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xarray

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xarray
djhoese
djhoese commented Dec 13, 2021

One option to check for duplicate keys in the YAML files loaded/used by Satpy would be to add a custom constructor/loader as described in this gist:

https://gist.github.com/pypt/94d747fe5180851196eb

This wouldn't help the pre-commit in this PR, but at least the pre-commit is checking syntax.

_Originally posted by @djhoese in pytroll/satpy#1935 (comment)

djhoese
djhoese commented Feb 22, 2021

Code Sample, a minimal, complete, and verifiable piece of code

from pyresample.boundary import Boundary
b = Boundary(my_lons, my_lats)
print(b.contour_poly.area())

Problem description

The above code doesn't fail if the provided lons/lats are 2D (not sure on 3D+), but the class and all functions/utilities underneath it assume 1D arrays. The end results are incor

climpred
JacksonMaxfield
JacksonMaxfield commented Apr 6, 2021

In determining the correct reader for the file provided we currently have two options (as of #224).

  1. Providing reader param to AICSImage (i.e. img = AICSImage("s3://some-file.ext", reader=readers.lif_reader.LifReader)
  2. Not providing a reader, and AICSImage looping over all SUPPORTED_READERS.

Option 1 is the fastest + safest method for loading a file into AICSImage (without using

RichardScottOZ
RichardScottOZ commented Mar 25, 2021

Without thinking I put resampling="bilinear" and got an error when I called .compute()

Traceback (most recent call last):
  File "carajas.py", line 92, in <module>
    band_medianNP = band_median.compute()
  File "/home/ubuntu/anaconda3/envs/richard/lib/python3.8/site-packages/xarray/core/dataarray.py", line 899, in compute
    return new.load(**kwargs)
  File "/home/ubuntu/anaco
cf-xarray
dcherian
dcherian commented Nov 18, 2021
da = xr.DataArray(np.ones(2,3), dims=("x", "y"))

This kind of dataarray exists in CMIP datasets. x,y have absolutely no data (no values, no attrs) associated with them, and so guess_coord_axis does not do anything.

We could have .cf.guess_coord_axis(add_indexes=True) that effectively does

da["x"] = np.arange(da.sizes["x"])
da["y"] = np.arange(da.sizes["y"])

The PyEarthScience repository created by DKRZ (German Climate Computing Center) provides Python scripts and Jupyter notebooks in particular for scientific data processing and visualization used in climate science. It contains scripts for visualization, I/O, and analysis using PyNGL, PyNIO, xarray, cfgrib, xesmf, cartopy, and others.

  • Updated May 26, 2021
  • Jupyter Notebook

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