<div id="geary-body" dir="auto"><div>Just my quick thoughts from following this discussion:</div><div><br></div>There is a python library on github for reading spc files:<div><br></div><div><a href="https://github.com/rohanisaac/spc">https://github.com/rohanisaac/spc</a></div><div><br></div><div>you could export the data to JSON using python and use the JSON XOP to import that data to Igor. Shouldn't be too complicated but I could be mistaken.</div><div><br></div><div><a href="https://docs.byte-physics.de/json-xop/">https://docs.byte-physics.de/json-xop/</a></div><div><br></div><div>I didn't look into the format specifications of SPC but the file format is quite complicated so I wouldn't try to do the reading myself in Igor and rather use the already existing library.</div><div><br></div><div><a href="https://github.com/rohanisaac/spc/blob/master/spc/spc.py#L34">https://github.com/rohanisaac/spc/blob/master/spc/spc.py#L34</a></div><div><br></div><div>Asking the manufacturer for a batch ASCII export and handling that ASCII files in Igor will probably create some additional unexpected work as you will need to parse header info etc. I think, ASCII is not suitable for such batch exports. If you are asking anyway, then ask for an export to HDF5 as that is easy to handle in Igor Pro.</div><div><br></div><div>Regards, Matthias</div></div><div id="geary-quote" dir="auto"><br>On Fri, Aug 30, 2019 at 10:47 PM, Jonathan Gutow <gutow@uwosh.edu> wrote:<br><blockquote type="cite"><div class="plaintext" style="white-space: pre-wrap;">Payam,
Maybe we should draft an opinion piece to C&EN and get as many people as
possible to sign on to that instead individual letters?
I am an American Physical Society member as well, so could try to be a
conduit for such a piece in Physics Today or APS News.
I suggest we try to recruit many people before submitting the initial piece.
As such I have sent this e-mail back to the IGOR list again, because I
think this group cuts across many disciplines.
Jonathan
On 8/30/19 3:40 PM, Minoofar, Payam N wrote:
<blockquote> Hi Jonathan,
I am on board with that proposal. Over the past ten years, I made that statement with my capital dollars by purchasing Dionex (now Thermo) HPLCs because their software is the only one that does batch csv export of raw data. Agilent's solution was that I either export each of the hundreds and eventually thousands of chromatograms or purchase an additional seat for their analysis software at the bargain basement price of $5000, IIRC.
The excuse they offer, of course, is that this is necessary for them to incorporate all the FDA compliance rules within their "ecosystem", but this process robs us researchers of the access we need to do the manipulations that production software cannot do.
I'll send my letter to C&EN soon.
-- Payam
x4514
-----Original Message-----
From: Jonathan Gutow <<a href="mailto:gutow@uwosh.edu">gutow@uwosh.edu</a>>
Sent: Friday, August 30, 2019 11:40 AM
To: Minoofar, Payam N <<a href="mailto:Payam.Minoofar@Teledyne.com">Payam.Minoofar@Teledyne.com</a>>
Subject: Re: shimadzu .spc files...possible long term solution to unspecified file formats...
---External Email---
Dear Igoristi,
I am disappointed that we are still having these discussions decades after computer controlled instrumentation became common. I would like to suggest a long term solution.
All requests for bids on instruments purchased for scientific uses should include in the specifications that the data file format be provided with the instrument. This requires that the majority of practicing scientists include this in their instrument specifications.
The only way I see to make this work is to start a movement to do this.
Maybe we, through our various professional organization memberships, can start campaigning for this?
Regards,
Jonathan
On 8/30/19 12:29 PM, Minoofar, Payam N wrote:
<blockquote> Thanks, Benjamin. This happens to be the same Spectragryph program that Jeffrey recommended. The $300 Euro price tag might be justify for the frequency with which I will use it. The instrument does export to ASCII, but it does not perform a batch export.
-- Payam
x4514
-----Original Message-----
From: Info-igor <<a href="mailto:info-igor-bounces@lists.info-igor.org">info-igor-bounces@lists.info-igor.org</a>> On Behalf Of
Benjamin Gilbert
Sent: Friday, August 30, 2019 10:24 AM
To: Igor Discussion List <<a href="mailto:info-igor@lists.info-igor.org">info-igor@lists.info-igor.org</a>>
Subject: Re: shimadzu .spc files
---External Email---
You might wish to consider a 3rd party application, which I resorted to when I could not solve this problem more easily.
<a href="https://www.effemm2.de/">https://www.effemm2.de/</a> <<a href="https://www.effemm2.de/">https://www.effemm2.de/</a>>
I do like this software and after using the free version for the problem in hand I purchased a version.
Benjamin Gilbert
Senior Scientist, LBNL
1 608 358 0194
Zoom: <a href="https://lbnl.zoom.us/j/5104952748">https://lbnl.zoom.us/j/5104952748</a>
<blockquote> On Aug 30, 2019, at 10:11 AM, Minoofar, Payam N <<a href="mailto:Payam.Minoofar@Teledyne.com">Payam.Minoofar@Teledyne.com</a>> wrote:
Thank you, Jeffrey. There is a Grams .spc reader in Igor Exchange,
but I assume that that is a slightly different spec from Shimadzu.
(I'm overcome by déjà vu as it feels as if I had the same exchange
some 16 years ago in grad school.)
-- Payam
x4514
-----Original Message-----
From: Info-igor <<a href="mailto:info-igor-bounces@lists.info-igor.org">info-igor-bounces@lists.info-igor.org</a>> On Behalf Of
Jeffrey Weimer
Sent: Friday, August 30, 2019 7:55 AM
To: Igor Discussion List <<a href="mailto:info-igor@lists.info-igor.org">info-igor@lists.info-igor.org</a>>
Subject: Re: shimadzu .spc files
---External Email---
I may have something crude to read spc files stored on an external HD somewhere. I believe the format is not just specific to Shimadzu. I’ll look and verify one way or the other early next week at the latest.
Otherwise, I have had great success using SpectraGryph as an intermediate translator.
--
Jeffrey J Weimer, Associate Professor
Chemistry / Chemical & Materials Engineering, UAH Huntsville, AL 35899 phone: 256-824-6954 On Aug 29, 2019, 22:39 -0400, Minoofar, Payam N <<a href="mailto:Payam.Minoofar@teledyne.com">Payam.Minoofar@teledyne.com</a>>, wrote:
<blockquote> Dearest Igoristi,
Has anyone written or encountered a routine for loading Shimadzu .spc files? I am getting the files from one of their UV-Vis spectrometers.
Many thanks in advance.
-- Payam
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