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  1. Data Management
  2. DM-3033

Add Sdss3Mapper to ingest, convert and map SDSS-III "frame" files

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    Details

    • Story Points:
      5
    • Sprint:
      Science Pipelines DM-W16-6
    • Team:
      Alert Production

      Description

      SDSS-III does not use the fpC file format for science images. Science images are now released as "frame" files. The primary science image (hdu0) comes background subtracted and calibrated to units of nanomaggies, with the backgrounds and flat-field conversions included as extensions. The astrometric information is in hdu3 instead of a separate asTrans file.

      obs_sdss should be able to ingest frame files and map them to load as dataset "raw." It should also optionally replace the backgrounds and de-calibrate to convert the units back from nanomaggies to counts.

      This will be implemented as lsst.obs.sdss.sdssMapper.Sdss3Mapper.

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          is blocked by

          Epic - Created by Jira Software - do not edit or delete. Issue type for a big user story that needs to be broken down. DM-6266 Upgrade cfitsio and deal with long keyword handling

          • Invalid

          Improvement - An improvement or enhancement to an existing feature or task. DM-4115 Update cfitsio to 3.37 (adding bz2 support)

          • Invalid

          RFC - An issue whose primary purpose is to advertise an intent and allow stakeholders to comment. RFC-105 Update cfitsio to version that adds bz2 support

          • Implemented
          relates to

          RFC - An issue whose primary purpose is to advertise an intent and allow stakeholders to comment. RFC-645 Deprecate obs_sdss and lsst_stack_demo

          • Implemented

            Activity

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            Parejkoj John Parejko added a comment -

            I've started on this. Will begin with grabbing a new SDSS file and creating some unittests.

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            Parejkoj John Parejko added a comment - I've started on this. Will begin with grabbing a new SDSS file and creating some unittests.
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            Parejkoj John Parejko added a comment -

            Initial work pushed to tickets/DM-3033 branch. Waiting on DM-4115.

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            Parejkoj John Parejko added a comment - Initial work pushed to tickets/ DM-3033 branch. Waiting on DM-4115 .
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            Parejkoj John Parejko added a comment -

            Russell Owen Russell's updates to processCCD may require a small tweak to NullSdssIsrTask to fully support this.

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            Parejkoj John Parejko added a comment - Russell Owen Russell's updates to processCCD may require a small tweak to NullSdssIsrTask to fully support this.
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            Parejkoj John Parejko added a comment -

            DM-6266 is the new "upgrade cfitsio" epic.

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            Parejkoj John Parejko added a comment - DM-6266 is the new "upgrade cfitsio" epic.
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            Parejkoj John Parejko added a comment -

            Bumping back to To Do, since I stopped this a while back.

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            Parejkoj John Parejko added a comment - Bumping back to To Do, since I stopped this a while back.
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            swinbank John Swinbank added a comment -

            Won't Fix, per RFC-645.

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            swinbank John Swinbank added a comment - Won't Fix, per RFC-645 .

              People

              Assignee:
              Unassigned Unassigned
              Reporter:
              yusra Yusra AlSayyad
              Watchers:
              Andrew Connolly, John Parejko, John Swinbank, Robert Lupton, Russell Owen, Simon Krughoff, Yusra AlSayyad
              Votes:
              0 Vote for this issue
              Watchers:
              7 Start watching this issue

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