Stamp¶

class lsst.meas.algorithms.Stamp(stamp_im: MaskedImageF, archive_element: Optional[Persistable] = None, position: Optional[SpherePoint] = SpherePoint(nan * degrees, nan * degrees))¶

Bases: AbstractStamp

Single stamp

Parameters:

stamp_imlsst.afw.image.MaskedImageF: The actual pixel values for the postage stamp
positionlsst.geom.SpherePoint, optional: Position of the center of the stamp. Note the user must keep track of the coordinate system

Attributes Summary

`archive_element`
`position`

Methods Summary

factory(stamp_im, metadata, index[, ...])

This method is needed to service the FITS reader.

Attributes Documentation

archive_element: Optional[Persistable] = None¶

position: Optional[SpherePoint] = SpherePoint(nan*degrees, nan*degrees)¶

Methods Documentation

classmethod factory(stamp_im, metadata, index, archive_element=None)¶

This method is needed to service the FITS reader. We need a standard interface to construct objects like this. Parameters needed to construct this object are passed in via a metadata dictionary and then passed to the constructor of this class. If lists of values are passed with the following keys, they will be passed to the constructor, otherwise dummy values will be passed: RA_DEG, DEC_DEG. They should each point to lists of values.

Parameters:

stamplsst.afw.image.MaskedImage: Pixel data to pass to the constructor
metadatadict: Dictionary containing the information needed by the constructor.
idxint: Index into the lists in metadata
archive_elementafwTable.io.Persistable, optional: Archive element (e.g. Transform or WCS) associated with this stamp.

Returns:

stampStamp: An instance of this class

Navigation

Stamp¶