes
1
answer
114
views
Invert latitude of NetCDF in Python / xarray
I thought it would be straight up, but I don't find a question like this one here.
I created a NetCDF out of a GeoTIFF, but it did not have coordinates or CRS.
I added it doing this:
coords = {
'time' ...
- 1,132