https://pfspipe.ipmu.jp/jira This file is an XML representation of an issue en-us 8.3.4 803005 13-09-2019 https://pfspipe.ipmu.jp/jira/browse/PIPE2D-737 DRP 2-D Pipeline <p>DetectorMaps are fit from centroids measured using the <tt>SdssCentroid</tt> measurement from LSST, but <a href="https://github.com/Subaru-PFS/drp_stella/blob/master/src/SpectralPsf.cc#L62-L105" class="external-link" rel="nofollow">PSFs are centroided</a> using regular image moments. We should switch to using <tt>SdssCentroid</tt> on the PSFs for consistency.</p> PIPE2D-737

Use SdssCentroid to centroid PSFs

Story Normal Done Done price price Wed, 24 Feb 2021 14:52:33 +0000 Wed, 4 Aug 2021 00:54:58 +0000 Wed, 4 Aug 2021 00:54:58 +0000 0 3 <p><tt>SdssCentroid</tt> requires a PSF, but it looks like it only uses the width from that, so we should be able to fake it out by measuring the second moments and providing a <tt>GaussianPsf</tt>.</p> <p>Added new functions to centroid an image, made them available from python and switched <tt>recenterOversampledKernelImage</tt> to use them.</p> <p>Changes look fine to me.</p> <p>Merged.</p> Development Rank 0|02qpt6:508yl0chzzy00000ywc Reviewers hassan Sprint 2DDRP-2021 A 7 Story Points 2.0