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LSST Data Management Base Package
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Public Member Functions | |
__init__ (self, col, filt2, filt1, **kwargs) | |
filt (self) | |
filt (self, filt) | |
columns (self) | |
multilevelColumns (self, parq, **kwargs) | |
name (self) | |
shortname (self) | |
Public Attributes | |
col | |
filt2 | |
filt1 | |
mag2 | |
mag1 | |
dataset | |
Protected Member Functions | |
_func (self, df) | |
Static Protected Attributes | |
str | _defaultDataset = 'forced_src' |
tuple | _dfLevels = ('band', 'column') |
bool | _defaultNoDup = True |
Compute the color between two filters. Computes color by initializing two different `Mag` functors based on the ``col`` and filters provided, and then returning the difference. This is enabled by the `_func` method expecting a DataFrame with a multilevel column index, with both ``'band'`` and ``'column'``, instead of just ``'column'``, which is the `Functor` default. This is controlled by the `_dfLevels` attribute. Also of note, the default dataset for `Color` is ``forced_src'``, whereas for `Mag` it is ``'meas'``. Parameters ---------- col : str Name of the flux column from which to compute; same as would be passed to `~lsst.pipe.tasks.functors.Mag`. filt2, filt1 : str Filters from which to compute magnitude difference. Color computed is ``Mag(filt2) - Mag(filt1)``.
Definition at line 903 of file functors.py.
lsst.pipe.tasks.functors.Color.__init__ | ( | self, | |
col, | |||
filt2, | |||
filt1, | |||
** | kwargs ) |
Reimplemented from lsst.pipe.tasks.functors.Functor.
Definition at line 931 of file functors.py.
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protected |
Reimplemented from lsst.pipe.tasks.functors.Functor.
Definition at line 951 of file functors.py.
lsst.pipe.tasks.functors.Color.columns | ( | self | ) |
Columns required to perform calculation.
Reimplemented from lsst.pipe.tasks.functors.Functor.
Definition at line 957 of file functors.py.
lsst.pipe.tasks.functors.Color.filt | ( | self | ) |
Reimplemented from lsst.pipe.tasks.functors.Functor.
Definition at line 944 of file functors.py.
lsst.pipe.tasks.functors.Color.filt | ( | self, | |
filt ) |
Reimplemented from lsst.pipe.tasks.functors.Functor.
Definition at line 948 of file functors.py.
lsst.pipe.tasks.functors.Color.multilevelColumns | ( | self, | |
data, | |||
** | columnIndex ) |
Returns columns needed by functor from multilevel dataset. To access tables with multilevel column structure, the `~lsst.daf.butler.DeferredDatasetHandle` or `~lsst.pipe.base.InMemoryDatasetHandle` needs to be passed either a list of tuples or a dictionary. Parameters ---------- data : various The data as either `~lsst.daf.butler.DeferredDatasetHandle`, or `~lsst.pipe.base.InMemoryDatasetHandle`. columnIndex (optional): pandas `~pandas.Index` object Either passed or read in from `~lsst.daf.butler.DeferredDatasetHandle`. `returnTuple` : `bool` If true, then return a list of tuples rather than the column dictionary specification. This is set to `True` by `CompositeFunctor` in order to be able to combine columns from the various component functors.
Reimplemented from lsst.pipe.tasks.functors.Functor.
Definition at line 960 of file functors.py.
lsst.pipe.tasks.functors.Color.name | ( | self | ) |
Reimplemented from lsst.pipe.tasks.functors.Functor.
Definition at line 964 of file functors.py.
lsst.pipe.tasks.functors.Color.shortname | ( | self | ) |
Short name of functor (suitable for column name/dict key).
Reimplemented from lsst.pipe.tasks.functors.Functor.
Definition at line 968 of file functors.py.
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staticprotected |
Definition at line 927 of file functors.py.
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staticprotected |
Definition at line 929 of file functors.py.
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staticprotected |
Definition at line 928 of file functors.py.
lsst.pipe.tasks.functors.Color.col |
Definition at line 932 of file functors.py.
lsst.pipe.tasks.functors.Color.dataset |
Definition at line 961 of file functors.py.
lsst.pipe.tasks.functors.Color.filt1 |
Definition at line 936 of file functors.py.
lsst.pipe.tasks.functors.Color.filt2 |
Definition at line 935 of file functors.py.
lsst.pipe.tasks.functors.Color.mag1 |
Definition at line 939 of file functors.py.
lsst.pipe.tasks.functors.Color.mag2 |
Definition at line 938 of file functors.py.