lsst.meas.base¶
lsst.meas.base
provides core astronomical measurement algorithms and base classes.
Using lsst.meas.base¶
Contributing¶
lsst.meas.base
is developed at https://github.com/lsst/meas_base.
You can find Jira issues for this module under the meas_base component.
Task reference¶
Pipeline tasks¶
- ForcedPhotCcdTask
A pipeline task for performing forced measurement on CCD images.
Tasks¶
- ApplyApCorrTask
Apply aperture corrections.
- BaseMeasurementTask
Ultimate base class for all measurement tasks.
- CatalogCalculationTask
Run plugins which operate on a catalog of sources.
- ForcedMeasurementTask
Measure sources on an image, constrained by a reference catalog.
- SingleFrameMeasurementTask
A subtask for measuring the properties of sources on a single exposure.
Configs¶
- BaseMeasurementPluginConfig
Base config class for all measurement plugins.
- BasePluginConfig
Base class measurement plugin config classes.
- CatalogCalculationClassificationConfig
Configuration for catalog classification plugin.
- CatalogCalculationFootprintAreaConfig
Configuration for footprint area catalog calculation plugin.
- CatalogCalculationPluginConfig
Default configuration class for catalog calcuation plugins.
- ForcedPluginConfig
Base class for configs of forced measurement plugins.
- NoiseReplacerConfig
Noise replacement configuration.
- SingleFramePluginConfig
Base class for single-frame plugin configuration classes.
- SourceSlotConfig
Assign named plugins to measurement slots.
Python API reference¶
lsst.meas.base Package¶
Functions¶
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Register an instrumental flux field name prefix for aperture correction. |
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Generate a name for an algorithm. |
Get a copy of the field name prefixes which will be aperture corrected. |
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A decorator to register a plugin class in its base class's registry. |
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Wrap a C++ algorithm class to create a measurement plugin. |
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Wrap a C++ algorithm's control class into a Python config class. |
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Expose a C++ |
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Expose a C++ |
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Expose a C++ |
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Modify a C++ transform to accept either a |
Classes¶
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Aperture correction configuration. |
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Apply aperture corrections. |
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Base class for configuration of |
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Base configuration for all measurement driver tasks. |
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Base class for all measurement plugins. |
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Base config class for all measurement plugins. |
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Ultimate base class for all measurement tasks. |
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Base class for measurement plugins. |
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Base class measurement plugin config classes. |
Configuration for catalog classification plugin. |
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Plugin which calculates a binary measure of source extendedness. |
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Config class for the catalog calculation driver task. |
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Configuration for footprint area catalog calculation plugin. |
Catalog calculation plugin to record the area of a source's footprint. |
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Base class for catalog calculation plugins. |
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Default configuration class for catalog calcuation plugins. |
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Run plugins which operate on a catalog of sources. |
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Compute chi2 of diaSource fluxes. |
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Configuration class for generating integer IDs from |
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Configuration class for generating integer IDs from |
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Config class for the catalog calculation driver task. |
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Base class for DIA catalog calculation plugins. |
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Default configuration class for DIA catalog calculation plugins. |
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Run plugins which operate on a catalog of DIA sources. |
A noise replacer which does nothing. |
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Compute the mean of the dia source errors. |
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Evaluate the local value of the Photometric Calibration in the exposure. |
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Configuration for the variance calculation plugin. |
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Evaluate the local, linear approximation of the Wcs. |
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Configuration for the variance calculation plugin. |
alias of |
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Config class for forced measurement driver task. |
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Measure sources on an image, constrained by a reference catalog. |
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Configuration for the forced peak centroid algorithm. |
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Record the highest peak in a source footprint as its centroid. |
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Config class for forced measurement driver task. |
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Force Photometry on a per-detector exposure with coords from a DataFrame |
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A pipeline task for performing forced measurement on CCD images. |
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Base class for forced measurement plugins. |
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Base class for configs of forced measurement plugins. |
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Configuration for the forced transformed centroid algorithm. |
Configuration for the forced transformed coord algorithm. |
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Record the transformation of the reference catalog coord. |
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Record the transformation of the reference catalog centroid. |
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Configuration for the forced transformed shape algorithm. |
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Record the transformation of the reference catalog shape. |
alias of |
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The subclass of |
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Abstract base class for a generic plugin. |
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Compute the mean position of a DiaObject given a set of DiaSources. |
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A helper class for packing some combination of a data ID, a per-data-ID counter, and a release ID into a single 64-bit integer. |
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Configuration for the input image counting plugin. |
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Compute fit a linear model to flux vs time. |
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Compute median absolute deviation of diaSource fluxes. |
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Compute the maximum ratio time ordered deltaFlux / deltaTime. |
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Compute the mean position of a DiaObject given a set of DiaSources. |
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Base class for measurement transformations. |
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Compute min/max of diaSource fluxes. |
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Replace sources with noise during measurement. |
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Noise replacement configuration. |
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Null transform which transfers no data from input to output. |
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Compute the total number of DiaSources associated with this DiaObject. |
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Copy fields from input to output without transformation. |
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Compute percentiles of diaSource fluxes. |
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Map of plugins to be run for a given task. |
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Base class for plugin registries. |
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Compute scatter of diaSource fluxes. |
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Compute scatter of diaSource fluxes. |
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Transform pixel centroid, without uncertainty, to celestial coordinates. |
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Find if any DiaSource is flagged. |
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Configuration for the focal plane position measurment algorithm. |
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Algorithm to calculate the position of a centroid on the focal plane. |
alias of |
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Configuration for the Jacobian calculation plugin. |
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Compute the Jacobian and its ratio with a nominal pixel area. |
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Config class for single frame measurement driver task. |
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A subtask for measuring the properties of sources on a single exposure. |
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Configuration for moments-based star-galaxy classifier. |
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Classify objects by comparing their moments-based trace radius to PSF's. |
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Configuration for the single frame peak centroiding algorithm. |
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Record the highest peak in a source footprint as its centroid. |
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Base class for single-frame measurement plugin. |
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Base class for single-frame plugin configuration classes. |
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Configuration for the sky coordinates algorithm. |
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Record the sky position of an object based on its centroid slot and WCS. |
alias of |
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Compute the skew of diaSource fluxes. |
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Configuration class for generating integer IDs from |
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Compute the StetsonJ statistic on the DIA point source fluxes. |
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Members: |
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Configuration for the variance calculation plugin. |
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Compute the weighted mean and mean error on the point source fluxes of the DiaSource measured on the difference image. |
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Compute the weighted mean and mean error on the point source fluxes forced photometered at the DiaSource location in the calibrated image. |
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