ytree.tree_farm.tree_farm.TreeFarm.set_ancestry_filter¶
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TreeFarm.
set_ancestry_filter
(ancestry_filter, *args, **kwargs)¶ Select a method for determining which ancestors are kept. The kept ancestors will have their ancestries tracked. This can be used to speed up merger-trees for targeted halos by specifying that only the most massive ancestor be kept.
- ancestry_filter : string
- Name of filter method.