May 2020 - users - SasView Mailing Lists

Re: [SasView Users] SasView-5.0.2 and 4.2.2 Own Model on MaxOS
by Stephen King - UKRI STFC via users 28 May '20

28 May '20

Thanks. We'll take a look. From: Sebastian Lages <lages(a)chalmers.se> Sent: 28 May 2020 14:01 To: King, Stephen (STFC,RAL,ISIS) <stephen.king(a)stfc.ac.uk>; users(a)sasview.org Cc: Beatrice Swensson <beatrice.swensson(a)chalmers.se> Subject: Re: SasView-5.0.2 and 4.2.2 Own Model on MaxOS Dear Stephen, this is a quick reply! Thanks a lot! I feel obliged to return the favour of a quick answer and here it is. Please find the source code attached in a zip-file. Best regards from Sweden, Sebastian Materials Physics Department of Physics Chalmers University of Technology SE-412 96 Göteborg Sweden Homepage Liebi Group<https://www.chalmers.se/en/departments/physics/research/cmp/research/Liebi_…> ________________________________ From: Stephen King - UKRI STFC <stephen.king(a)stfc.ac.uk<mailto:stephen.king@stfc.ac.uk>> Sent: Thursday, May 28, 2020 2:56:03 PM To: Sebastian Lages; users(a)sasview.org<mailto:users@sasview.org> Cc: Beatrice Swensson Subject: RE: SasView-5.0.2 and 4.2.2 Own Model on MaxOS Dear Sebastian, Beatrice, Thank you for contacting us. Please could you resend the two attachments in a zip file. Mail clients are blocking plain source code attachments these days for security reasons. Thank you. Kind regards, Steve King On behalf of the Developers From: Sebastian Lages <lages(a)chalmers.se<mailto:lages@chalmers.se>> Sent: 28 May 2020 13:37 To: users(a)sasview.org<mailto:users@sasview.org> Cc: Beatrice Swensson <beatrice.swensson(a)chalmers.se<mailto:beatrice.swensson@chalmers.se>> Subject: SasView-5.0.2 and 4.2.2 Own Model on MaxOS Dear SasViewers, we wrote our own model, see attached files. It's based on in-build models and runs perfectly fine on my LinuxMint 18. The files live in "/home/sebastian/SasView/sasmodels/models/". Just like it said in the description for writing own models. However, on MacOS we cannot make it work. Not with SasView-4.2.2, not with SasView-5.0.2. Every time we choose the model from the FitPage's drop down menu, we get an error message. And there's more. The model "flexible_cylinder" stopped working as well. It stopped completely. Interestingly with the same error message we got for our own model. Only a fresh installation of SasView is able to correct this behaviour, restarting the software is not enough. How can we correct this? Best regards, Sebastian Materials Physics Department of Physics Chalmers University of Technology SE-412 96 Göteborg Sweden Homepage Liebi Group<https://www.chalmers.se/en/departments/physics/research/cmp/research/Liebi_…> This email and any attachments are intended solely for the use of the named recipients. If you are not the intended recipient you must not use, disclose, copy or distribute this email or any of its attachments and should notify the sender immediately and delete this email from your system. UK Research and Innovation (UKRI) has taken every reasonable precaution to minimise risk of this email or any attachments containing viruses or malware but the recipient should carry out its own virus and malware checks before opening the attachments. UKRI does not accept any liability for any losses or damages which the recipient may sustain due to presence of any viruses. Opinions, conclusions or other information in this message and attachments that are not related directly to UKRI business are solely those of the author and do not represent the views of UKRI.

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Re: [SasView Users] SasView-5.0.2 and 4.2.2 Own Model on MaxOS
by Stephen King - UKRI STFC via users 28 May '20

28 May '20

Dear Sebastian, Beatrice, Thank you for contacting us. Please could you resend the two attachments in a zip file. Mail clients are blocking plain source code attachments these days for security reasons. Thank you. Kind regards, Steve King On behalf of the Developers From: Sebastian Lages <lages(a)chalmers.se> Sent: 28 May 2020 13:37 To: users(a)sasview.org Cc: Beatrice Swensson <beatrice.swensson(a)chalmers.se> Subject: SasView-5.0.2 and 4.2.2 Own Model on MaxOS Dear SasViewers, we wrote our own model, see attached files. It's based on in-build models and runs perfectly fine on my LinuxMint 18. The files live in "/home/sebastian/SasView/sasmodels/models/". Just like it said in the description for writing own models. However, on MacOS we cannot make it work. Not with SasView-4.2.2, not with SasView-5.0.2. Every time we choose the model from the FitPage's drop down menu, we get an error message. And there's more. The model "flexible_cylinder" stopped working as well. It stopped completely. Interestingly with the same error message we got for our own model. Only a fresh installation of SasView is able to correct this behaviour, restarting the software is not enough. How can we correct this? Best regards, Sebastian Materials Physics Department of Physics Chalmers University of Technology SE-412 96 Göteborg Sweden Homepage Liebi Group<https://www.chalmers.se/en/departments/physics/research/cmp/research/Liebi_…> This email and any attachments are intended solely for the use of the named recipients. If you are not the intended recipient you must not use, disclose, copy or distribute this email or any of its attachments and should notify the sender immediately and delete this email from your system. UK Research and Innovation (UKRI) has taken every reasonable precaution to minimise risk of this email or any attachments containing viruses or malware but the recipient should carry out its own virus and malware checks before opening the attachments. UKRI does not accept any liability for any losses or damages which the recipient may sustain due to presence of any viruses. Opinions, conclusions or other information in this message and attachments that are not related directly to UKRI business are solely those of the author and do not represent the views of UKRI.

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Treatment of Self-Assembled Structures
by Grayson Johnson via users 08 May '20

08 May '20

Dear Users Forum, I’m new to the process of fitting SAXS data, and I am looking for guidance on what assumptions to make for my models. I have a set of small, probably spherical particles that assemble into micron length rectangular prism shaped structures. I have a known crystal structure from TEM images. Is it better to model the SAXS profile as a parallelepiped (and presumably miss out on the structure factor information that is present) or as spheres? If I do as spheres, is there a good way to use the crystal structure information to help the model along? When I perform a fit with spheres, I don’t seem to get the really low q behavior that I get with the parallelepiped. When I fit with the parallelepiped, the fit takes upwards of 30 minutes, and I haven’t quite been able to dial in on the parameters. The assemblies have a lot of variation in length, but not too much in width and height. Thanks for any help that you can provide, Grayson Johnson

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