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  1. Data Management
  2. DM-15823

Implement a source catalog / footprint browser for Firefly

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    • Story
    • Status: Done
    • Resolution: Done
    • None
    • display_firefly
    • None
    • 14
    • SUIT Sprint 2018-10, SUIT Sprint 2018-11
    • Science User Interface

    Description

      Implement functionality as part of the display_firefly backend to enable drawing footprints on an image, a custom method of the Display object.

      The overlayFootprints method will take the SourceCatalog instance as a required arguments, and will upload a table object that Firefly will understand to contain LSST detection footprints for drawing. Functionality will be added for setting the layout to place the image at upper left and the table at bottom in the Firefly display, similar to IRSA's Gator layout.

       

      The example notebook is https://github.com/lsst/display_firefly/blob/master/examples/HSC-Footprints.ipynb

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            shupe David Shupe added a comment -

            There is a large function to convert the afwTable.SourceCatalog into an astropy.vo.VOTableFile that Firefly uses draw the detection footprints and link them to the table. An example notebook has been provided.

            Final review probably ought to wait until we have the updated Firefly server and firefly_client available for testing from the lsst-lspdev science platform.

            shupe David Shupe added a comment - There is a large function to convert the afwTable.SourceCatalog into an astropy.vo.VOTableFile that Firefly uses draw the detection footprints and link them to the table. An example notebook has been provided. Final review probably ought to wait until we have the updated Firefly server and firefly_client available for testing from the lsst-lspdev science platform.
            jbosch Jim Bosch added a comment -

            Looks good, to the extend I can judge given my lack of knowledge of VOTable and Firefly protocols; my comments are mostly style issues that are mostly fixable with some linting.

            It'd definitely be good to update the example notebook after this functionality is live on lsp-dev to reflect that environment in terms of data locations and Firefly server access.

            jbosch Jim Bosch added a comment - Looks good, to the extend I can judge given my lack of knowledge of VOTable and Firefly protocols; my comments are mostly style issues that are mostly fixable with some linting. It'd definitely be good to update the example notebook after this functionality is live on lsp-dev to reflect that environment in terms of data locations and Firefly server access.
            shupe David Shupe added a comment -

            Tested in the lsst-lspdev environment with Firefly server url as http://lsst-demo.ncsa.illinois.edu/firefly

            In the future we will want to make use of slots_centroid_x and slots_centroid_y as noted on the review of the pull request.

            In the lsst-lspdev environment, the creation of the VOTable for Firefly can be quite slow. DM-16441 has been filed to address this aspect of performance.

            shupe David Shupe added a comment - Tested in the lsst-lspdev environment with Firefly server url as http://lsst-demo.ncsa.illinois.edu/firefly In the future we will want to make use of slots_centroid_x and slots_centroid_y as noted on the review of the pull request. In the lsst-lspdev environment, the creation of the VOTable for Firefly can be quite slow. DM-16441 has been filed to address this aspect of performance.

            People

              shupe David Shupe
              shupe David Shupe
              Jim Bosch
              David Shupe, Gregory Dubois-Felsmann, Jim Bosch, Xiuqin Wu [X] (Inactive)
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