Frida

Frida (“Fast reliable interactive data analysis”) is a versatile data analysis program with special routines for inelastic neutron scattering. It is actively maintained by Joachim Wuttke.

18feb2013: Release 2.1.7b, with support for Voigt profiles.
25oct2012: Release 2.1.6a: From now on, we require the new language standard C++11 (or C++0x).
25oct2012: Release 2.1.5a: This is the last release in C++90/98/03.
2may2012: New project website http://apps.jcns.fz-juelich.de/frida, hosted by the Scientific Computing Group at FRM II.
For older revisions, see the change log

• Introduction
• Installation
  • frida.ini (the configure file)
• Tutorial
  • Session 1: Command-line basics, load file, inspect, plot
  • Session 2: Select, Bin, reorganize data.
  • Session 3: Fit.
  • Session 4: Convolute theory with experimental resolution.
• Online manual
  • Data model
  • Commands
  • Overwrite or Duplicate
  • Expressions
  • Built-in functions
  • Curves
  • External curves
• Implementation notes (for developers)
  • Design principles
  • technologies and libraries used
  • coding conventions
• Old Versions
  • historic data formats
  • frida1

Download location:

• http://apps.jcns.fz-juelich.de/src/frida/

Development tree:

• http://apps.jcns.fz-juelich.de/redmine/projects/frida/repository
• git://apps.jcns.fz-juelich.de/frida.git/
• git://apps.jcns.fz-juelich.de/jwu-varia.git/ (bundled libraries)

Code browser:

• http://apps.jcns.fz-juelich.de/doxy/frida/index.html
• http://apps.jcns.fz-juelich.de/doxy/frida-libs/trivia/index.html
• http://apps.jcns.fz-juelich.de/doxy/frida-libs/read-plus/index.html

Please send bug reports to Joachim. The git development snapshot contains a bug list (~/TODO).

The first JCNS School on Data Analysis for Quasielastic Neutron Scattering with FRIDA took place on 28-29 April 2010. The next school will be organized as soon as a sufficient number of potential participants have indicated their interest.