Welcome to theiaonline, website of the Theia Project

theia is a 3D Gaussian optics simlation software, developed by the Optics Group of the European Gravitational Interferometer.

On theiaonline, you’ll find news of the gravitational waves community, the theia program, its documentation, releases, lots of tutorials and more! Keep in touch with the Theia Project, comment and contribute to the physics of gravitational interferometers, here online!

Quick Start

For a quick jump into theia, follow these steps:

  1. Make sure you have all you need to compile and use theia:
    • Python > 2.7: check the output of python -V
    • A pdflatex environment: check pdflatex --version
    • The FreeCAD libraries: install using your package manager (apt for Debian/Ubuntu, yum for SL/RHEL, dnf for Fedora, etc.) or download and compile the sources
  2. Download and compile theia:
    • Get the latest stable version (currently v0.1.3) from the Getting theia page
    • Decompress the archive and run make install to install theia (or just make build-theia if you don’t have a pdflatex environment or don’t want the documentation)
  3. This installs theia in ~/.local/bin, make sure this is in your $PATH
  4. Go to the Tutorials page to start learning theia. You’ll find the tutorial files in the tutos/ directory of the project.
  5. For more advanced usage, go to the Documentation page and read the User Guide. Print out the Quick Reference to have a handy reference to the configuration input format for theia.

Questions, comments, suggestions? Write to us at the address at the bottom of the page.

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