MaskStreaksTask

Python API summary

from lsst.pipe.tasks.maskStreaks import MaskStreaksTask
classMaskStreaksTask(config=None, name=None, parentTask=None, log=None)

Find streaks or other straight lines in image data...

attributeconfig

Access configuration fields and retargetable subtasks.

methodrun(maskedImage)

Find and mask streaks in a masked image...

See also

See the MaskStreaksTask API reference for complete details.

Retargetable subtasks

No subtasks.

Configuration fields

absMinimumKernelHeight

Default
5
Field type
float Field
Minimum absolute height of the streak-finding kernel

clusterMinimumDeviation

Default
2
Field type
int Field
Allowed deviation (in pixels) from a straight line for a detected line

clusterMinimumSize

Default
50
Field type
int Field
Minimum size in pixels of detected clusters

dChi2Tolerance

Default
0.1
Field type
float Field
Absolute difference in Chi2 between iterations of line profilefitting that is acceptable for convergence

delta

Default
0.2
Field type
float Field
Stepsize in angle-radius parameter space

detectedMaskPlane

Default
'DETECTED'
Field type
str Field
Name of mask with pixels above detection threshold, used for firstestimate of streak locations

footprintThreshold

Default
0.01
Field type
float Field
Threshold at which to determine edge of line, in units of the lineprofile maximum

invSigma

Default
0.1
Field type
float Field
Inverse of the Moffat sigma parameter (in units of pixels)describing the profile of the streak

minimumKernelHeight

Default
0.0
Field type
float Field
Minimum height of the streak-finding kernel relative to the tallest kernel

nSigma

Default
2
Field type
float Field
Number of sigmas from center of kernel to include in voting procedure

rhoBinSize

Default
30
Field type
float Field
Binsize in pixels for position parameter rho when finding clusters of detected lines

streaksMaskPlane

Default
'STREAK'
Field type
str Field
Name of mask plane holding detected streaks

thetaBinSize

Default
2
Field type
float Field
Binsize in degrees for angle parameter theta when finding clusters of detected lines