Selection type

type Selection
A Selection is used to select a group of atoms. Examples of selections are “name H” and “(x < 45 and name O) or name C”. See the full documentation for more information about the selection language.
function Selection(selection::AbstractString)
Create a Selection from a selection string.
function deepcopy(selection::Selection)
Make a deep copy of a selection.
function size(selection::Selection)
Get the size of a selection, i.e. the number of atoms we are selecting together.
function evaluate(selection::Selection, frame::Frame)
Evaluate a selection on a given frame. This function return a list of indexes or tuples of indexes of atoms in the frame matching the selection.
function selection_string(selection::Selection)
Get the selection string used to create a given selection.