cholla_utils.load_field

cholla_utils.load_field(snap, /, field, *, idx=None)

Loads in 1 or more fields for a snapshot

Parameters:

• snap – Path to the snapshot

• field – The name of a single field to load or a sequence of field names

• idx – Optionally specifies a tuple of 3 slice instances that specify the subset of indices to load from disk. The easiest way to specify this is by using numpy.s_[…]

Returns:

A single array of field data, or a dictionary of field data (depending on whether the field is a single string or a sequence).

Return type:

np.ndarray or dict[str, np.ndarray]