desimodel Release Notes

0.19.1 (unreleased)

  • Update for latest tiles file with 5 (not 4) bright passes (update to main, not PR)

0.19.0 (2023-09-25)

NOTE: non-backwards compatible change to loadtiles()!

  • Change default file for loadtiles() (PR #168):

    • Now reads from DESI_SURVEYOPS (/trunk/ops/tiles-main.ecsv)

    • Also adds option to limit tiles to specified PROGRAM names.

    • Will now automatically load both .fits and .ecsv files.

    • Maintains option to read from old DESIMODEL location.

    • Tests cover both DESI_SURVEYOPS and DESIMODEL cases.

    • Addresses issue #167.

  • Optionally fetch the valid date range from load_focalplane (PR #170).

  • Update KPNO sync scripts to use the default software stack (PR #165).

0.18.0 (2023-01-05)

  • Add missing Python modules to doc/api.rst (PR #163).

  • Update the extra data download when installing with desiInstall (PR #159).

  • Fix tiles2pix() to allow TILERA, TILEDEC (PR #156).

  • fastfiberacceptance use .astype('=f8') to force native endianness for scipy>=1.10.0 compatibility (PR #164).

0.17.0 (2021-09-19)

Changes for syncing focalplane model with ICS database focalplane calibrations:

  • On focal plane sync, update KPNO-wide default DESIMODEL/data checkout first. (PR #151).

  • Handle swapped fibers 3429,3402 at locations 98,99 on PETAL_LOC=6 (PETAL_ID=11) (PR #152).

  • Remove deprecated focal plane generation routine, update associated docs.

0.16.0 (2021-06-25)

  • Update etc/ for automatically syncing the focalplane model to the latest DB dump (PR #148).

  • Add fiberfrac to PSF seeing conversions (PR #149).

  • Move from positioner exclusion yaml format to much faster json format (PR #150).

0.15.0 (2021-04-19)

Code in GitHub:

  • Use UTC time everywhere in the focalplane model (PR #147). This is backwards compatible with old files, but new FP models will not be readable by previous code tags.

Data in svn:

  • DB sync 2021-04-03T23:53:23 appended to desi-state-2021-03-17T23:20:01.ecsv.

  • DB sync 2021-04-10T20:00:39 appended to desi-state_2021-03-17T23:20:01.ecsv.

  • DB sync 2021-04-13T20:00:30 appended to desi-state_2021-03-17T23:20:01.ecsv.

0.14.2 (2020-03-31)

Data changes to svn, no code changes:

  • Added LYA TSNR2 templates.

  • Focalplane model updated 2021-03-17.

0.14.1 (2021-03-18)

  • Add fastfiberacceptance code originally in specsim (PR #145).

0.14.0 (2021-02-10)

  • Code (in GitHub):

    • travis test fixes for old astropy (PR #141).

    • move command line scripts from svn to git (PR #142).

    • add option to exclude petals from restricted reach (PR #144).

  • Data (in svn):

    • added Template Signal-to-Noise (TSNR) ensembles

    • added pre-calculated Noise Equivalent Area (NEA) from PSF model

    • Corrected restricted reach focalplane model (@135002)

    • Focal plan model with full reach for petal locs 0,2,4,5 (@135236)

0.13.1 (2020-08-03)

  • New tag of data+code since data had been erroneously pre-tagged 0.13.0

0.13.0 (2020-08-03)

  • Fix py3.8 syntax warnings (PR #140).

  • Fix corner cases in generating and using focalplane models (PR #139).

  • Use DESI-5501 (as built) instead of DESI-334 (design) for spectrograph throughput (PR #137).

0.12.0 (2020-03-13)

  • update platescale to as-built DESI-4037v5 (PR #136).

  • update desi-focalplane model for limited phi range 20200306 (svn data).

  • fix bug in generating focalplane model from old fiberpos files (PR #139).

  • use >= not > when comparing runtime to focalplane model #139).

0.11.0 (2020-03-13)

  • Updated data/footprint/desi-tiles.fits and desi-healpix-weights.fits with new dither pattern; see DESI-0717. Layers 0=GRAY, 1-4=DARK instead of 0-3=DARK, 4=GRAY. (PR #135).

  • Update documentation for; use consistently throughout the module (PR #133).

  • Update README file and Travis tests (PR #132).

  • Include S (curved focal surface arc length) vs. R (CS5 xy radius) table from DESI-0530 (PR #130 and #135).

0.10.3 (2019-12-20)

  • Pass multiple sets of exclusion polygons (PR #128).

  • Propagate existing focalplane state to new focalplanes (PR #129).

0.10.2 (2019-10-31)

  • Improve focalplane creation code (PR #127).

0.10.1 (2019-10-17)

  • Workaround upstream bugs in positioner locations (PR #118).

  • Added desimodel.focalplate.fieldrot.field_rotation_angle with field rotation CS5 vs. ICRS due to precession (PR #119).

  • Add focalplane model documentation (PR #125).

0.10.0 (2019-09-25)

  • Store petal and gfa keepouts in the focalplane model (PR #112).

  • When generating a focalplane, check for device locations assigned to the same slitblock and fiber (PR #113).

  • Fix support for datetime.isoformat() in Python 3.5 (PR #114).

  • Update tests and documentation to be consistent with latest desiutil versions (PR #115).

0.9.12 (2019-08-09)

  • Support for time-varying focal plane state (e.g. broken fibers) (PR #105).

  • Documentation about CI weather versus model (PR #107).

  • Fix find_points_radec() for scipy 1.3 (PR #109).

  • Replace deprecated yaml.load with yaml.safe_load (PR #110).

0.9.11 (2019-05-30)

  • Added data/footprint/ci-tiles-v7.fits, data/focalplane/ci-corners.ecsv to svn and docs to GitHub (PR #103).

0.9.10 (2019-02-28)

  • io.load_tiles(tilesfile) warns if local copy exists, but DESIMODEL version wins (PR #98 and #101).

  • Update default tile radius (max radius, not typical outer pos radius) (PR #102).

0.9.9 (2018-09-27)

  • Change default healpy pixel overlap factor from 4 to 128 (PR #93).

0.9.8 (2018-09-05)

  • Implement dome_close_fractions() to replay daily Mayall weather history (PR #92).

  • Run tests using new svn branch test-0.9.8.

  • Bug fix for GFA target selection when no targets overlap a GFA (PR #91).

0.9.7 (2018-07-30)

  • Create DESI-3977 in doc/tex/desi3977/ to track ELG SNR with changes to the DESI model.

  • Add accompanying notebook doc/nb/ELG_SNR.ipynb.

0.9.6 (2018-07-18)

  • Update data and associated code to reflect changes in DESI-347-v13 (PR #89):

    • data/throughput/thru-[brz].fits: new corrector coatings.

    • data/throughput/DESI-0347_blur.ecsv: new achromatic blurs.

    • data/desi.yaml: new read noise and dark currents.

    • data/focalplane/gfa.ecsv: replace RADIUS_MM with S.

    • data/throughput/DESI-0347_static_[123].fits: replace random offset files (RMS=10.886um) with static offset files (RMS=8.0um).

  • Use a new svn branch test-0.9.6 for travis tests (was test-0.9.3).

0.9.5 (2018-06-27)

0.9.4 (2018-03-29)

  • Download script will create INSTALL_DIR if it doesn’t exist (PR #80).

0.9.3 (2018-03-14)

  • Fix some installation bugs, and update to latest versions on various dependencies (PR #77).

  • Ensure that desimodel tests are compatible with Astropy 2 and 3, and with other DESI packages (PR #78).

  • Add footprint/desi-healpix-weights.fits and throughput/galsim-fiber-acceptance.fits to the trimmed test data set (PR #79).

0.9.2 (2018-02-27)

0.9.1 (2017-11-10)

  • Extracts wavelength coverage from specpsf files into params dictionary (PR #68).

  • Added program2pass() and pass2program() to convert between tiling integer pass number and string program name (PR #67).

0.9.0 (2017-09-19)

  • Added desimodel.focalplane.radec2xy, which converts RA, Dec coordinates to x, y coordinates on the focal plane, which accepts vector inputs.

  • Added desimodel.focalplane.on_gfa() and its respective helper functions to check if a target is on a GFA of arbitrary telescope pointing

  • Added desimodel.focalplane.on_tile_gfa() to check return a list of indices of targets on a specific tile

  • Added desimodel.focalplane.get_gfa_targets() to return a table with added columns GFA_LOC and TILEID that consists of all targets on any GFA on any tile satisfying a minimum flux in the r-band.

  • Unittests for the desimodel.focalplane functions were updated accordingly.

  • Added desimodel.footprint.find_points_in_tel_range() to return a list of indices withnin a radius of an arbitray telescope pointing, unaware of tiles (Added respective unittest)

  • Adds desimodel.focalplane.fiber_area_arcsec2()

  • Updates tests to work with trimmed data subset

0.8.0 (2017-08-07)

  • Add new weather module to specify assumed atmospheric seeing and transparency distributions at KPNO, with accompanying DESI-doc and jupyter notebook.

  • Remove seeing module, which is superseded by new weather module.

  • Added desimodel.footprint.pixweight() in desimodel.footprint to create an array of what fraction of every HEALPixel at a given nside overlaps the DESI footprint

  • Also added desimodel.footprint.tiles2fracpix() to estimate which HEALPixels overlap the footprint edges

  • Added in to load the array created by desimodel.footprint.pixweight() and resample it to any HEALPix nside

  • Modified path to Lya SNR spectra files used in, used in Lya Fisher forecast.

  • Added desimodel.inputs.build_gfa_table and its helper functions to write a .ecsv file for GFA data

  • Added to return the GFA data table

  • Added desimodel.focalplane.xy2radec, which converts x,y coordinates on the focal plane to RA, Dec coordinates

  • don’t print warnings in if specter isn’t installed

0.7.0 (2017-06-15)

  • Added desimodel.footprint.tiles2pix and .pix2tiles for mapping healpix to DESI tiles.

  • fixed psf-quicksim.fits units to be astropy-friendly

  • added

0.6.0 (2017-03-27)

  • Add desimodel.seeing module with functions that model the expected DESI zenith seeing at 6355A, with an accompanying jupyter notebook.

  • Altered xy offset RMS calculation in to scale the distribution RMS rather than the sample standard deviation.

  • Update focal plane to positioner mapping

  • z-channel 250 um CCD instead of 500 um CCD

  • Update DocDB -> desimodel update method for fiberpos and throughput

0.5.1 (2016-12-01)

  • By default, now excludes PROGRAM=EXTRA layers

  • Adds desi-tiles.* tests

0.5.0 (2016-11-21)

  • Moved test of focalplane code into the actual test suite.

  • Preparing for Python 3.

  • Changed default svn version to trunk and added error handling to install_desimodel_data.

  • Update template module file to reflect DESI+Anaconda infrastructure.

  • Add code to generate random centroid offsets in desimodel.focalplane.

  • Add jupyter notebook documenting new throughput files of PR#29.

  • Use Astropy-recommended method of reading FITS data tables.

  • Remove reference to Travis scripts in

0.4.5 (2016-07-15)

  • Fixed a minor bug that made the help message for install_desimodel_data garbled.

  • Add additional files to lightweight test data to work with quickgen

0.4.4 (2016-03-15)

  • Allow desiInstall to download and install the data from svn.

  • No changes to data in svn.

0.4.3 (2016-03-10)

  • “First” post-separation tag.

  • Added desimodel.trim.trim_data() for trimming a data directory into a lightweight version for testing.

  • svn data includes targets.dat: preliminary numbers for MWS and BGS densities (Still waiting upon supporting technote).

0.4.2 (2016-02-04)

  • Improved svn download instructions in the README file.

  • Changes to data on svn side

    • updated desi.yaml with dark vs. bright exptime

    • updated targets.dat to include MWS placeholders

  • adds ‘exptime’ -> ‘exptime_dark’ key for temporary backwards compatibility

  • Removed deprecated fibers module

  • Use ci-helpers to handle most of the dirty work of Travis build scripts.

  • Make specter import errors more verbose.

0.4.1 (2016-01-25)

  • Last tag prior to separating desimodel into code (GitHub) and data (svn) repositories.

  • pip install support (BAW).

  • Replace fitsio dependency with

0.4 (2015-12-14)

  • Added tile file for the bright time survey.

0.3.8 (2015-10-30)

  • Adds python io library (SJB).

0.3.7 (2015-04-16)

  • Tag to support dogwood production (SJB).

0.3.6 (2015-01-30)

  • Adds desimodel.focalplane.FocalPlane.xy2radec() from Jaime (SJB).

0.3.5 (2014-12-28)


added fractions for sky and stdstar fibers (SJB).


bug fixes for transformations (SJB).

0.3.4 (2014-09-23)

  • Fix a simple import error (BAW).

0.3.3 (2014-09-23)

  • Fix a simple version error (BAW).

0.3.2 (2014-09-23)

  • Change how version is set (BAW).

  • Updated target numbers.

0.3.1 (2014-07-23)

  • Also updated quicksim sn-spec* file output, using IDL version which is slightly more optimistic than the python version (diff is dark current?) (SJB).

0.3 (2014-07-23)

  • Updated throughput files for real.

  • Added initial “” script to make it easier to visualize differences in versions. This script should grow as various parameters change; right now it only makes a thoughput difference plot (SJB).

  • Updated throughput files from 0334v3 (spectro) and 0347v5 (system throughput) Correction: thoughput files didn’t make it into that change (SJB, 2014-07-08).

  • Updated psf-b.fits and psf-quicksim.fits to match new npix_y for blue STA/ITL CCDs (SJB, 2014-07-08).

0.2 (2014-07-08)

2014-07-07 SJB

  • Added ELG spectrum with continuum and multiple emission lines

2014-07-07 David Kirkby

Python quicksim

  • add readnoise contributions in quadrature during the downsampling

  • Refactor for speed, results now named ndarray, updated plots

  • Allow different base directories

2014-07-02 DJS

  • Put sky back to dimmer UVES sky model

0.1 (2014-07-01)

2014-06-29 SJB

  • Extended fiberloss range from 3500-10000 instead of 3600-10000

  • Added data/throughput/fiberloss-qso.dat (same as fiberloss-star.dat)

2014-06-27 SJB

  • Updated data/focalplane/platescale.txt with latest from DESI-0329v14. This includes a new “theta” column.

  • Updated desi.yaml from DESI-0347v4. This removes the FWHM and wavemin/max params which are not derived quantities associated with the PSFs.

  • Updated throughput files with new numbers from DESI-0347v4.

  • Updated spectrograph throughput files with new numbers from DESI-0334v2.

  • Updated py/ -> bin/ . Biggest change is ELG half light radius 0.35” -> 0.45” which drops us below 7-sigma.

  • Updated data/throughput/fiberloss-*.dat files with calculation based upon

  • bin/ extracted PSF parameters needed for quicksim.
    • pro/ updated, but it still treats FWHM as constant rather than wavelength dependent.

    • python quicksim will be broken until it is updated to use new inputs.

  • Reorganized data/inputs/throughput/

  • leftover spot mirroring bug removed, PSFs updated

2014-06-12 SJB

  • Updated throughputs to not double count central obscuration.

  • Updated PSF files to remove throughputs to avoid possible inconsistency.

  • Added wavemin_all, wavemax_all to desi.yaml with min/max wavelength seen by all spectra

2014-06-06 SJB

  • Updated CCD pixel dimensions and regenerated PSFs to match.