- users - SasView Mailing Lists

Core + 2 shells cylinder model
by irenal＠campus.technion.ac.il 19 Mar '18

19 Mar '18

Hello, I'm a PhD student in the chemical engineering dept. at the Technion institute of technology, Israel. I study carbon nanotubes dispersions stabilized with dispersants using SANS. I am looking for a model similar to the idea of "core_multi_shell" but for a cylinder instead of a sphere. I need a cylinder with a core and 2 concentric shells, each shell has its own SLD. Are you familiar with such a model? I've looked in the search engine and in the marketplace but could not find such a model. Best, Irena Levin

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Bug in the version 4.1.2
by Rohan Shah 09 Feb '18

09 Feb '18

Dear Development team, I am a postdoc researcher at Swinburne University of Technology in Australi a. I am analysing my data and I am facing one issue from a very time. Guinier-Porod model works well in Q range 1 Guinier-Porod model works well in Q range 2 However, when I customize a model Guinier-Porod + Guinier-Porod, model does not fit at all. Can you please urgently respond to this email and advise on how do I fix th e issue? FYI – I have attached the log file. Same issue was found in earlier versions too – I have been trying every v ersion and no help. Thanks, Rohan Sent from Mail for Windows 10

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Bug in the version 4.1.2
by Rohan Shah 09 Feb '18

09 Feb '18

Dear Development team, I am a postdoc researcher at Swinburne University of Technology in Australi a. I am analysing my data and I am facing one issue from a very time. Guinier-Porod model works well in Q range 1 Guinier-Porod model works well in Q range 2 However, when I customize a model Guinier-Porod + Guinier-Porod, model does not fit at all. Can you please urgently respond to this email and advise on how do I fix th e issue? FYI – I have attached the log file. Same issue was found in earlier versions too – I have been trying every v ersion and no help. Thanks, Rohan Sent from Mail for Windows 10

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[Sasview-users] NEW SasView User Mailing List
by Andrew Jackson 27 Oct '17

27 Oct '17

Dear SasView Users We are migrating all the various SasView mailing lists away from sourceforge to better be able to support the project, and you the users of SasView. Thus, please all subscribe to the mailing list here: http://lists.sasview.org/cgi-bin/mailman/listinfo/users The old list at sourceforge will be decommissioned at the end of November. Cheers Andrew ______________________________________ Andrew Jackson Instrument Scientist - Small Angle Scattering Deputy Head of Neutron Instruments Division European Spallation Source, P.O Box 176, SE-221 00 Lund, Sweden Adjunct Associate Professor (Adjungerad Lektor) Physical Chemistry, Lund University, P.O. Box 124, SE-221 00, Lund, Sweden Phone: +46 46 888 3015 Mobile: +46 72 179 2015 E-mail: andrew.jackson@...631... www.esss.se

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Re: [Sasview-users] [Sasview-help] bug report for version WIN 4.1.2
by Paul Butler 08 Sep '17

08 Sep '17

Glad that your first issue was solved and sorry about not getting back to your question from the user list. Actually for particular feature requests the help list I think would be the best. also you can try emailing the developers list at developers@...642... There is currently a long list of tasks from major bug fixes, to major revisions and including feature requests which can be viewed at trac.sasview.org under tickets. A direct link to one common way to look at those would be http://trac.sasview.org/report/3 Please feel free to suggest things that you think would be the highest impact for your work Regarding "soft constraints" could you elaborate what you mean? Currently fairly complex equality constraints are supported though there are questions about how well those work when polydispersity is used. Inequality constraints are not supported though there is interest in seeing that. Doing inequality constraints correctly is much harder which is the current bottleneck. CHeers Paul On Sat, Sep 2, 2017 at 1:06 PM, Marcelo Ceolin <mrceolin@...6...> wrote: > Dear Paul. > Thank you very much for your care and answer. > It is true the difference between 4.x and 3.x about the default fitting > status of the parameters. In fact it is clear from the tutorial, that only > ready to fit parameters can be constrained. > For me is enough...I should only pay more attention !!!!. > I also sent to the user forum a comment/question about the way to suggest > the developers the incorporation of other features to the program. > In fact, the point is the possibility to introduce soft boundaries and > soft constrains for the parameters and more complex constrains and > relationships between them. > If you think there is a possibility to discuss the point, I will be glad > to give more details. > Thank you in advance. > Marcelo > > El 2 sept. 2017 1:53 PM, "Paul Butler" <butlerpd@...4...> escribió: > >> Hi Marcelo, >> >> Sorry for the delayed response and thank you for your feedback. >> Addressing your two issues >> >> 1) After investigating this is not so much a bug it turns out as failure >> to make usage clear so thank you for bringing to our attention. Basically >> the drop-down will only show parameters of the model that were selected to >> fit (i.e. checked in the appropriate fitting panel). I have tested 4.1.2 >> on windows 10 and it does seem to work properly. However the default when >> loading a model is for all parameters to be unchecked so unless you >> deliberately check at least one parameter (in model 1 in your case) you >> will see nothing in the drop-down (of M1 in your case). If you go back and >> check at least one parameter for fitting (probably FitPage 1 in your case?) >> you should then see that parameter in the dropdown. >> >> I'm thinking a statement in the fit constraints section indicating this >> to be the case would be appropriate? >> >> 2) This is a "known behavior" that some (many?) of us had forgotten so >> thank you for reminding us. I will make sure it is made a high priority >> ticket. However, this is only true for the LM optimizer. if you chose any >> of the other four optimizers for the fitting, those limits should be >> respected. Please let us know if that is not the case. >> >> Thanks again for the feedback and hope this helps a little >> >> Cheers >> >> Paul >> >> On Thu, Aug 31, 2017 at 1:48 PM, Marcelo Ceolin <mrceolin@...6...> >> wrote: >> >>> Dear Developers of SASVIEW >>> >>> I would like to report two bugs I found using the WINDOWS 4.1.2 release >>> of SASVIEW >>> 1) during the setup of SIMULTANEOUS fit and after selecting files to be >>> fitted and activated the ADD CONSTRINS mode, there is no PARAMETER to >>> select in the pull-down menu right from the parameter (please, find >>> attached a screen capture) >>> >>> [image: Imágenes integradas 1] >>> >>> 2) during a normal SINGLE FILE fit using the GUINIER POROD model (I >>> guess it has nothing to do with the model), the fiting procedure do not >>> take care of the limits imposed to the parameters. >>> >>> Thank you very much for your support. >>> >>> Sincerely yours. >>> >>> MARCELO CEOLIN >>> >>> -- >>> *********************************************************************** >>> Prof. Dr. Marcelo Ceolin >>> Instituto de Investigaciones Fisicoquímicas Teóricas y Aplicadas >>> UNLP-CONICET >>> Diagonal 113 y 64 >>> Casilla de Correo 16 (sucursal 4) >>> (B1906ZAA) La Plata >>> Argentina >>> >>> Tel: +54-221-4257291 <+54%20221%20425-7291> or 4257430 (int:173 or 162) >>> Fax: +54-221-4254642 <+54%20221%20425-4642> >>> e-mail: mceolin@...639... (work) or mrceolin@...6... >>> (private) >>> WEB: softmatter.quimica.unlp.edu.ar >>> <https://softmatter.quimica.unlp.edu.ar/?page_id=5823> (main) or >>> www.inifta.unlp.edu.ar >>> <http://www.inifta.unlp.edu.ar/quimica_de_la_materia_blanda> >>> ORCID ID: ORCID ID 0000-0002-2385-7803 >>> <https://orcid.org/0000-0002-2385-7803> >>> Google Scholar: Google Scholar >>> <https://scholar.google.com.ar/citations?user=7LTN_j4AAAAJ&hl=es> >>> *********************************************************************** >>> >>> >>> >>> ------------------------------------------------------------ >>> ------------------ >>> Check out the vibrant tech community on one of the world's most >>> engaging tech sites, Slashdot.org! http://sdm.link/slashdot >>> _______________________________________________ >>> Sasview-help mailing list >>> Sasview-help(a)lists.sourceforge.net >>> https://lists.sourceforge.net/lists/listinfo/sasview-help >>> >>> >>

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[Sasview-users] comments
by Marcelo Ceolin 01 Sep '17

01 Sep '17

Dear Developers of SASVIEW First of all I would like to acknowledge the quality and usefulness of the numerous SASVIEW versions. My question now is if it is possible to suggest new features and improvements (from a plain user point of view) for the next versions of the program using this or any other channel. Thank you very much in advance for your answer. MARCELO CEOLIN -- *********************************************************************** Prof. Dr. Marcelo Ceolin Instituto de Investigaciones Fisicoquímicas Teóricas y Aplicadas UNLP-CONICET Diagonal 113 y 64 Casilla de Correo 16 (sucursal 4) (B1906ZAA) La Plata Argentina Tel: +54-221-4257291 or 4257430 (int:173 or 162) Fax: +54-221-4254642 e-mail: mceolin@...639... (work) or mrceolin@...6... (private) WEB: softmatter.quimica.unlp.edu.ar <https://softmatter.quimica.unlp.edu.ar/?page_id=5823> (main) or www.inifta.unlp.edu.ar <http://www.inifta.unlp.edu.ar/quimica_de_la_materia_blanda> ORCID ID: ORCID ID 0000-0002-2385-7803 <https://orcid.org/0000-0002-2385-7803> Google Scholar: Google Scholar <https://scholar.google.com.ar/citations?user=7LTN_j4AAAAJ&hl=es> ***********************************************************************

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[Sasview-users] subscribe
by Andrew Jackson 22 Aug '17

22 Aug '17

________________________________________________________________________ Andrew Jackson Instrument Scientist - Small Angle Scattering European Spallation Source, P.O Box 176, SE-221 00 Lund, Sweden Adjunct Associate Professor (Ajungerad Lektor) Physical Chemistry, Lund University, P.O. Box 124, SE-221 00, Lund, Sweden Phone: +46 46 888 3015 Mobile: +46 72 179 2015 E-mail: andrew.jackson@...631...<mailto:andrew.jackson@...631...> www.esss.se<http://www.esss.se/>

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[Sasview-users] how to run sasview on Ubuntu 14.04 or 16.04 LTS 64 bit
by Martin Schmiele 19 May '17

19 May '17

Dear Users, has anybody succeeded to run sasview 4.1.0 on Ubuntu/Debian? I downloaded, built and installed the current source code versions for sasview + sasmodels from github. I can start the program, load data and specify fitting models (e.g. sphere model and using a polysphere example data set coming with the installation), but as soon as I start the fitting the window freezes and the whole application quickly terminates with a segmentation fault. I have the same problem on Ubuntu 14.04 (wx 2.8) and 16.04 (generally higher version numbers for the dependencies, wx 3.0). Thank you in advance, Martin p.s. I installed the dependencies listed on http://trac.sasview.org/wiki/LinuxBuildDependencies via Ubuntus package manager and pip. In case of the Ubuntu 16.04 installation, using "python check_packages.py" the following installed dependencies are listed: Checking Required Package Versions.... Common Packages reportlab Version Installed: 3.3.0 lxml Version Installed: 3.5.0.0 PIL Version Installed: 1.1.7 xhtml2pdf Version Installed: 3.0.33 pyopencl Version Installed: 2015.1 unittest-xml-reporting Version Installed: 1.5.0 pylint Installed (Unknown version) matplotlib Version Installed: 1.5.1 bumps Version Installed: 0.7.6 scipy Version Installed: 0.17.0 periodictable Version Installed: 1.4.1 setuptools Version Installed: 20.7.0 h5py Version Installed: 2.6.0 sphinx Version Installed: 1.5.5 pyparsing Version Installed: 1.5.7 numpy Version Installed: 1.11.0 html5lib Version Installed: 0.999 wx Version Installed: 3.0.2.0

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Re: [Sasview-users] Log(I), log(q) fitting or I,q fitting?
by Andrew Jackson 18 Jan '17

18 Jan '17

Also, if you want to view the data as I vs Q, you can right click on the plot and choose “Change Scale” then select x vs y (rather than log(x) vs log(y) Andrew ______________________________________ Andrew Jackson Instrument Scientist - Small Angle Scattering European Spallation Source, P.O Box 176, SE-221 00 Lund, Sweden Adjunct Associate Professor (Adjungerad Lektor) Physical Chemistry, Lund University, P.O. Box 124, SE-221 00, Lund, Sweden Phone: +46 46 888 3015 Mobile: +46 72 179 2015 E-mail: a<mailto:andrew.jackson@...631...>ndrew.jackson@...631... www.esss.se From: "irenal@...634..." <irenal@...634...> Reply-To: Mailing list for users of SasView <sasview-users(a)lists.sourceforge.net> Date: Wednesday 18 January 2017 at 15:08 To: "users@...2..." <users@...2...> Subject: [Sasview-users] Log(I), log(q) fitting or I,q fitting? Hello, I'm a new user of this great program and I would like to ask how the fitting is done: Is it applied to the log-log curve (meaning that the natural logarithm of the intensity and the scattering vector are fitted- log(I), log(q) fitting) or directly on the intensity and the scattering vector (I,q fitting) ? I'm interesting in I,q fitting, and not in log(I), log(q) fitting. Thank you, Irena Levin

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Re: [Sasview-users] Log(I), log(q) fitting or I,q fitting?
by Andrew Jackson 18 Jan '17

18 Jan '17

Hi Fitting is always done as I vs Q, regardless of the plotting display. Best ANdrew ______________________________________ Andrew Jackson Instrument Scientist - Small Angle Scattering European Spallation Source, P.O Box 176, SE-221 00 Lund, Sweden Adjunct Associate Professor (Adjungerad Lektor) Physical Chemistry, Lund University, P.O. Box 124, SE-221 00, Lund, Sweden Phone: +46 46 888 3015 Mobile: +46 72 179 2015 E-mail: a<mailto:andrew.jackson@...631...>ndrew.jackson@...631... www.esss.se From: "irenal@...634..." <irenal@...634...> Reply-To: Mailing list for users of SasView <sasview-users(a)lists.sourceforge.net> Date: Wednesday 18 January 2017 at 15:08 To: "users@...2..." <users@...2...> Subject: [Sasview-users] Log(I), log(q) fitting or I,q fitting? Hello, I'm a new user of this great program and I would like to ask how the fitting is done: Is it applied to the log-log curve (meaning that the natural logarithm of the intensity and the scattering vector are fitted- log(I), log(q) fitting) or directly on the intensity and the scattering vector (I,q fitting) ? I'm interesting in I,q fitting, and not in log(I), log(q) fitting. Thank you, Irena Levin

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