10. Weight Window Format¶
The current revision of the weight window file format is 1.0.
filetype (char) – String indicating the type of file.
version (int) – Major and minor version of the weight window file format.
n_weight_windows (int) – Number of weight window objects in the file.
ids (int) – Unique IDs of weight window objects in the file.
mesh (int) – ID of the mesh associated with the weight window object.
particle_type (char) – Particle type to which the weight windows apply.
energy_bounds (double) – Energy bounds of the weight windows in [eV]
lower_ww_bounds (double) – Weight window lower bounds.
upper_ww_bounds (double) – Weight window upper bounds.
survival_ratio (double) – Weight window survival ratio.
max_lower_bound_ratio (double) – Maximum particle weight to lower weight window bound ratio.
max_split (int) – Maximum number of splits per weight window check.
weight_cutoff (double) – Particle weight cutoff.
n_meshes (int) – Number of meshes in the file.
ids (int) – User-defined unique ID of each mesh.
Please see the section on /tallies/meshes/ in the State Point File Format.