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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,4 @@ | ||
| @startuml | ||
| GenerateDonutCatalogOnlineTaskConfig *-- GenerateDonutCatalogOnlineTaskConnections | ||
| GenerateDonutCatalogOnlineTask *-- GenerateDonutCatalogOnlineTaskConfig | ||
| @enduml |
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203 changes: 203 additions & 0 deletions
203
python/lsst/ts/wep/task/GenerateDonutCatalogOnlineTask.py
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| Original file line number | Diff line number | Diff line change |
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| # This file is part of ts_wep. | ||
| # | ||
| # Developed for the LSST Telescope and Site Systems. | ||
| # This product includes software developed by the LSST Project | ||
| # (https://www.lsst.org). | ||
| # See the COPYRIGHT file at the top-level directory of this distribution | ||
| # for details of code ownership. | ||
| # | ||
| # This program is free software: you can redistribute it and/or modify | ||
| # it under the terms of the GNU General Public License as published by | ||
| # the Free Software Foundation, either version 3 of the License, or | ||
| # (at your option) any later version. | ||
| # | ||
| # This program is distributed in the hope that it will be useful, | ||
| # but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
| # GNU General Public License for more details. | ||
| # | ||
| # You should have received a copy of the GNU General Public License | ||
| # along with this program. If not, see <https://www.gnu.org/licenses/>. | ||
|
|
||
| import typing | ||
| import os | ||
| import numpy as np | ||
| import pandas as pd | ||
| import lsst.afw.table as afwTable | ||
| import lsst.pex.config as pexConfig | ||
| import lsst.pipe.base as pipeBase | ||
| import lsst.pipe.base.connectionTypes as connectionTypes | ||
| import lsst.obs.lsst as obs_lsst | ||
| from lsst.meas.algorithms import ReferenceObjectLoader, LoadReferenceObjectsConfig | ||
| from lsst.ts.wep.bsc.WcsSol import WcsSol | ||
|
|
||
|
|
||
| class GenerateDonutCatalogOnlineTaskConnections( | ||
| pipeBase.PipelineTaskConnections, dimensions=("instrument",) | ||
| ): | ||
| """ | ||
| Specify the connections needed for GenerateDonutCatalogOnlineTask. | ||
| We need the reference catalogs and will produce donut catalogs for | ||
| a specified instrument. | ||
| """ | ||
|
|
||
| refCatalogs = connectionTypes.PrerequisiteInput( | ||
| doc="Reference catalog", | ||
| storageClass="SimpleCatalog", | ||
| dimensions=("htm7",), | ||
| multiple=True, | ||
| deferLoad=True, | ||
| name="cal_ref_cat", | ||
| ) | ||
| donutCatalog = connectionTypes.Output( | ||
| doc="Donut Locations", | ||
| dimensions=("instrument",), | ||
| storageClass="DataFrame", | ||
| name="donutCatalog", | ||
| ) | ||
|
|
||
|
|
||
| class GenerateDonutCatalogOnlineTaskConfig( | ||
| pipeBase.PipelineTaskConfig, | ||
| pipelineConnections=GenerateDonutCatalogOnlineTaskConnections, | ||
| ): | ||
| """ | ||
| Configuration settings for GenerateDonutCatalogOnlineTask. Specifies | ||
| pointing information, filter and camera details. | ||
| """ | ||
|
|
||
| filterName = pexConfig.Field(doc="Reference filter", dtype=str, default="g") | ||
| boresightRa = pexConfig.Field( | ||
| doc="Boresight RA in degrees", dtype=float, default=0.0 | ||
| ) | ||
| boresightDec = pexConfig.Field( | ||
| doc="Boresight Dec in degrees", dtype=float, default=0.0 | ||
| ) | ||
| boresightRotAng = pexConfig.Field( | ||
| doc="Boresight Rotation Angle in degrees", dtype=float, default=0.0 | ||
| ) | ||
| cameraName = pexConfig.Field(doc="Camera Name", dtype=str, default="lsstCam") | ||
|
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||
|
|
||
| class GenerateDonutCatalogOnlineTask(pipeBase.PipelineTask): | ||
| """ | ||
| Create a WCS from boresight info and then use this | ||
| with a reference catalog to select sources on the detectors for AOS. | ||
| """ | ||
|
|
||
| ConfigClass = GenerateDonutCatalogOnlineTaskConfig | ||
| _DefaultName = "generateDonutCatalogOnlineTask" | ||
|
|
||
| def __init__(self, **kwargs): | ||
| super().__init__(**kwargs) | ||
|
|
||
| # The filter in the reference catalog we want to use to find sources. | ||
| self.filterName = self.config.filterName | ||
|
|
||
| # Pointing information to construct the WCS. All values in degrees. | ||
| self.boresightRa = self.config.boresightRa | ||
| self.boresightDec = self.config.boresightDec | ||
| self.boresightRotAng = self.config.boresightRotAng | ||
|
|
||
| # Need camera name to get the detectors to use to find X,Y pixel | ||
| # values for the sources | ||
| self.cameraName = self.config.cameraName | ||
|
|
||
| # TODO: Temporary until DM-24162 is closed at which point we | ||
| # can remove this | ||
| os.environ["NUMEXPR_MAX_THREADS"] = "1" | ||
|
|
||
| def filterResults(self, resultsDataFrame): | ||
| """ | ||
| Run filtering on full set of sources on detector and return | ||
| the dataframe with only sources that are acceptable for | ||
| wavefront estimation. | ||
| Parameters | ||
| ---------- | ||
| resultsDataFrame: pandas DataFrame | ||
| Full list of sources from reference catalog that appear | ||
| on the detector. | ||
| Returns | ||
| ------- | ||
| pandas DataFrame | ||
| Subset of resultsDataFrame sources that pass required filtering. | ||
| """ | ||
|
|
||
| # TODO: Here is where we will set up specifications for the sources | ||
| # we want to use (i.e., filter on magnitude, blended, etc.). | ||
| # For now it just returns all sources. | ||
|
|
||
| return resultsDataFrame | ||
|
|
||
| def run( | ||
| self, | ||
| refCatalogs: typing.List[afwTable.SimpleCatalog], | ||
| ) -> pipeBase.Struct: | ||
|
|
||
| refObjLoader = ReferenceObjectLoader( | ||
| dataIds=[ref.dataId for ref in refCatalogs], | ||
| refCats=refCatalogs, | ||
| config=LoadReferenceObjectsConfig(), | ||
| ) | ||
| # This removes the padding around the border of detector BBox when | ||
| # matching to reference catalog. | ||
| # We remove this since we only want sources within detector. | ||
| refObjLoader.config.pixelMargin = 0 | ||
|
|
||
| # Set up pandas dataframe | ||
| fieldObjects = pd.DataFrame([]) | ||
| ra = [] | ||
| dec = [] | ||
| centroidX = [] | ||
| centroidY = [] | ||
| det_names = [] | ||
|
|
||
| # Get camera. Only 'lsstCam' for now. | ||
| if self.cameraName == "lsstCam": | ||
| camera = obs_lsst.LsstCam.getCamera() | ||
| else: | ||
| raise ValueError(f"{self.cameraName} is not a valid camera name.") | ||
|
|
||
| # Create WCS holder | ||
| detWcs = WcsSol(camera=camera) | ||
|
|
||
| for detector in camera: | ||
| # Set WCS from boresight information | ||
| detWcs.setObsMetaData( | ||
| self.boresightRa, | ||
| self.boresightDec, | ||
| self.boresightRotAng, | ||
| centerCcd=detector.getName(), | ||
| ) | ||
|
|
||
| try: | ||
| # Match detector layout to reference catalog | ||
| donutCatalog = refObjLoader.loadPixelBox( | ||
| detector.getBBox(), detWcs.skyWcs, filterName=self.filterName | ||
| ).refCat | ||
|
|
||
| # Add matched information to list | ||
| ra.append(donutCatalog["coord_ra"]) | ||
| dec.append(donutCatalog["coord_dec"]) | ||
| centroidX.append(donutCatalog["centroid_x"]) | ||
| centroidY.append(donutCatalog["centroid_y"]) | ||
| det_names.append([detector.getName()] * len(donutCatalog)) | ||
|
|
||
| except RuntimeError: | ||
| continue | ||
|
|
||
| # Flatten information from all detector lists and enter into dataframe | ||
| fieldObjects["coord_ra"] = np.hstack(ra).squeeze() | ||
| fieldObjects["coord_dec"] = np.hstack(dec).squeeze() | ||
| fieldObjects["centroid_x"] = np.hstack(centroidX).squeeze() | ||
| fieldObjects["centroid_y"] = np.hstack(centroidY).squeeze() | ||
| fieldObjects["detector"] = np.hstack(det_names).squeeze() | ||
|
|
||
| # Return pandas DataFrame with sources in pointing | ||
| # with ra, dec, filter flux, pixel XY information and detector name | ||
| # for each source | ||
| finalSources = self.filterResults(fieldObjects) | ||
|
|
||
| return pipeBase.Struct(donutCatalog=finalSources) |
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