ytree.tree_farm.halo_selector.sphere_selector(hc, ds2, radius_field, factor=1, min_radius=None)

Select halos within a sphere around the target halo.

hc : halo container object
Halo container associated with the target halo.
ds2 : halo catalog-type dataset
The dataset of the ancestor halos.
radius_field : str
Name of the field to be used to get the halo radius.
factor : float, optional
Multiplicative factor of the halo radius in which potential halos will be gathered. Default: 1.
min_radius : YTQuantity or tuple of (value, unit)
An absolute minimum radius for the sphere.
my_ids : list of ints
List of ids of potential halos.