Change Log

1.18.1 (2025-12-04)

  • Fix release workflow.

1.18.0 (2025-12-04)

  • default to winpos+flex centroids for FVC analysis

  • remove a ton of unused code

  • Deprecate Python 3.8.

  • Back to using the official sep package from sep-developers/sep now that it’s maintained again.

1.17.0 (2025-08-20)

  • Correctly identify and propogate offset flags for targets brighter than offset limit.

  • Add option to return valid offset boolean.

1.16.0 (2025-08-11)

  • Update SOFA library to 2023-10-11.

1.15.0 (2025-08-04)

  • Update default scale settings for APO and LCO.

  • Add new default offset function values for iota.

  • Pin pybind11 to 3.0.0.

  • Fix some tests.

1.14.0 (2025-02-24)

  • Add a weighted fitting routine for the zhao burge transforms based on fiducial variance seen in dither analysis.

1.13.0 (2024-10-16)

  • Add WCS object validation check (passing an empty WCS in SolvePointing causes problems).

  • Add FVC center pixel info for LCO.

  • Switch to using Pramod’s new Gaia DR2 table when running at Utah.

  • Re-implement nudge correction with flexure handling and separate model for outer FIFs.

1.12.0 (2024-09-05)

  • Add new parameters for offset function. Includes new parameters and expanding use of Moffar profile past core.

1.11.2 (2024-05-29)

  • limit gaia source queries to 250 brightest stars per gfa (speeds up crowded field guiding)

1.11.1 (2024-05-08)

  • remove print statements

1.11.0 (2024-05-08)

  • Add new guide fitter (SolvePointing class), implements a gaia based iterative fitter for pointing solutions.

  • Add sped up array based conversions between wok and positioner coords.

1.10.0 (2024-03-07)

  • Change default focal plane scale factor to 1.0003 after new IMB installed

  • Add set of zbplus coefficients (probably bad ones, but whatever) to the transforms.FVCTransformLCO class.

1.9.3 (2024-01-27)

  • #23: added Observer.fromEquatorial() classmethod to initialise a new Observer from an array of topocentric RA and Dec coordinates. Alternatively a set to HA and Dec coordinates can be provided if hadec=True.

1.9.2 (2024-01-15)

  • Handle import of transforms if WOKCALIB_DIR has not been defined.

1.9.1 (2024-01-15)

  • No changes since 1.9.1b1. Tagging as full release.

1.9.1b1 (2024-01-10)

  • Change to use the sdss-sep package and wheels.

1.9.0 (2023-09-29)

  • Change nudge x offset back to zero. fps_calibrations now has new nudge models in place built from trimmed FVC images.

  • Modify nudge model clipping behavior, currently all corrections with abs(corr)>.75 pixels will be applied with corrections clipped at +/- 0.75

1.8.1 (2023-07-28)

  • Add ZB normalization factor option for FVC fitting. Defaults to 330 mm in FVC transform classes.

1.8.0 (2023-07-24)

  • Update offset functions to include following functionalities: * New defaults for offset function parameters * Observatory dependent offsetting as default * Offsets are calculated using all magnitudes for a source and the maximum is used as the returned offset

1.7.3 (2023-04-28)

  • Also calculate measured RMS using only cameras that were used for the fit.

1.7.2 (2023-04-27)

  • Calculate global fit RMS using only cameras that were used for the fit.

1.7.1 (2023-04-25)

  • Update default safety_factor for bright and dark time.

  • Calculate guider fit RMS.

1.7.0 (2023-04-15)

  • Adjust nudge model for new FVC frame sizes at APO and LCO.

  • Added binding for the SOFA iauRefco function.

  • Allow to call FocalPlane() with use_closest_wavelength and an arbitrary wavelength to use the ZEMAX model with the closest wavelength.

1.6.1 (2023-01-15)

  • In get_marginal() allow to normalise the distribution using an input value. Otherwise use a narrow regions around the centre of the box.

  • Several improvements to Gaussian fitting in fit_gaussian_to_marginal(). Mark marginal fit as bad if the fit is unsuccessful.

  • Improve plotting of detections in extract_marginal()

  • Sort detections by flux and allow to cap the number of sources returned.

  • Require that tnpix be larger than minarea in sextractor_quick()

1.6.0 (2023-01-05)

  • Implement zbplus2 FVC transform.

  • Handle Hogg coefficients by loading from the first wokcalib dir on path.

1.5.2 (2023-01-02)

Several changes to extraction.extract_marginal():

  • Fix a potential problem in plot box.

  • Deal with no detections in extract_marginal().

  • Use gray colourmap in extract_marginal() plotting.

1.5.1 (2022-12-26)

  • Make seaborn a dependency since it’s needed by some of the extraction routines.

1.5.0 (2022-12-26)

  • No major changes since 1.5.0b1. Tagging as full release.

1.5.0b1 (2022-11-07)

  • Added additional tools for extraction and fitting the marginal distribution.

  • #17: implementation of the offset function.

1.4.5 (2022-10-20)

  • Add guider tools for cross-matching with catalogue data.

1.4.4 (2022-09-15)

  • Add an only_radec option to GuiderFitter.fit() to only fit RA/Dec (pure translation).

1.4.3 (2022-09-11)

  • Use focalScale=1 in GuiderFitter.

  • Update the solve-field command options when calling AstrometryNet.run_async().

1.4.2 (2022-09-08)

  • Add default scale factors for APO and LCO for radec2wokxy and wokxy2radec

1.4.1 (2022-08-31)

  • Use astropy 5 and numpy 1.23 for Python>=3.8.

1.4.0 (2022-08-31)

  • Add dimage (Blanton’s) simplexy and refinexy for centroiding if wanted

  • Add nudge option for centroiding based on CCD static distortion model

  • Default to 33 term ZB basis and nudge centroiding for FVC

  • Fix a bug in which the object epoch for an ICRS coordinate would not change when ICRS.to_epoch() was called.

  • Tweaks to FVCTransformLCO parameters based on telescope data.

  • Moved astrometry.net and guider fitting tools from cherno to coordio.guide.

  • Added a coordio.extraction.sextractor_quick() function for simple extraction with background subtraction using sep.

  • Change defaults.FOCAL_SCALE to 1. It may be removed in the future.

1.3.1 (2022-04-24)

  • Updated release action in GitHub to build wheels for manylinux and macOS.

1.3.0 (2022-04-21)

  • Add FVCTransformAPO class.

  • Change the base URL for the IERS bulletins.

  • Pass the fpsScale parameter to wokToFocal when creating focal coordinates from wok coordinates.

1.2.1 (2022-01-26)

  • Add fpScale parameter to adjust the scale of the focal plane. Default value is 0.9998.

  • Modify default behavior between focal plane and wok to assume a flat wok.

1.2.0 (2022-01-04)

  • Add fiberAssignment to Calibration.

  • Add new implementation of tangentToPositioner.

  • Add GFA coordinates to calibrations.

  • Add plate scale defaults for APO and LCO.

1.1.3 (2021-11-14)

  • When Calibration does not have any files, the data frames are set to empty instead of None.

1.1.2 (2021-11-14)

  • Use measured alpha and beta offsets when transforming from tangent to positioner.

  • Replace error in iauPmsafe with warning.

  • Add RoughTransform and ZhaoBurgeTransform (#11).

  • Undo changes to wokToTangentArr. Reverted to only supporting one holeID per array (#11).

  • Add a Calibration class to store all active calibrations, allowing for concatenation of different site calibrations (#12).

1.1.1 (2021-10-28)

C++ implementation of wok, tangent, positioner transforms. Improvements to packaging.

1.0.0 (2021-05-01)

First tagged version