16-19 October 2016
Copenhagen University
Europe/Copenhagen timezone

Update on neutron imaging functionality in Mantid

17 Oct 2016, 17:00
1h 30m
Marble Hall (Copenhagen University)

Marble Hall

Copenhagen University

Thorvaldsensvej 40
Board: 11
Poster Posters

Speaker

Dr. Nicholas Draper (Tessella)

Description

Interest in neutron imaging in general and energy resolved neutron imaging in particular has been growing in recent years. Several imaging instruments are currently in different stages of planning, construction, commissioning and operation at pulsed neutron sources around the world, such as IMAT at ISIS (UK), ODIN at ESS (Nordic countries), RADEN at J-PARC (Japan), and VENUS at SNS (USA). IMAT (Imaging and Materials Science & Engineering) is undergoing commissioning in 2016 and provides neutron radiography (2D), neutron tomography (3D), energy resolved (fourth dimension) and energy-dispersive neutron imaging. IMAT offers unique time-of-flight diffraction techniques by capitalising on latest image reconstruction procedures and event mode data collection schemes. These features impose several software requirements for data reduction and analysis that differ substantially from other neutron techniques. The [Mantid software project](http://www.mantidproject.org) provides an extensible framework that supports high-performance computing for data reduction, manipulation, analysis and visualisation of scientific data. It is primarily used for neutron and muon data at several facilities worldwide. Mantid includes several so-called custom interfaces specialized for different scientific areas. We give an update on recent developments in the Mantid software to provide better support for neutron imaging data and to support the commissioning of IMAT at ISIS. This involves new data structures, data processing components or algorithms, and user interfaces to satisfy the higher demands of energy-depending neutron imaging in terms of data volume and complexity of analysis. A custom graphical user interface for imaging data and tomographic reconstruction is available in recent releases of Mantid. It integrates capabilities for pre- and post-processing, reconstruction, and 2D and 3D visualisation. This functionality can be used for instruments specifically designed for imaging experiments as well as other instruments using imaging detectors. Diverse tools for tomographic data reconstruction and analysis are being developed by different research groups and synchrotron and pulsed-source facilities. The imaging graphical interface of Mantid offers a common, harmonised interface to use an array of tools and methods that are currently being trialed, including for example third party tools for tomographic reconstruction such as [TomoPy](https://github.com/tomopy/tomopy), the [Astra Toolbox](https://github.com/astra-toolbox/astra-toolbox), [Savu](https://github.com/DiamondLightSource/Savu/), and [MuhRec](https://www.psi.ch/niag/muhrec).

Primary author

Dr. Federico Montesino Pouzols (ISIS Facility, Science & Technology Facilities Council)

Co-authors

Mr. Brian Ritchie (Scientific Computing Department, STFC Science & Technology Facilities Council) Mr. Christopher Moteton-Smith (ISIS Facility, STFC Science & Technology Facilities Council) Mr. Derek Ross (Scientific Computing Department, STFC Science & Technology Facilities Council) Dr. Erica Yang (Scientific Computing Department, STFC Science & Technology Facilities Council) Dr. Genoveva Burca (ISIS) Dr. Kenichi Watanabe (ISIS Facility, STFC Science & Technology Facilities Council) Dr. Minniti Triestino (ISIS Facility, STFC Science & Technology Facilities Council) Dr. Nicholas Draper (Tessella) Mr. Srikanth Nagella (Scientific Computing Department, STFC Science & Technology Facilities Council) Dr. Winfried Kockelmann (ISIS Facility, STFC Science & Technology Facilities Council)

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