Geedim
Geedim provides a Python API and command line toolkit for exporting and cloud masking Google Earth Engine (GEE) imagery. Images and Image collections can be exported to:
GeoTIFF file
NumPy array
Xarray Dataset / DataArray
Google Cloud platforms
And cloud masking is supported on:
Landsat 4-9 collection 2 images
Sentinel-2 TOA and surface reflectance images
Installation
To install from PyPI:
pip install geedimTo install from conda-forge:
conda install -c conda-forge geedimTo support exporting to Xarray, use pip install geedim[xarray] or conda install -c conda-forge geedim xarray instead.
A registered Google Cloud project is required for access to Earth Engine. Once installation and registration is done, Earth Engine should be authenticated:
earthengine authenticateExamples
API
Geedim provides access to its functionality through the gd accessor on the ee.Image and ee.ImageCollection GEE classes. This example exports a 6 month cloud-free composite of Sentinel-2 surface reflectance imagery to a GeoTIFF file:
import ee
# import geedim to enable accessors
import geedim # noqa: F401
ee.Initialize()
# filter collection based on cloud-free portion etc.
region = ee.Geometry.Rectangle(24.35, -33.75, 24.45, -33.65)
coll = ee.ImageCollection('COPERNICUS/S2_SR_HARMONIZED')
filt_coll = coll.gd.filter(
'2021-10-01', '2022-04-01', region=region, cloudless_portion=60
)
# print image properties
print(filt_coll.gd.schemaTable)
print(filt_coll.gd.propertiesTable)
# create a cloud-free composite & download
comp_im = filt_coll.gd.composite('median')
prep_im = comp_im.gd.prepareForExport(
crs='EPSG:3857', region=region, scale=10, dtype='uint16'
)
prep_im.gd.toGeoTIFF('s2_comp.tif')Command line interface
Much of the API functionality can also be accessed on the command line with geedim and its sub-commands. This repeats the API example, exporting a 6-month cloud-free composite of Sentinel-2 surface reflectance imagery to a GeoTIFF file:
geedim search -c COPERNICUS/S2_SR_HARMONIZED -s 2024-10-01 -e 2025-04-01 -b 24.35 -33.75 24.45 -33.65 -cp 60 composite -cm median download -c EPSG:3857 -r - -s 10 -dt uint16Documentation
Documentation is hosted at geedim.readthedocs.io.
License
This project is licensed under the terms of the Apache-2.0 License.
Credits
Tiled downloading was inspired by the MIT licensed GEES2Downloader project.
Medoid compositing, and the accessor approach to extending the GEE API, were adapted from geetools under terms of the MIT license.
Sentinel-2 cloud masking was adapted from ee_extra under terms of the Apache-2.0 license
1 maintainer
Metadata
1 maintainer
Release files for geedim 2.0.1
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Source distribution (sdist)
| File | Size | Uploaded | Provenance | Actions |
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Total release size: 170.7 kB
Release files / geedim-2.0.1.tar.gz
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