filter_monoatomic_ions

biotite.structure.filter_monoatomic_ions(array: AtomArray[N] | AtomArrayStack[M, N]) → ndarray[tuple[N], dtype[bool]]

Filter all atoms of an atom array, that are monoatomic ions (e.g. sodium or chloride ions).

Parameters:

arrayAtomArray or AtomArrayStack

The array to be filtered.

Returns:

filterndarray, dtype=bool

This array is True for all indices in array, where the atom is a monoatomic ion.