CachingSkyMap#

class lsst.skymap.cachingSkyMap.CachingSkyMap(numTracts, config=None, version=0)

A SkyMap that generates its tracts on request and caches them.

Parameters#

numTractsint: Number of tracts to create.
configlsst.skymap.BaseSkyMapConfig (optional): The configuration for this SkyMap; if None use the default config.
versionint or tuple of int (optional): Software version of this class, to retain compatibility with old instances.

A subclass should define * __init__ to calculate the required number of tracts (and pass it up) * generateTract to generate a tract

Subclassers should also check that the arguments to the constructor are consistent with the below __reduce__ method.

Methods Summary

Generate TractInfo for the specified tract index.

Methods Documentation