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  1. Data Management
  2. DM-17737

RangeError: 'Unexpectedly large transform passed to WarpedPsf'

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    • Type: Story
    • Status: Done
    • Resolution: Done
    • Fix Version/s: None
    • Component/s: None
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    • Story Points:
      1
    • Sprint:
      DRP S19-3
    • Team:
      Data Release Production

      Description

      With w_2019_04 lsst_distrib and master obs_lsst at the time, "RangeError" is seems in makeCoaddTempExp in several tracts of imsim DESC Run 1.2i data. An example to reproduce is:

      makeCoaddTempExp.py  /datasets/DC2/repo/ --rerun w_2019_04/sfm:private/username/yours -c doApplyUberCal=False --id tract=4432 patch=4,5 filter=g   --selectId visit=183892
      

      which gives:

      makeCoaddTempExp INFO: Processing calexp 1 of 1 for this Warp: id=DataId(initialdata={'visit': 183892, 'filter': 'g', 'raftName': 'R34', 'detectorName': 'S12', 'detector': 158, 'tract': 4432}, tag=set())
      makeCoaddTempExp.warpAndPsfMatch.psfMatch INFO: compute Psf-matching kernel
      makeCoaddTempExp.warpAndPsfMatch INFO: Cannot PSF-Match: 
        File "src/WarpedPsf.cc", line 72, in lsst::geom::Box2I lsst::meas::algorithms::{anonymous}::computeBBoxFromTransform(lsst::geom::Box2I, const lsst::geom::AffineTransform&)
          Unexpectedly large transform passed to WarpedPsf {0}
      lsst::pex::exceptions::RangeError: 'Unexpectedly large transform passed to WarpedPsf'
       
      makeCoaddTempExp INFO: directWarp has 349480 good pixels (2.0%)
      makeCoaddTempExp INFO: psfMatchedWarp has 0 good pixels (0.0%)
      makeCoaddTempExp INFO: Persisting deepCoadd_directWarp
      

      FWIW, this wasn't seen in last year's processing using w_2018_49.

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              • Assignee:
                yusra Yusra AlSayyad
                Reporter:
                hchiang2 Hsin-Fang Chiang
                Watchers:
                Hsin-Fang Chiang, John Swinbank, Yusra AlSayyad
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