shrink_traj: Make trajectory files smaller

When we perform molecular dynamics (MD) simulations, sometimes we want to store a frame every time step, Handbags in order to increase the quality of the statistics (i.e. when calculating radial cheap nba jerseys distribution functions). But on the other hand, due to their big size, these Here trajectories might cheap jerseys be very resend: difficult progressing to handle by visualization programs (VMD, jmol, …), because they 2016 usually load the hole file into memory, and storing every frame (or each few frames) in a long MD with a lot of atoms can produce a trajectory file of several MB or even GB.

The solution: shrinking the big trajectory into a smaller one with my “shrink_traj” script.
This script cheap nba jerseys takes a trajectory wholesale nba jerseys file (in xyz format) and copies each nth frame to another file, resulting on a smaller and easier to handle file specially suitable for visualization.

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