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lsdb.catalog.margin_catalog

lsdb.catalog.margin_catalog#

Module Contents#

Classes#

MarginCatalog

LSDB Catalog DataFrame to contain the "margin" of another HiPSCat catalog.
class MarginCatalog(ddf: dask.dataframe.core.DataFrame, ddf_pixel_map: lsdb.types.DaskDFPixelMap, hc_structure: hipscat.catalog.MarginCatalog)[source]#

Bases: lsdb.catalog.dataset.healpix_dataset.HealpixDataset

LSDB Catalog DataFrame to contain the “margin” of another HiPSCat catalog. spatial operations.

hc_structure[source]#

hipscat.MarginCatalog object representing the structure and metadata of the HiPSCat catalog

hc_structure: hipscat.catalog.MarginCatalog[source]#

Find rows by reusable search algorithm.

Filters partitions in the catalog to those that match some rough criteria and their neighbors. Filters to points that match some finer criteria.

Parameters:

  • search (AbstractSearch) – Instance of AbstractSearch.

  • fine (bool) – True if points are to be filtered, False if not. Defaults to True.

Returns:

A new Catalog containing the points filtered to those matching the search parameters.

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