A small utility for generating ND array pyramids using Xarray and Zarr.
Project description
ndpyramid
A small utility for generating ND array pyramids using Xarray and Zarr.
installation
pip install ndpyramid
usage
Ndpyramid provides a set of utilites for creating pyramids with standardized metadata.
The example below demonstrates the usage of the pyramid_coarsen
and pyramid_reproject
utilities. Check out this
Jupyter Notebook for a complete demonstration.
import xarray as xr
import rioxarray
from ndpyramid import pyramid_coarsen, pyramid_reproject
# load a sampel xarray.Dataset
ds = xr.tutorial.load_dataset('air_temperature')
# make a coarsened pyramid
pyramid = pyramid_coarsen(ds, factors=[16, 8, 4, 3, 2, 1], dims=['lat', 'lon'], boundary='trim')
# make a reprojected (EPSG:3857) pyramid
ds = ds.rio.write_crs('EPSG:4326')
pyramid = pyramid_reproject(ds, levels=2)
# write the pyramid to zarr
pyramid.to_zarr('./path/to/write')
See the docstrings for more details about input parameters and options.
license
All the code in this repository is MIT licensed, but we request that you please provide attribution if reusing any of our digital content (graphics, logo, articles, etc.).
about us
CarbonPlan is a non-profit organization working on the science and data of carbon removal. We aim to improve the transparency and scientific integrity of carbon removal and climate solutions through open data and tools. Find out more at carbonplan.org or get in touch by opening an issue or sending us an email.
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