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-333 DRP 2-D Pipeline <p>Using the extraction profile contained in a fiber trace, construct a 1D line-spread function (LSF) from a 2D PSF.</p> <p>This LSF should be provided as an instance of the <tt>Lsf</tt> class (<a href="https://pfspipe.ipmu.jp/jira/browse/PIPE2D-342" title="Define {{Lsf}} class" class="issue-link" data-issue-key="PIPE2D-342"><del>PIPE2D-342</del></a>).</p> PIPE2D-333

Construct a 1D LSF from a 2D PSF

Task Normal Done Done price hassan Mon, 4 Feb 2019 02:32:54 +0000 Mon, 4 Jan 2021 20:23:07 +0000 Thu, 2 Apr 2020 19:28:12 +0000 6.0 0 4 <p>It goes in <tt>ReduceExposureTask.calculateLsf</tt>.</p> <p>Is there an issue for defining the <tt>Lsf</tt> class?  It'd want to be a subclass of <tt>Psf</tt>, or at least behave the same way in Python as I want the code to construct a spectrum from a line list and <tt>Psf/Lsf</tt> to be generic.</p> <p>I expect this ticket needs to define the <tt>Lsf</tt> class as well. I also expect it to have the same kind of methods as the 2D <tt>Psf</tt> class.</p> <p>I've created a separate issue for the <tt>Lsf</tt> class. It helps separate the work activities a little.</p> <p>Following a request 2019-02-13 from <a href="https://pfspipe.ipmu.jp/jira/secure/ViewProfile.jspa?name=naoyuki.tamura" class="user-hover" rel="naoyuki.tamura">naoyuki.tamura</a>: re-assigned ticket to Keigo Nakamura.</p> <p>Re-assigned to <a href="https://pfspipe.ipmu.jp/jira/secure/ViewProfile.jspa?name=price" class="user-hover" rel="price">price</a> following a dedicated DRP telecon today, as he/Princeton are best suited for this ticket.</p> <p>Below: LSF derived from a <tt>NevenPsf</tt>, evaluated for <tt>fiberId=339 wavelength=800</tt>. This has a FWHM of 2.8 pixels. It shows some negative pixels, which are present in the PSF.</p> <p><span class="image-wrap" style=""><img src="https://pfspipe.ipmu.jp/jira/secure/attachment/12538/12538_lsf_339_800.png" style="border: 0px solid black" /></span></p> <p>I should mention how I generated this (since LSFs are not generated by default):</p> <div class="code panel" style="border-width: 1px;"><div class="codeContent panelContent"> <pre class="code-java"> (lsst-scipipe) pprice@tiger2-sumire:/tigress/pprice/pipe2d-483 $ reduceExposure.py DATA --calib DATA/CALIB --rerun pipe2d-333 --id visit=21460 arm=r -c doMeasurePsf=True fiberDx=-0.13 doWriteCalexp=True doWriteLsf=True </pre> </div></div> <p>Merged to master.</p> Blocks PIPE2D-339 PIPE2D-342 Relates PIPE2D-547 PIPE2D-321 Development Epic Link PIPE2D-352 Rank 0|02qprv:c4 Reviewers hassan Sprint 2DDRP-2019 G 2DDRP-2019 H 2DDRP-2021 A Story Points 2.0