| 
    LOOS 4.1.0
    
   The Lightweight Object Oriented Structural analysis library/toolkit 
   | 
 
Variables | |
| str | header = " ".join(sys.argv) | 
| model_filename = sys.argv[1] | |
| trajectory_filename = sys.argv[2] | |
| selection_string = sys.argv[3] | |
| output_trajectory_name = sys.argv[4] | |
| model = loos.createSystem(model_filename) | |
| subset = loos.selectAtoms(model, selection_string) | |
| traj = loos.pyloos.Trajectory(trajectory_filename, model) | |
| outtraj = loos.XTCWriter(output_trajectory_name) | |
| bool | first_frame = True | 
| frame_copy = subset.copy() | |
| pdb = loos.PDB.fromAtomicGroup(frame_copy) | |
simple_traj_transform.py : simple skeleton of a program that reads in a
    a structure and trajectory, selects a subset, does something, and
    writes out a new trajectory
Alan Grossfield
University of Rochester Medical Center