pyfai software package provides python library for Fast Azimuthal Integration, you can install in your Ubuntu 14.04 LTS (Trusty Tahr) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install pyfai
pyfai is installed in your system.
Make ensure the pyfai package were installed using the commands given below,
$ sudo dpkg-query -l | grep pyfai *
You will get with pyfai package name, version, architecture and description in a table
| Distro | Ubuntu 14 04 lts trusty tahr |
| Section | Science |
| Package | pyfai |
| Version | 0.3.5-1 |
| Description | python library for Fast Azimuthal Integration |
| Sub Section | Science |