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LSST Data Management Base Package
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lsst.meas.base.diaCalculationPlugins.MaxSlopeDiaPsfFlux Class Reference
Inheritance diagram for lsst.meas.base.diaCalculationPlugins.MaxSlopeDiaPsfFlux:
lsst.meas.base.diaCalculation.DiaObjectCalculationPlugin lsst.meas.base.catalogCalculation.CatalogCalculationPlugin lsst.meas.base.pluginsBase.BasePlugin

Public Member Functions

 getExecutionOrder (cls)
 
 calculate (self, diaObjects, diaSources, filterDiaSources, band, **kwargs)
 
 fail (self, diaObject, columns, error=None)
 
 getLogName (self)
 

Static Public Member Functions

 getTransformClass ()
 

Public Attributes

 config = config
 
 name = name
 
 logName = logName
 

Static Public Attributes

float FLUX_MOMENTS_CALCULATED = 5.0
 
list inputCols = []
 
list outputCols = []
 
bool needsFilter = True
 
 registry = PluginRegistry(CatalogCalculationPluginConfig)
 
str plugType = 'single'
 
float CENTROID_ORDER = 0.0
 
float SHAPE_ORDER = 1.0
 
float FLUX_ORDER = 2.0
 
float APCORR_ORDER = 3.0
 
float DEFAULT_CATALOGCALCULATION = 4.0
 
 ConfigClass = BasePluginConfig
 

Detailed Description

Compute the maximum ratio time ordered deltaFlux / deltaTime.

Definition at line 1038 of file diaCalculationPlugins.py.

Member Function Documentation

◆ calculate()

lsst.meas.base.diaCalculationPlugins.MaxSlopeDiaPsfFlux.calculate ( self,
diaObjects,
diaSources,
filterDiaSources,
band,
** kwargs )
Compute the maximum ratio time ordered deltaFlux / deltaTime.

Parameters
----------
diaObject : `dict`
    Summary object to store values in.
diaSources : `pandas.DataFrame`
    DataFrame representing all diaSources associated with this
    diaObject.
filterDiaSources : `pandas.DataFrame`
    DataFrame representing diaSources associated with this
    diaObject that are observed in the band pass ``band``.
band : `str`
    Simple, string name of the filter for the flux being calculated.
**kwargs
    Any additional keyword arguments that may be passed to the plugin.

Reimplemented from lsst.meas.base.diaCalculation.DiaObjectCalculationPlugin.

Definition at line 1054 of file diaCalculationPlugins.py.

1059 **kwargs):
1060 """Compute the maximum ratio time ordered deltaFlux / deltaTime.
1061
1062 Parameters
1063 ----------
1064 diaObject : `dict`
1065 Summary object to store values in.
1066 diaSources : `pandas.DataFrame`
1067 DataFrame representing all diaSources associated with this
1068 diaObject.
1069 filterDiaSources : `pandas.DataFrame`
1070 DataFrame representing diaSources associated with this
1071 diaObject that are observed in the band pass ``band``.
1072 band : `str`
1073 Simple, string name of the filter for the flux being calculated.
1074 **kwargs
1075 Any additional keyword arguments that may be passed to the plugin.
1076 """
1077
1078 def _maxSlope(df):
1079 tmpDf = df[~np.logical_or(np.isnan(df["psfFlux"]),
1080 np.isnan(df["midpointMjdTai"]))]
1081 if len(tmpDf) < 2:
1082 return np.nan
1083 times = tmpDf["midpointMjdTai"].to_numpy()
1084 timeArgs = times.argsort()
1085 times = times[timeArgs]
1086 fluxes = tmpDf["psfFlux"].to_numpy()[timeArgs]
1087 return (np.diff(fluxes) / np.diff(times)).max()
1088
1089 column = "{}_psfFluxMaxSlope".format(band)
1090 if column in diaObjects:
1091 dtype = diaObjects[column].dtype
1092 diaObjects.loc[:, column] = filterDiaSources.apply(_maxSlope).astype(dtype)
1093 else:
1094 diaObjects.loc[:, column] = filterDiaSources.apply(_maxSlope)
1095
1096

◆ fail()

lsst.meas.base.diaCalculation.DiaObjectCalculationPlugin.fail ( self,
diaObject,
columns,
error = None )
inherited
Set diaObject position values to nan.

Parameters
----------
diaObject : `dict`
    Summary object to store values in.
columns : `list` of `str`
    List of string names of columns to write a the failed value.
error : `BaseException` or `None`
    Error to pass. Kept for consistency with CatologCalculationPlugin.
    Unused.

Reimplemented from lsst.meas.base.pluginsBase.BasePlugin.

Definition at line 141 of file diaCalculation.py.

141 def fail(self, diaObject, columns, error=None):
142 """Set diaObject position values to nan.
143
144 Parameters
145 ----------
146 diaObject : `dict`
147 Summary object to store values in.
148 columns : `list` of `str`
149 List of string names of columns to write a the failed value.
150 error : `BaseException` or `None`
151 Error to pass. Kept for consistency with CatologCalculationPlugin.
152 Unused.
153 """
154 for colName in columns:
155 diaObject[colName] = np.nan
156
157

◆ getExecutionOrder()

lsst.meas.base.diaCalculationPlugins.MaxSlopeDiaPsfFlux.getExecutionOrder ( cls)
Used to set the relative order of plugin execution.

    The values returned by `getExecutionOrder` are compared across all
    plugins, and smaller numbers run first.

    Notes
    -----
    `CatalogCalculationPlugin`\s must run with
    `BasePlugin.DEFAULT_CATALOGCALCULATION` or higher.

    All plugins must implement this method with an appropriate run level

Reimplemented from lsst.meas.base.catalogCalculation.CatalogCalculationPlugin.

Definition at line 1051 of file diaCalculationPlugins.py.

1051 def getExecutionOrder(cls):
1052 return cls.DEFAULT_CATALOGCALCULATION
1053

◆ getLogName()

lsst.meas.base.pluginsBase.BasePlugin.getLogName ( self)
inherited

Definition at line 134 of file pluginsBase.py.

134 def getLogName(self):
135 return self.logName
136

◆ getTransformClass()

lsst.meas.base.pluginsBase.BasePlugin.getTransformClass ( )
staticinherited
Get the measurement transformation appropriate to this plugin.

This returns a subclass of `transforms.MeasurementTransform`, which
may be instantiated with details of the algorithm configuration and
then called with information about calibration and WCS to convert from
raw measurement quantities to calibrated units. Calibrated data is
then provided in a separate output table.

Notes
-----
By default, we copy everything from the input to the output without
transformation.

Reimplemented in lsst.meas.base.plugins.ForcedPeakCentroidPlugin, and lsst.meas.base.plugins.SingleFramePeakCentroidPlugin.

Definition at line 169 of file pluginsBase.py.

169 def getTransformClass():
170 """Get the measurement transformation appropriate to this plugin.
171
172 This returns a subclass of `transforms.MeasurementTransform`, which
173 may be instantiated with details of the algorithm configuration and
174 then called with information about calibration and WCS to convert from
175 raw measurement quantities to calibrated units. Calibrated data is
176 then provided in a separate output table.
177
178 Notes
179 -----
180 By default, we copy everything from the input to the output without
181 transformation.
182 """
183 return PassThroughTransform

Member Data Documentation

◆ APCORR_ORDER

float lsst.meas.base.pluginsBase.BasePlugin.APCORR_ORDER = 3.0
staticinherited

Definition at line 98 of file pluginsBase.py.

◆ CENTROID_ORDER

float lsst.meas.base.pluginsBase.BasePlugin.CENTROID_ORDER = 0.0
staticinherited

Definition at line 72 of file pluginsBase.py.

◆ config

lsst.meas.base.pluginsBase.BasePlugin.config = config
inherited

Definition at line 130 of file pluginsBase.py.

◆ ConfigClass

lsst.meas.base.pluginsBase.BasePlugin.ConfigClass = BasePluginConfig
staticinherited

Definition at line 116 of file pluginsBase.py.

◆ DEFAULT_CATALOGCALCULATION

float lsst.meas.base.pluginsBase.BasePlugin.DEFAULT_CATALOGCALCULATION = 4.0
staticinherited

Definition at line 108 of file pluginsBase.py.

◆ FLUX_MOMENTS_CALCULATED

float lsst.meas.base.diaCalculation.DiaObjectCalculationPlugin.FLUX_MOMENTS_CALCULATED = 5.0
staticinherited

Definition at line 70 of file diaCalculation.py.

◆ FLUX_ORDER

float lsst.meas.base.pluginsBase.BasePlugin.FLUX_ORDER = 2.0
staticinherited

Definition at line 89 of file pluginsBase.py.

◆ inputCols

list lsst.meas.base.diaCalculation.DiaObjectCalculationPlugin.inputCols = []
staticinherited

Definition at line 83 of file diaCalculation.py.

◆ logName

lsst.meas.base.pluginsBase.BasePlugin.logName = logName
inherited

Definition at line 132 of file pluginsBase.py.

◆ name

lsst.meas.base.pluginsBase.BasePlugin.name = name
inherited

Definition at line 131 of file pluginsBase.py.

◆ needsFilter

bool lsst.meas.base.diaCalculation.DiaObjectCalculationPlugin.needsFilter = True
staticinherited

Definition at line 99 of file diaCalculation.py.

◆ outputCols

list lsst.meas.base.diaCalculation.DiaObjectCalculationPlugin.outputCols = []
staticinherited

Definition at line 91 of file diaCalculation.py.

◆ plugType

str lsst.meas.base.catalogCalculation.CatalogCalculationPlugin.plugType = 'single'
staticinherited

Definition at line 69 of file catalogCalculation.py.

◆ registry

lsst.meas.base.catalogCalculation.CatalogCalculationPlugin.registry = PluginRegistry(CatalogCalculationPluginConfig)
staticinherited

Definition at line 65 of file catalogCalculation.py.

◆ SHAPE_ORDER

float lsst.meas.base.pluginsBase.BasePlugin.SHAPE_ORDER = 1.0
staticinherited

Definition at line 80 of file pluginsBase.py.


The documentation for this class was generated from the following file: