Creator for Analysis Ready Data (ARD)
cedar - Create Earth engine Data cubes of Analytical Readiness
cedar is a library and application to help download and preprocess satellite data to be “analysis ready data” (ARD) “data cube” as quickly as possible. cedar has been designed primarily to preprocess Landsat data, and can help acquire data from the Google Earth Engine (GEE). It is based on tools within the Python ecosystem for geospatial data processing (rasterio), saving and working with N-dimensional data (netCDF4 and xarray), and parallelization (dask and distributed).
All notable changes will appear in this log.
For information on the style of this change log, see keepachangelog.com.
Fixed bug in cedar clean command
The cedar convert program will now copy “pre-ARD” image metadata JSON files to the destination directory alongside the “pre-ARD” images (GeoTIFFs converted to NetCDF files). To prevent this behavior, pass --skip-metadata to the program.
Changes were made in where exceptions are handled for the case where a user requests a “pre-ARD” image that returns 0 search results (e.g., wrong time period for sensor, bad historic coverage, etc). By default, Order.add will not raise an EmptyCollectionError when you try to add a “pre-ARD” image that had 0 image results. You can force an error to be raised by setting error_if_empty=True in either Order.add or Tracker.submit.
BREAKING CHANGE - Require image collection filters to be specified in the configuration file according to the image collection. This change has been made to prepare for using image collections that do not have the same filters (e.g., more than just LANDSAT/*/C01/T1_SR data)
Add a check to make sure that Order.name_template creates unique names for pre-ARD before continuing. If there are duplicate names, raises ValueError
Fix warning when calculating mean/std runtime of tasks that haven’t been updated (RuntimeWarning: Mean of empty slice…)
Provide better info in cedar status list when nothing is tracked because the tracking folder doesn’t exist
Fix bug when ordering but not using filters that resulted in 0 images being found
Validate image collection names using click argument callback in cedar submit CLI
Improve error propagation inside cedar.ordering.Order and cedar.tracker.Tracker. Order.add no longer catches and swallows EmptyCollectionError, which now is handled in Tracker.submit
Fix bug in jsonschema validation by allowing tuples & lists to count as ‘array’
Added cedar status cancel command to cancel orders
Refactor internals to use TrackingMetadata model
Fix packaging issue (missing package data)
Fix packaging issue
First public release
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