LSST Applications
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LSST Data Management Base Package
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Public Member Functions | |
def | __init__ (self, mapper) |
def | create (self) |
Public Attributes | |
mapper | |
ButlerFactory creates data Butlers containing data mappers. Use of it is deprecated in favor of the direct Butler constructor. The ButlerFactory class takes a mapper for a data collection. It can then create Butlers with these mappers. A data identifier is a dictionary. The keys match those understood by a mapper; the values select particular data sets or collections of data sets. For example, one key might be "visit". Specifying a value of "695934" for this key might select a collection of images. The mappers perform four functions: 1. Determine what keys are valid for dataset ids. 2. Obtain a collection of potential dataset ids matching a partial dataset id. 3. Map a dataset id to the location of the dataset, including its C++ and Python types. 4. Manipulate a retrieved dataset object so that it conforms to a standard. Public methods: __init__(self, mapper) create(self)
Definition at line 32 of file butlerFactory.py.
def lsst.daf.persistence.butlerFactory.ButlerFactory.__init__ | ( | self, | |
mapper | |||
) |
Construct a ButlerFactory. @param mapper mapper object.
Definition at line 60 of file butlerFactory.py.
def lsst.daf.persistence.butlerFactory.ButlerFactory.create | ( | self | ) |
Create a Butler. @returns a new Butler.
Definition at line 68 of file butlerFactory.py.
lsst.daf.persistence.butlerFactory.ButlerFactory.mapper |
Definition at line 66 of file butlerFactory.py.