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The Computing for Science (CS) group supports ILL scientists, students and visitors in a number of activities including data analysis, instrument simulation and sample simulation.

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Alain Filhol


Everything started in 1992 when Jean Charvolin (ILL director) and Jean Pannetier (physicist) asked me to prepare something for the first " La Science en Fête" in Grenoble (a science festival for the general public). The delay (less than 2 months) was too short to build a set of demo experiments, thus I decided to prepare something on a computer. At that time multimedia tools were scarce (Director 1988, PowerPoint 1990, Quicktime 1991, Flash 2005) and none of them were able to produce an interactive presentation with calculations behind.
Since then I have often been involved in the development of multimedia presentations of many aspects of ILL's life and facilities.


In less than two months Jean Polge de Combret, Yves Baulac, Albert Wright and myself we developed an early multimedia presentation of ILL activities mixing animations and interactive simulations written in C or Pascal languages and driven by Hypercard.

Ref.: "ILL Interactive Video", A.Filhol (1993) ILL, SCCT AF 93/038.

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For the TEC 92 show in Grenoble I prepared 12 pamphlets intended for the general public [in French (1992) and in English (1994)].
This and the multimedia presentation (1992) were igniters of the CD-rom "Exploring matter with neutrons " (2004-2005).

L'hydrogène dans les métaux
Hydrogen in metals
Fluides complexes : l'apport des neutrons
How neutrons help to understand complex fluids
Hélium liquide et neutrons
Liquid helium and neutrons
Les quasicristaux.
Des matériaux nouveaux de structure atomique
new material with a surprising atomic structure
Structure d'une lipoproteine
ou la complémentarité des rayons X et des neutrons
The structure of a lipoprotein
or the complementarity of neutrons and X-rays
Défauts dans les cristaux.
Ordre dans les polymères et les liquides
Defects in crystals.
Order in polymers and liquids
Réfléchir et polariser les neutrons :
Miroirs et Supermiroirs
Reflecting and polarising neutrons:
Mirrors and Supermirrors
Supraconducteurs et neutrons à Grenoble
Superconductors and neutrons at Grenoble
A l'intérieur du ribosome grâce aux neutrons
Inside the ribosome with the aid of neutrons
La prise du ciment vue par les neutrons
How neutrons see the setting of cement
Reptiles moléculaires et neutrons
Molecular reptiles and neutrons
La Bouteille à Neutrons
The neutron bottle

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CD-rom "VIDEO_ILL_Interactive" an improved version of the multimedia presentation of ILL activities (1992).

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Why can't alkaline batteries be recharged ? (1995) (mpeg4 file 4.6 Mb)

This video shows the neutron work of J.Pannetier and Y. Chabre on batteries. It was recorder in January 1995 by M6, the French TV company. 

I prepared the animated display of diffraction results (see below) using a Mac OS application written especially for it

CD-rom "ILL/ESRF Multimedia"

An attempt to regroup the multimedia productions from ILL and ESRF so far.

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A model of the ILL was built by T. Heidemann and the model maker D. Laboisse. I developped the computer part  together with Guy Diard (driver), François Descure (Director interface), Olivier Habert (1997), Johann Coraux (1998), David Masden (2000), Lucy Helme (2001), Nicolas Gibaud (2002). The software was soon made standalone and distributed in the form of a CD-rom "ILL Interactive Yellow Book" (v1 1999, v2 2001). It has been ported to Windows XP and Mac OS X in 2007 (zip file 347 Mb).


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CD-rom “Neutron and Matter”, a project with IMedia Software Services Inc. (formely “InterMedia Software”)
- started on March 98, v1 released in Oct 2004, v2 released in Nov 2005

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CD-rom “ILL Interactive Yellow Book, v1”, 600 copies distributed. This is a standalone version of the sofware of the ILL's model.


ILL Interactive Yellowbook, v2 ”. The standalone version of the software of the ILL's model with an updated contents.

Version for Mac OS X/Windows XP/VISTA: this is a port (Sept 07) of the original Director application (Mac OS 9/Windows 98) but the contents is still of 2002.

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Interactive virtual visit of the ILL (QuickTime VR) by A.Filhol and Briq.
Published 1st in the ILL annual report 2003. A web version with many improvements was developped in 2007.

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CD-ROM "Exploring matter with neutrons" (version 1) 2nd tome of the NANOPOLIS™ encyclopedia series.
A.Filhol (main author), edited by iMediasoft® group.

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CD-ROM "Exploring matter with neutrons" (version 2), 2nd tome of the NANOPOLIS™ encyclopedia series.

A.Filhol (main author), edited by the iMediasoft® group.
- ICNS 2005, 27th Nov. to 2nd Dec. 2005, Sydney Australia. Talk: "A CD-ROM to promote neutron science"

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Neutrons et fossiles.”, A.Filhol, Muséum d’Histoire Naturelle, Paris, 6 Fev 2006.
Neutron techniques for the industry”, A. Filhol, A. van Overberghe, T. Pirling, B. Ouladdiaf, 26 April 2006, for Thyssen-Krupp.
Neutron imaging techniques”, A.Filhol, November 14, “ILL : Student lectures”.
Des techniques neutroniques pour la police scientifique ?”, A.Filhol, Institut National de Police Scientifique at Lyon, Dec 6.

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Interactive visit of the ILL, v2

by A. Filhol, Briq and Ecliptique.

The small low resolution cylindrical panoramas of 2003 have been replaced by gorgeous high resolution spherical panoramas.

Movies of some instruments and experiments at the ILL, by A. Filhol.

Spherical panoramic views of the ILL, by A. Filhol and Ecliptique.
ILL key dates, by A. Filhol.
ILL presentation for the "Fête de la science" (Grenoble), by M. Johnson & A. Filhol. (Mostly in French, zip file 76Mb).

ILL model : old software port to Windows XP/Vista and Mac OS X (zip file 347 Mb)

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A gallery of short movies from 1995 to today about experiments and instruments at the ILL.

Such movies are recorded when instrument responsibles ask me to shoot a specific experiment or a new instrument. Some movies cannot be made public and are available directly from myself and/or from the intranet.

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Modernization of the ILL scale model: both the hardware and the software were modernized.
The 500 pages in the model database can be browsed through the web.

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Interactive 3D animations designed in collaboration with IPTER:

40th anniversary of the 1st divergence of ILL's high flux reactor:

A 14' movie (intranet only) on the reactor divergence on 29 Aug. 2011, i.e. about 40 years after the first divergence on 31 August 1971. This movie puts the focus on the work of the reactor staff and shows what have changed or remained the same.

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Neutrons4Science for tablets and smartphones (iOS or Android)

This application developped with Ipter makes it possible to :
- perform a virtual TAS experiment on the future three axis spectrometer, ThALES
- observe the main magnetic orders in crystals and see what a magnon is
- discover the gravitational spectrometer GRANIT based on neutron quantum states in a gravitational field.

App Store/iTunes
            <>  in English
            <>   en Français
Google Play
Web version

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2012 (projects)

  • Neutron encyclopedia on the web.

    • This would be a modernized and improved version of the CD-ROM "Exploring matter with neutrons" (2005).

  • Virtual visit of the ILL

    • Updated version e.g. showing new instruments (extension of the neutron guide hall ILL7).

  • ILL scale model

    • Switch from SPIP to Typo3 to conform the requirements of the IT of the ILL.

  • 3D printing

    • 3D plot of IN5 spectra

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