alsdb.storage.ALSZarrStore#

class alsdb.storage.ALSZarrStore(path: str | Path, mode: str = 'a', storage_options: dict | None = None)[source]#

Zarr-backed store for ALS gridded products.

Parameters:

  • path – Directory path for the Zarr store. Local path or an s3:// URI.

  • mode – "a" (default) opens existing store or creates a new empty one. "r" opens read-only.

  • storage_options – Keyword arguments forwarded to the fsspec/s3fs backend when path is an S3 URI. Typical keys: key, secret, endpoint_url, client_kwargs. Ignored for local paths.

__init__(path: str | Path, mode: str = 'a', storage_options: dict | None = None) → None[source]#

Methods

__init__(path[, mode, storage_options])

create(path, bbox, crs_wkt, variables[, ...])

Create a new Zarr store pre-allocated for bbox and variables.

ensure_group(variable, resolution, bbox, crs_wkt)

Ensure the resolution group and variable array exist.

has_data(variable, resolution, year)

Return True if variable already has a time slice for year.

to_dataset(resolution)

Return an xarray.Dataset for resolution.

variables(resolution)

Variable names available at resolution.

write_tile(variable, resolution, year, data, ...)

Write a processed tile into the store.

Attributes

resolutions

Resolution values present in the store.