Irena, Nika, and Indra SAXS Igor code by Jan Ilavsky for Igor Pro 8.04 and higher. Irena is package for SAXS and SANS data analysis. Nika is package for 2D -> 1D data reduction for SAXS and WAXS (powder diffraction). Indra is package for USAXS (specifically Bonse-Hart APS and some desktop devices) data reduction.
The current stable release version is July 2023. This version is for Igor Pro 8.04 and 9.0-9.02, fixes bug introduced by WM in 9.02
This code can be installed using Igor installer from https://github.com/jilavsky/SAXS_IgorInstaller/tree/master/Igor_GitHub If you want to install one or more packages from here, download the latest version of "GHInstaller_IrenaNika_vxxx.pxp" and use that to install. Direct link to the latest version of installer is : https://github.com/jilavsky/SAXS_IgorInstaller/blob/master/Igor_GitHub/GHInstaller_IrenaNika_v1.16.pxp?raw=true
Igor 7 or before see: https://github.com/jilavsky/SAXS_IgorCode/wiki/Installation-Problems
Web based manuals pages http://saxs-igorcodedocs.readthedocs.io/
For more information on releases of distributions, please visit:
https://usaxs.xray.aps.anl.gov/software/irena
https://usaxs.xray.aps.anl.gov/software/indra
https://usaxs.xray.aps.anl.gov/software/nika
and for instructions how to use them :
https://www.youtube.com/channel/UCDTzjGr3mAbRi3O4DJG7xHA
The latest code here ("Master") is routinely updated with working beta versions as they are available. If you want to try out this latest versions (possibly with some bugs though), install the "master" version. It is listed in the installer when you select "Include beta versions". You can always reinstall prior releases, if necessary... If you find bug - in release or beta version - please, let me know!
Catalina and higher macOS versions: Note, that Igor Pro has issues running old xop packages on macOS Catalina and higher macOS versions. If you need to use Catalina and higher macOS versions, here are some helpful links. General Wavemetrics statement: https://www.wavemetrics.com/news/igor-pro-macos-1015-catalina, and how to get xops loading: https://www.wavemetrics.com/node/21088