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LSST Data Management Base Package
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Public Member Functions | |
measure (self, measRecord, exposure, refRecord, refWcs) | |
Public Attributes | |
centroidKey | |
flagKey | |
Static Public Attributes | |
ConfigClass = ForcedTransformedCentroidFromCoordConfig | |
Record the transformation of the reference catalog coord. The coord recorded in the reference catalog is tranformed to the measurement coordinate system and stored. Parameters ---------- config : `ForcedTransformedCentroidFromCoordConfig` Plugin configuration name : `str` Plugin name schemaMapper : `lsst.afw.table.SchemaMapper` A mapping from reference catalog fields to output catalog fields. Output fields are added to the output schema. metadata : `lsst.daf.base.PropertySet` Plugin metadata that will be attached to the output catalog. Notes ----- This can be used as the slot centroid in forced measurement when only a reference coord exist, allowing subsequent measurements to simply refer to the slot value just as they would in single-frame measurement.
Definition at line 848 of file plugins.py.
lsst.meas.base.plugins.ForcedTransformedCentroidFromCoordPlugin.measure | ( | self, | |
measRecord, | |||
exposure, | |||
refRecord, | |||
refWcs ) |
Measure the properties of a source given an image and a reference. Parameters ---------- exposure : `lsst.afw.image.ExposureF` The pixel data to be measured, together with the associated PSF, WCS, etc. All other sources in the image should have been replaced by noise according to deblender outputs. measRecord : `lsst.afw.table.SourceRecord` Record describing the object being measured. Previously-measured quantities will be retrieved from here, and it will be updated in-place with the outputs of this plugin. refRecord : `lsst.afw.table.SimpleRecord` Additional parameters to define the fit, as measured elsewhere. refWcs : `lsst.afw.geom.SkyWcs` or `lsst.afw.geom.Angle` The coordinate system for the reference catalog values. An `~lsst.geom.Angle` may be passed, indicating that a local tangent WCS should be created for each object using the given angle as a pixel scale. Notes ----- In the normal mode of operation, the source centroid will be set to the WCS-transformed position of the reference object, so plugins that only require a reference position should not have to access the reference object at all.
Reimplemented from lsst.meas.base.plugins.ForcedTransformedCentroidPlugin.
Definition at line 875 of file plugins.py.
lsst.meas.base.plugins.ForcedTransformedCentroidFromCoordPlugin.centroidKey |
Definition at line 879 of file plugins.py.
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static |
Definition at line 873 of file plugins.py.
lsst.meas.base.plugins.ForcedTransformedCentroidFromCoordPlugin.flagKey |
Definition at line 882 of file plugins.py.