lsst.meas.algorithms.dynamicDetection.DynamicDetectionConfig Class Reference

Inheritance diagram for lsst.meas.algorithms.dynamicDetection.DynamicDetectionConfig:

Public Member Functions
	setDefaults (self)

Static Public Attributes
	prelimThresholdFactor
	prelimNegMultiplier
	skyObjects = ConfigurableField(target=SkyObjectsTask, doc="Generate sky objects.")
	doBackgroundTweak
	minFractionSources
	doBrightPrelimDetection
	brightMultiplier
	brightNegFactor
	brightGrowFactor
	brightMaskFractionMax
	bisectFactor

Detailed Description

Configuration for DynamicDetectionTask

Definition at line 22 of file dynamicDetection.py.

Member Function Documentation

setDefaults()

lsst.meas.algorithms.dynamicDetection.DynamicDetectionConfig.setDefaults

(

self

)

Reimplemented from lsst.meas.algorithms.detection.SourceDetectionConfig.

Definition at line 64 of file dynamicDetection.py.

    def setDefaults(self):
        SourceDetectionConfig.setDefaults(self)
        self.skyObjects.nSources = 1000  # For good statistics
        for maskStr in ["SAT"]:
            if maskStr not in self.skyObjects.avoidMask:
                self.skyObjects.avoidMask.append(maskStr)
 
 

Member Data Documentation

bisectFactor

lsst.meas.algorithms.dynamicDetection.DynamicDetectionConfig.bisectFactor

static

Initial value:

=  Field(dtype=float, default=1.2,
                         doc="Factor by which to increase thresholds in brightMaskFractionMax loop.")

Definition at line 61 of file dynamicDetection.py.

brightGrowFactor

lsst.meas.algorithms.dynamicDetection.DynamicDetectionConfig.brightGrowFactor

static

Initial value:

=  Field(dtype=int, default=40,
                             doc="Factor by which to grow the footprints of sources detected in the "
                             "\"bright\" detections stage (want this to be large to mask wings of "
                             "bright sources).")

Definition at line 51 of file dynamicDetection.py.

brightMaskFractionMax

lsst.meas.algorithms.dynamicDetection.DynamicDetectionConfig.brightMaskFractionMax

static

Initial value:

=  Field(dtype=float, default=0.95,
                                  doc="Maximum allowed fraction of masked pixes from the \"bright\" "
                                  "detection stage (to mask regions unsuitable for sky sourcess). "
                                  "If this fraction is exeeded, the detection threshold for this stage "
                                  "will be increased by bisectFactor until the fraction of masked "
                                  "pixels drops below this threshold.")

Definition at line 55 of file dynamicDetection.py.

brightMultiplier

lsst.meas.algorithms.dynamicDetection.DynamicDetectionConfig.brightMultiplier

static

Initial value:

=  Field(dtype=float, default=2000.0,
                             doc="Multiplier to apply to the prelimThresholdFactor for the "
                             "\"bright\" detections stage (want this to be large to only "
                             "detect the brightest sources).")

Definition at line 42 of file dynamicDetection.py.

brightNegFactor

lsst.meas.algorithms.dynamicDetection.DynamicDetectionConfig.brightNegFactor

static

Initial value:

=  Field(dtype=float, default=2.2,
                            doc="Factor by which to multiply the threshold for the negative polatiry "
                            "detections for the \"bright\" detections stage (this needs to be fairly "
                            "low given the nature of the negative polarity detections in the very "
                            "large positive polarity threshold).")

Definition at line 46 of file dynamicDetection.py.

doBackgroundTweak

lsst.meas.algorithms.dynamicDetection.DynamicDetectionConfig.doBackgroundTweak

static

Initial value:

=  Field(dtype=bool, default=True,
                              doc="Tweak background level so median PSF flux of sky objects is zero?")

Definition at line 32 of file dynamicDetection.py.

doBrightPrelimDetection

lsst.meas.algorithms.dynamicDetection.DynamicDetectionConfig.doBrightPrelimDetection

static

Initial value:

=  Field(dtype=bool, default=True,
                                    doc="Do initial bright detection pass where footprints are grown "
                                    "by brightGrowFactor?")

Definition at line 39 of file dynamicDetection.py.

minFractionSources

lsst.meas.algorithms.dynamicDetection.DynamicDetectionConfig.minFractionSources

static

Initial value:

=  Field(dtype=float, default=0.02,
                               doc="Minimum fraction of the requested number of sky sources for dynamic "
                               "detection to be considered a success. If the number of good sky sources "
                               "identified falls below this threshold, a NoWorkFound error is raised so "
                               "that this dataId is no longer considered in downstream processing.")

Definition at line 34 of file dynamicDetection.py.

prelimNegMultiplier

lsst.meas.algorithms.dynamicDetection.DynamicDetectionConfig.prelimNegMultiplier

static

Initial value:

=  Field(dtype=float, default=2.5,
                                doc="Multiplier for the negative (relative to positive) polarity "
                                "detections threshold to use for first pass (to find sky objects).")

Definition at line 28 of file dynamicDetection.py.

prelimThresholdFactor

lsst.meas.algorithms.dynamicDetection.DynamicDetectionConfig.prelimThresholdFactor

static

Initial value:

=  Field(dtype=float, default=0.5,
                                  doc="Factor by which to multiply the main detection threshold "
                                  "(thresholdValue) to use for first pass (to find sky objects).")

Definition at line 25 of file dynamicDetection.py.

skyObjects

lsst.meas.algorithms.dynamicDetection.DynamicDetectionConfig.skyObjects = ConfigurableField(target=SkyObjectsTask, doc="Generate sky objects.")

static

Definition at line 31 of file dynamicDetection.py.

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

• /j/snowflake/release/lsstsw/stack/lsst-scipipe-8.0.0/Linux64/meas_algorithms/ge6526c86ff+0d71447b4b/python/lsst/meas/algorithms/dynamicDetection.py