lsst.pipe.tasks.imageDifference.ImageDifferenceConfig Class Reference

Inheritance diagram for lsst.pipe.tasks.imageDifference.ImageDifferenceConfig:

Public Member Functions
def	setDefaults
def	validate

Static Public Attributes
tuple	doAddCalexpBackground
tuple	doUseRegister
tuple	doDebugRegister
tuple	doSelectSources
tuple	doSelectDcrCatalog
tuple	doSelectVariableCatalog
tuple	doSubtract = pexConfig.Field(dtype=bool, default=True, doc="Compute subtracted exposure?")
tuple	doPreConvolve
tuple	useGaussianForPreConvolution
tuple	doDetection = pexConfig.Field(dtype=bool, default=True, doc="Detect sources?")
tuple	doMerge
tuple	doMatchSources
tuple	doMeasurement = pexConfig.Field(dtype=bool, default=True, doc="Measure diaSources?")
tuple	doWriteSubtractedExp = pexConfig.Field(dtype=bool, default=True, doc="Write difference exposure?")
tuple	doWriteMatchedExp
tuple	doWriteSources = pexConfig.Field(dtype=bool, default=True, doc="Write sources?")
tuple	doAddMetrics
tuple	coaddName
tuple	convolveTemplate
tuple	astrometer
tuple	sourceSelector = starSelectorRegistry.makeField("Source selection algorithm", default="diacatalog")
tuple	subtract
tuple	detection
tuple	dipoleMeasurement
tuple	measurement
tuple	controlStepSize
tuple	controlRandomSeed
tuple	register
tuple	templateBorderSize
tuple	templateSipOrder
tuple	growFootprint
tuple	diaSourceMatchRadius
tuple	maxDiaSourcesToMeasure

Detailed Description

Config for ImageDifferenceTask

Definition at line 46 of file imageDifference.py.

Member Function Documentation

def lsst.pipe.tasks.imageDifference.ImageDifferenceConfig.setDefaults

(

self

)

Definition at line 141 of file imageDifference.py.

    def setDefaults(self):
        # Set default source selector and configure defaults for that one and some common alternatives
        self.sourceSelector.name = "diacatalog"
        self.sourceSelector["secondMoment"].clumpNSigma = 2.0
        # defaults are OK for catalog and diacatalog

        # DiaSource Detection
        self.detection.thresholdPolarity = "both"
        self.detection.reEstimateBackground = False
        self.detection.thresholdType = "pixel_stdev"

        # Add filtered flux measurement, the correct measurement for pre-convolved images.
        # Enable all measurements, regardless of doPreConvolved, as it makes data harvesting easier.
        # To change that you must modify algorithms.names in the task's applyOverrides method,
        # after the user has set doPreConvolved.
        self.measurement.algorithms.names.add("flux.peakLikelihood")
        self.dipoleMeasurement.algorithms.names.add("flux.peakLikelihood")

        # For shuffling the control sample
        random.seed(self.controlRandomSeed)