ytree.tree_farm.tree_farm.TreeFarm.set_ancestry_checker¶
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TreeFarm.
set_ancestry_checker
(ancestry_checker, *args, **kwargs)[source]¶ Set the method for determing if a halo is the ancestor of another halo.
The default method defines an ancestor as a halo where at least 50% of its particles are found in the descendent.
Parameters: ancestry_checker (string) – Name of checking method.