ExposureMapping¶
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class
lsst.obs.base.
ExposureMapping
(datasetType, policy, registry, root, **kwargs)¶ Bases:
lsst.obs.base.Mapping
ExposureMapping is a Mapping subclass for normal exposures.
Parameters: Attributes Summary
template
Methods Summary
have
(properties, dataId)Returns whether the provided data identifier has all the properties in the provided list. keys
()Return the dict of keys and value types required for this mapping. lookup
(properties, dataId)Look up properties for in a metadata registry given a partial dataset identifier. map
(mapper, dataId[, write])Standard implementation of map function. need
(properties, dataId)Ensures all properties in the provided list are present in the data identifier, looking them up as needed. standardize
(mapper, item, dataId)Attributes Documentation
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template
¶
Methods Documentation
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have
(properties, dataId)¶ Returns whether the provided data identifier has all the properties in the provided list.
Parameters: - properties :
list of `str
Properties required.
- dataId :
dict
Dataset identifier.
Returns: - bool
True if all properties are present.
- properties :
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keys
()¶ Return the dict of keys and value types required for this mapping.
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lookup
(properties, dataId)¶ Look up properties for in a metadata registry given a partial dataset identifier.
Parameters: Returns: - `list` of `tuple`
Values of properties.
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map
(mapper, dataId, write=False)¶ Standard implementation of map function.
Parameters: - mapper: `lsst.daf.persistence.Mapper`
Object to be mapped.
- dataId: `dict`
Dataset identifier.
Returns: - lsst.daf.persistence.ButlerLocation
Location of object that was mapped.
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need
(properties, dataId)¶ Ensures all properties in the provided list are present in the data identifier, looking them up as needed. This is only possible for the case where the data identifies a single exposure.
Parameters: Returns: - `dict`
Copy of dataset identifier with enhanced values.
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standardize
(mapper, item, dataId)¶
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