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-1047 DRP 2-D Pipeline <p><a href="https://pfspipe.ipmu.jp/jira/secure/ViewProfile.jspa?name=cj1223" class="user-hover" rel="cj1223">Christian Kragh Jespersen</a> reports that processing `72034 r1` gives this traceback, ending in <tt>Failed to initialise spline for type akima, length 4</tt>.</p> <div class="code panel" style="border-width: 1px;"><div class="codeContent panelContent"> <pre class="code-java"> reduceExposure.py /projects/HSC/PFS/Subaru --calib /projects/HSC/PFS/Subaru/CALIB-PFI-20211220/ --rerun ckj/moon3_250522 --id visit=72034 arm=r -c isr.doFlat=False isr.doApplyGains=True photometerLines.doSubtractLines=True photometerLines.continuum.numKnots=100 photometerLines.continuum.maskLineRadius=2 doSubtractContinuum=True fitContinuum.numKnots=100 fitContinuum.maskLineRadius=2 -j 20 </pre> </div></div> <div class="code panel" style="border-width: 1px;"><div class="codeContent panelContent"> <pre class="code-java"> <span class="code-quote">"/projects/HSC/PFS/stack/20220525/stack/miniconda3-py38_4.9.2-3.0.0/Linux64/pipe_base/g590c34a36e+5da9528084/python/lsst/pipe/base/cmdLineTask.py"</span>, line 436, in __call__ result = self.runTask(task, dataRef, kwargs) File <span class="code-quote">"/projects/HSC/PFS/stack/20220525/stack/miniconda3-py38_4.9.2-3.0.0/Linux64/pipe_base/g590c34a36e+5da9528084/python/lsst/pipe/base/cmdLineTask.py"</span>, line 504, in runTask <span class="code-keyword">return</span> task.runDataRef(dataRef, **kwargs) File <span class="code-quote">"/projects/HSC/PFS/stack/20220525/stack/miniconda3-py38_4.9.2-3.0.0/Linux64/drp_stella/merge-20220525/python/pfs/drp/stella/reduceExposure.py"</span>, line 305, in runDataRef continua = self.fitContinuum.run(spectra) File <span class="code-quote">"/projects/HSC/PFS/stack/20220525/stack/miniconda3-py38_4.9.2-3.0.0/Linux64/drp_stella/merge-20220525/python/pfs/drp/stella/fitContinuum.py"</span>, line 76, in run result = self.fitContinuum(spec, lines) File <span class="code-quote">"/projects/HSC/PFS/stack/20220525/stack/miniconda3-py38_4.9.2-3.0.0/Linux64/drp_stella/merge-20220525/python/pfs/drp/stella/fitContinuum.py"</span>, line 122, in fitContinuum <span class="code-keyword">return</span> self._fitContinuumImpl(flux, good &amp; keep) File <span class="code-quote">"/projects/HSC/PFS/stack/20220525/stack/miniconda3-py38_4.9.2-3.0.0/Linux64/drp_stella/merge-20220525/python/pfs/drp/stella/fitContinuum.py"</span>, line 149, in _fitContinuumImpl interp = makeInterpolate(knots[use], binned[use], self.fitType) lsst.pex.exceptions.wrappers.OutOfRangeError: File <span class="code-quote">"src/math/Interpolate.cc"</span>, line 202, in lsst::afw::math::InterpolateGsl::InterpolateGsl(<span class="code-keyword">const</span> std::vector&lt;<span class="code-object">double</span>&gt;&amp;, <span class="code-keyword">const</span> std::vector&lt;<span class="code-object">double</span>&gt;&amp;, lsst::afw::math::Interpolate::Style) Failed to initialise spline <span class="code-keyword">for</span> type akima, length 4 {0} lsst::pex::exceptions::OutOfRangeError: <span class="code-quote">'Failed to initialise spline <span class="code-keyword">for</span> type akima, length 4'</span> </pre> </div></div> PIPE2D-1047

Spline error in 1-D sky subtraction

Story Normal Done Done price rhl Thu, 26 May 2022 20:05:42 +0000 Thu, 2 Jun 2022 14:34:56 +0000 Thu, 2 Jun 2022 14:34:56 +0000 0 3 <p>Some NANs in the photometry were messing up the spectra due to <tt>photometerLines.doSubtractLines=True</tt>.</p> <p>Changes in PR <a href="https://github.com/Subaru-PFS/drp_stella/pull/271" class="external-link" rel="nofollow">https://github.com/Subaru-PFS/drp_stella/pull/271</a> look fine. Tested changes by repeating above <tt>reduceExposure</tt> run. Run completed with no errors. </p> <p>However, not sure of quality of extracted spectra. See 'spectral image' generated from the <tt>showAllSpectraAsImage</tt> utility using the `pfsArm` product <span class="image-wrap" style=""><a id="15203_thumb" href="https://pfspipe.ipmu.jp/jira/secure/attachment/15203/15203_Screen+Shot+2022-06-01+at+10.37.11+PM.png" title="Screen Shot 2022-06-01 at 10.37.11 PM.png" file-preview-type="image" file-preview-id="15203" file-preview-title="Screen Shot 2022-06-01 at 10.37.11 PM.png"><img src="https://pfspipe.ipmu.jp/jira/secure/thumbnail/15203/_thumb_15203.png" style="border: 0px solid black" /></a></span> .As the original spline error as been addressed, I consider this ticket as reviewed, and the above might be better tracked in a separate ticket.</p> <p>The extracted spectra look weird because the configuration options include both subtracting the continuum (<tt>doSubtractContinuum=True</tt>) and subtracting the sky emission lines (<tt>photometerLines.doSubtractLines=True</tt>).</p> <p>Merged to master.</p> Development Rank 0|02qpjd:00xznup2c Reviewers hassan