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Welcome to canSAS IX

Welcome to canSAS IX. Getting started: Brief history of canSAS Current status of activities Purpose and Goals ng/workshop” Role of canSAS workshops Meeting orientation Today’s orientation and preview. canSAS - a brief history.

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Welcome to canSAS IX

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  1. Welcome to canSAS IX • Getting started: • Brief history of canSAS • Current status of activities • Purpose and Goals ng/workshop” • Role of canSAS workshops • Meeting orientation • Today’s orientation and preview

  2. canSAS - a brief history canSAS: Collective Action(Aid) for Nomadic Small Angle Scatterers • Grenoble Feb. 1998 – Looking for seamless interchange of reduced data. • Brookhaven at SAS 99 - Useful discussion but venue not conducive to get work done • Grenoble May 2001 – “Aid”  “Action”. Importance of other issues discussed. • RAL May 2004 – Significantly expand beyond format and software. • NIST Oct 2007 – Working Groups created to achieve “action” • Oxford - SAS 2009 – Afternoon session presentations and discussion • Uppsala July 2012 – Small working meeting – significant progress on “action” part. • (Discussion at lunch of SAS 2012 in Sydney) • Tokai April 2015 – GISAS, NXcanSAS and agree to try for regular 3 year meetings • (Discussion at lunch at SAS 2015 in Berlin) • Berkeley, June 5-7, 2017.

  3. 2001 1998 2004 2012 2007 2015

  4. canSAS: current status of activities • Information, education and outreach • Web page at www.cansas.org • Community wiki at www.cansas.org/wgwiki/index.php/canSAS • SAS Portal at www.smallangle.org • Reproducibility and Reliability • Round Robin work • Glassy Carbon is now available as an SRM • Data formats work • 1D format approved May 2009 (1.0) and 2013 (1.1) • nD ratified by NeXus Inter. Adv. Comm. End of 2016 • IGOR working group resolved conflicts and was sunseted Apr 2015 • New GISAS working group created Apr 2015 - new direction

  5. canSAS: Purpose and Goals • A self assembled (grass roots) group of SAS practitioners, users and facility people, who come together to: • Share and learn about emerging opportunities and new developments in the field and challenges that they pose. • Build new collaborations • Work co-operatively to improve the field for all by: • Helping to develop and disseminate best practices • Identifying emerging & problem areas and the needs associated with them • Improving the state of the art by identifying and providing solutions to the challenges • Fostering/Encouraging/Building common “tools” and “language” for SAS practitioners.

  6. Role of canSAS workshops You can learn a lot more from failure than success Strong overlap with SAS meetings but fulfils different role • Presentations – looking beyond the “typical data set” from the “world’s best” instrument. • New directions and opportunities • But also -- challenges • Workshops aim to maximize interactions between participants with informal and in-depth discussions • Workshops provide an opportunity to find some realistic practical solutions that can be worked on NOW.

  7. canSAS IX : Meeting Orientation Four topics Each has block in the schedule. • Starts with series of talks highlighting cutting edge activities and current challenges. • Followed by 1.5 h to 2 h breakout discussion groups (~10/group) • Finish with 30 min plenary: summary and outcomes Two topics today Monday • Reproducibility and Reliability • Information, Education and outreach

  8. canSAS IX : Meeting Orientation and Goals Monday Plan • Each topic has 3 20 min talks followed by 1.5 h breakout discussion • End of day 2 back to back plenary summary and outcomes Breakouts • Need lead and/or rapporteur to lead/moderate discussion • Report to plenary ~ 3 “bullet point” style Highlights of discussion • USE WIKI to create live notes if possible. Goals • Identify current challenges and problem areas. • Possibly identify concrete actions to address some problems.

  9. canSAS IX : Reproducibility and Reliability A Definition:To what extent can I be sure that the set of material property parameters extracted from my measurement represent the real parameters of my system? At the level that I need to know? Some discussion starting points • How do analyzed results (final parameters extracted) from different techniques, including emerging techniques, compare? • Sources of uncertainties and resolution: how to identify and handle? • How to properly propagate and report uncertainties in co-refined data sets or in refinement constrained by results from other techniques? • Can we/should we develop new reference samples? How? • Aggregating/curating important information (e.g. instr. params. from SAS tools and scattering patterns from common standards)? How? • Best practices for handling of coherent/incoherent and inelastic scattering? • OTHER?....

  10. canSAS IX : Information/Education/Outreach Some discussion starting points • What is lacking – what is feasible? • Development and maintain sas portal? How? What priorities? • Aggregating existing instructional materials? How? • Creating new instructional media? What and how? • Generating scientific case studies? How? • NXcanSAS standard – How to disseminate? What is next? • OTHER? ….

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