pynbody.halo.details.number_mapping.SimpleHaloNumberMapper

class pynbody.halo.details.number_mapping.SimpleHaloNumberMapper(zero_offset, num_halos)

Bases: HaloNumberMapper

Attributes:

all_numbers

Methods

index_to_number(halo_index)	Convert a zero-based offset to a halo number
number_to_index(halo_number)	Convert a halo number to a zero-based index

__init__(zero_offset, num_halos)

A HaloNumberMapper where the relationship between halo numbers and indices is simply an offset

index_to_number(halo_index: int | ndarray[tuple[Any, ...], dtype[int]]) → int | ndarray[tuple[Any, ...], dtype[int]]

Convert a zero-based offset to a halo number

number_to_index(halo_number: int | ndarray[tuple[Any, ...], dtype[int]]) → int | ndarray[tuple[Any, ...], dtype[int]]

Convert a halo number to a zero-based index