StitchedPsf

class lsst.cell_coadds.StitchedPsf(images: GridContainer[ImageD], grid: UniformGrid)

Bases: ImagePsf

A piecewise PSF implementation backed by a 2-d grid of images.

Attributes Summary

COPY

INTERNAL

grid

The grid on which the images are placed.

images

The images that make up this PSF.

Methods Summary

clone()

Return a deep copy of this object.

computeApertureFlux(self, radius, position, ...)

computeBBox(self, position, color)

computeImage(self, position, color, owner)

computeImageBBox(self, position, color)

computeKernelBBox(self, position, color)

computeKernelImage(self, position, color, owner)

computePeak(self, position, color)

computeShape(self, position, color)

getAverageColor(self)

getAveragePosition()

Get a position where PSF can be evaluated on a patch.

getCacheCapacity(self)

getLocalKernel(self, position, color)

isPersistable(self)

readFits(name)

Persist the PSF as a FITS file.

recenterKernelImage(im, position, ...)

resized(self, width, height)

setCacheCapacity(self, arg0)

writeFits(name)

Persist the PSF as a FITS file.

Attributes Documentation

COPY = <ImageOwnerEnum.COPY: 0>
INTERNAL = <ImageOwnerEnum.INTERNAL: 1>
grid

The grid on which the images are placed.

images

The images that make up this PSF.

Methods Documentation

clone() StitchedPsf

Return a deep copy of this object.

computeApertureFlux(self: lsst.afw.detection.Psf, radius: typing.SupportsFloat, position: lsst.geom.Point2D, color: lsst.afw.image._imageLib.Color = <lsst.afw.image._imageLib.Color object at 0x7d9edff381b0>) float
computeBBox(self: lsst.afw.detection.Psf, position: lsst.geom.Point2D, color: lsst.afw.image._imageLib.Color = <lsst.afw.image._imageLib.Color object at 0x7d9ee2d92530>) lsst.geom.Box2I
computeImage(self: lsst.afw.detection.Psf, position: lsst.geom.Point2D, color: lsst.afw.image._imageLib.Color = <lsst.afw.image._imageLib.Color object at 0x7d9edff39df0>, owner: lsst.afw.detection.Psf.ImageOwnerEnum = <ImageOwnerEnum.???: 0>) lsst::afw::image::Image<double>
computeImageBBox(self: lsst.afw.detection.Psf, position: lsst.geom.Point2D, color: lsst.afw.image._imageLib.Color = <lsst.afw.image._imageLib.Color object at 0x7d9ee2d796f0>) lsst.geom.Box2I
computeKernelBBox(self: lsst.afw.detection.Psf, position: lsst.geom.Point2D, color: lsst.afw.image._imageLib.Color = <lsst.afw.image._imageLib.Color object at 0x7d9edff3a630>) lsst.geom.Box2I
computeKernelImage(self: lsst.afw.detection.Psf, position: lsst.geom.Point2D, color: lsst.afw.image._imageLib.Color = <lsst.afw.image._imageLib.Color object at 0x7d9edff39ff0>, owner: lsst.afw.detection.Psf.ImageOwnerEnum = <ImageOwnerEnum.???: 0>) lsst::afw::image::Image<double>
computePeak(self: lsst.afw.detection.Psf, position: lsst.geom.Point2D, color: lsst.afw.image._imageLib.Color = <lsst.afw.image._imageLib.Color object at 0x7d9ee0b61970>) float
computeShape(self: lsst.afw.detection.Psf, position: lsst.geom.Point2D, color: lsst.afw.image._imageLib.Color = <lsst.afw.image._imageLib.Color object at 0x7d9ee3caa270>) lsst.afw.geom.ellipses.Quadrupole
getAverageColor(self: lsst.afw.detection.Psf) lsst.afw.image._imageLib.Color
getAveragePosition() Point2D

Get a position where PSF can be evaluated on a patch.

This defaults to the center of the patch bounding box, unless there are no inputs there. In that case, it switches to find an arbitrary cell, typically at a corner that has inputs and returns the center position of the cell.

getCacheCapacity(self: lsst.afw.detection.Psf) int
getLocalKernel(self: lsst.afw.detection.Psf, position: lsst.geom.Point2D, color: lsst.afw.image._imageLib.Color = <lsst.afw.image._imageLib.Color object at 0x7d9edff37e70>) lsst::afw::math::Kernel
static isPersistable(self: lsst.afw.table.io.Persistable) bool
readFits(name: str) None

Persist the PSF as a FITS file.

static recenterKernelImage(im: lsst::afw::image::Image<double>, position: lsst.geom.Point2D, warpAlgorithm: str = 'lanczos5', warpBuffer: typing.SupportsInt = 5) lsst::afw::image::Image<double>
resized(self: lsst.afw.detection.Psf, width: SupportsInt, height: SupportsInt) lsst.afw.detection.Psf
setCacheCapacity(self: lsst.afw.detection.Psf, arg0: SupportsInt) None
writeFits(name: str) None

Persist the PSF as a FITS file.