Install librelion+mpi+gui-dev by entering the following commands in the terminal:
sudo apt update sudo apt install librelion+mpi+gui-dev
C++ API for RELION (3D reconstructions in cryo-electron microscopy)
RELION (for REgularised LIkelihood OptimisatioN) is a stand-alone computer program for Maximum A Posteriori refinement of (multiple) 3D reconstructions or 2D class averages in cryo-electron microscopy. . RELION provides a GUI, several command-line tools in parallel (MPI) and serial versions as well as a C++ API. . This is the developers API package for use with MPI and GUI.