File formats:
=============

 Binary files
 ------------
   * .png - images in Portable Network Graphics format.
   * .pcz - pyPCA compressed format.

 Text files
 ----------
   * .pdb - Protein Data Bank files.
   * .vol - NETGEN 4 tetrahedra mesh file.

   FFEA 2.4 input files 
     * .ffea - input script.
     * .top - topology file.
     * .mat - material file.
     * .node - node file.
     * .surf - surface file.
     * .stokes - stokes file.
     * .lj - lennard-jones file.
     * .vdw - van der Waals file.
     * .pin - pin node file.


   FFEA 2.4 output files
     * .ftj - trajectory file.
     * .fm -  measurement file.
     * .fcp - checkpoint file.

FFEA is free software that can be found in: 
  https://bitbucket.org/ffea/ffea
and documentation hosted at:
  https://ffea.readthedocs.io