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Computing for Science

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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All Software

The LAMP Book

9. Frequently Asked Questions

  • I see no plot!
    You may be plotting black-on-black, see manual entry for colours on Displaying Data page.

  • I get a wrong number value after a normalization.
    This error occurs when you divide by a too small number (or zero). This can occurs also by dividing non-floating spectra.

  • When I press print I only get a PS file.
    The LAMP default printer must be set in Begood, see manual entry for printing on Displaying Data page.

  • LAMP is stuck (no response)
    Certain operations on large arrays can take a long time, such as contour plots and the sqw command, but if you are sure that LAMP has crashed then see Exiting LAMP on Manipulating Workspaces page.

[Queries] mail queries about LAMP or The LAMP Book to lamp@ill.fr

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