get_all_chain_positions#

biotite.structure.get_all_chain_positions(array)[source]#

For each atom, obtain the position of the chain corresponding to this atom in the input array.

For example, the position of the first chain in the atom array is 0, the the position of the second chain is 1, etc.

Parameters:
arrayAtomArray or AtomArrayStack

The atom array (stack) to determine the chains from.

Returns:
chain_indicesndarray, dtype=int, shape=(k,)

The indices that point to the position of the chains.

See also

get_chain_positions

Similar to this function, but for a given subset of atom indices.