lsst.meas.astrom¶
Tasks and methods for finding an astrometric solution.
Contributing¶
lsst.meas.astrom
is developed at https://github.com/lsst/meas_astrom.
You can find Jira issues for this module under here.
Task reference¶
Command-line tasks¶
No topics.
Tasks¶
- AstrometryTask
Match an input source catalog with objects from a reference catalog and solve for the WCS.
- DirectMatchTask
Simple, brute force matching of a source catalog to a reference catalog.
- FitSipDistortionTask
Fit a TAN-SIP WCS given a list of reference object/source matches.
- FitTanSipWcsTask
Fit a TAN-SIP WCS given a list of reference object/source matches.
- MatchOptimisticBTask
Match sources to reference objects using the Optimistic Pattern Matcher B algorithm of Tabur 2007.
- MatchPessimisticBTask
Match sources to reference objects.
- RefMatchTask
Match an input source catalog with objects from a reference catalog.
Configurations¶
No topics.
Python API reference¶
lsst.meas.astrom Package¶
Functions¶
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Approximate an existing WCS as a TAN-SIP WCS |
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Overloaded function. |
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Generate a denormalized Catalog of matches |
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Show an astrometry debug image. |
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Overloaded function. |
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Overloaded function. |
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Overloaded function. |
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Plot reference objects, sources and matches |
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Set the distance field of the matches in a match list to the distance in radians on the sky. |
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Classes¶
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Config for AstrometryTask. |
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Match an input source catalog with objects from a reference catalog and solve for the WCS. |
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Configuration for |
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Configuration for |
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Simple, brute force matching of a source catalog to a reference catalog. |
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Config for FitTanSipWcsTask. |
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Fit a TAN-SIP WCS given a list of reference object/source matches. |
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Config for FitSipDistortionTask |
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Fit a TAN-SIP WCS given a list of reference object/source matches. |
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Config for FitTanSipWcsTask. |
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Fit a TAN-SIP WCS given a list of reference object/source matches. |
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Configuration for MatchOptimisticBTask |
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Match sources to reference objects using the Optimistic Pattern Matcher B algorithm of Tabur 2007. |
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Configuration for MatchPessimisticBTask |
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Match sources to reference objects. |
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Configuration for the MatchProbabilistic matcher. |
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Run MatchProbabilistic on a reference and target catalog covering the same tract. |
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Stores match tolerances for use in |
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Stores match tolerances for use in AstrometryTask and later iterations of the matcher. |
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A probabilistic, greedy catalog matcher. |
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Match an input source catalog with objects from a reference catalog. |
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Convenience class for appending a shifting an input SkyWcs on sky and appending an affine transform. |