lsst.meas.algorithms.computeRoughPsfShapelets.ComputeRoughPsfShapeletsConfig Class Reference
Inheritance diagram for lsst.meas.algorithms.computeRoughPsfShapelets.ComputeRoughPsfShapeletsConfig:
Public Member Functions | |
| None | validate (self) |
Detailed Description
Definition at line 62 of file computeRoughPsfShapelets.py.
Member Function Documentation
◆ validate()
| None lsst.meas.algorithms.computeRoughPsfShapelets.ComputeRoughPsfShapeletsConfig.validate | ( | self | ) |
Definition at line 147 of file computeRoughPsfShapelets.py.
Member Data Documentation
◆ bad_mask_planes
|
static |
Initial value:
= ListField(
"Mask planes to identify pixels to drop from the calculation.",
dtype=str,
default=["SAT", "SUSPECT", "INTRP"],
)
Definition at line 63 of file computeRoughPsfShapelets.py.
◆ bad_pixel_exclusion_radius
|
static |
Initial value:
= Field(
"If a bad pixel (according to bad_mask_planes) falls within this "
"radius of the unweighted centroid of a footprint, drop that footprint "
"entirely.",
dtype=float,
default=2.0,
)
Definition at line 74 of file computeRoughPsfShapelets.py.
◆ bad_pixel_max_fraction
|
static |
Initial value:
= Field(
"Maximum fraction of a footprint's pixels that can be bad (according "
"to bad_mask_planes) before that footprint is fully dropped.",
dtype=float,
default=0.25,
)
Definition at line 68 of file computeRoughPsfShapelets.py.
◆ logarithmic_shapes
|
static |
Initial value:
= Field(
"If True, transform the (xx, yy, xy) moments to conformal shear "
"and log trace radius when selecting stars in order to map the ellipse "
"parameter to a space with (-inf, inf) bounds on all quantities (but "
"a less-linear relationship to the pixel data).",
dtype=bool,
default=False,
)
Definition at line 116 of file computeRoughPsfShapelets.py.
◆ max_footprint_area
|
static |
Initial value:
= Field(
"Footprints with a pixel count larger than this threshold are dropped before computing moments.",
dtype=int,
default=10000,
)
Definition at line 81 of file computeRoughPsfShapelets.py.
◆ max_n_stars
|
static |
Initial value:
= Field(
"Maximum number of stars to select. High shape-distance sources "
"are dropped as needed to meet this target.",
dtype=int,
default=20,
)
Definition at line 110 of file computeRoughPsfShapelets.py.
◆ max_radius_factor
|
static |
Initial value:
= Field(
"Maximium multiple of the mode of the radius distribution for inclusion in the star sample.",
dtype=float,
default=2.0,
)
Definition at line 91 of file computeRoughPsfShapelets.py.
◆ max_shape_distance
|
static |
Initial value:
= Field(
"Maximum Mahalanobis distance (distance from the center of the shape "
"distribution in elliptical sigma units) to select a star from the candidate "
"sample, comparing the shape of that source vs. a robust estimate of the "
"distribution of the shapes of all sources.",
dtype=float,
default=3.0,
)
Definition at line 96 of file computeRoughPsfShapelets.py.
◆ min_n_stars
|
static |
Initial value:
= Field(
"Minimum number of stars to select. The S/N, radius, and shape distance thresholds are "
"relaxed as needed to meet this target.",
dtype=int,
default=10,
)
Definition at line 104 of file computeRoughPsfShapelets.py.
◆ min_snr
|
static |
Initial value:
= Field(
"Mininum flux S/N for inclusion in the star sample.",
dtype=float,
default=50.0,
)
Definition at line 86 of file computeRoughPsfShapelets.py.
◆ radius_kde_bandwidth
|
static |
Initial value:
= Field(
"Bandwidth of the Gaussian kernel density estimator used to find the "
"first mode of the radius distribution.",
dtype=float,
default=1.0,
)
Definition at line 130 of file computeRoughPsfShapelets.py.
◆ radius_mode_min
|
static |
Initial value:
= Field(
"Minimum radius in pixels at which to start searching for the first mode. "
"This just needs be large enough to avoid unphysically small garbage (e.g. CRs).",
dtype=float,
default=1.0,
)
Definition at line 124 of file computeRoughPsfShapelets.py.
◆ shapelet_order
|
static |
Initial value:
= Field(
"Order of the shapelet expansion fit to the stars.",
dtype=int,
default=4,
)
Definition at line 136 of file computeRoughPsfShapelets.py.
◆ shapelet_scale_factor
|
static |
Initial value:
= Field(
"Scale factor to apply to the moments ellipse when computing the ellipse for the shapelet basis.",
dtype=float,
default=1.0,
)
Definition at line 141 of file computeRoughPsfShapelets.py.
The documentation for this class was generated from the following file:
- python/lsst/meas/algorithms/computeRoughPsfShapelets.py
Generated on Fri Apr 24 2026 08:25:12 for lsst.meas.algorithms by
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