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“within” finds atoms in the first selection within a cutoff distance of atoms in the second selection.


selection within distance of selection


chain A within 5.0 of chain B


By default, this operation is performed over all states. However, when a state number is provided to the select operator, the operation can be restricted to a single state.

If the two selections overlap, “within” will return atoms in both selections which meet the geometric criteria. Note that this behavior is different than that of near_to, which will only return atoms in the first selection that are not present in the second.

See Also


selection/within.txt · Last modified: 2013/08/19 21:01 (external edit)