lsst.meas.base._id_generator._IdGeneratorBits Class Reference

Public Member Functions
None	__post_init__ (self)

Public Attributes
	n_data_ids
	counter_bits
	n_counters

Static Public Attributes
DimensionPacker	packer
int	n_releases = dataclasses.field(default=0)
int	n_data_ids = dataclasses.field(init=False)
int	counter_bits = dataclasses.field(init=False)
int	n_counters = dataclasses.field(init=False)

Detailed Description

A private helper struct that manages the allocation of bits between the
packed data ID, the release ID, and a per-catalog counter.

Definition at line 492 of file _id_generator.py.

Member Function Documentation

__post_init__()

None lsst.meas.base._id_generator._IdGeneratorBits.__post_init__

(

self

)

Definition at line 517 of file _id_generator.py.

    def __post_init__(self) -> None:
        self.n_data_ids = 1 << self.packer.maxBits
        upper_bits = (self.n_releases - 1).bit_length() + self.packer.maxBits
        self.counter_bits = IdFactory.computeReservedFromMaxBits(upper_bits)
        self.n_counters = 1 << self.counter_bits

Member Data Documentation

counter_bits [1/2]

int lsst.meas.base._id_generator._IdGeneratorBits.counter_bits = dataclasses.field(init=False)

static

Definition at line 510 of file _id_generator.py.

counter_bits [2/2]

lsst.meas.base._id_generator._IdGeneratorBits.counter_bits

Definition at line 520 of file _id_generator.py.

n_counters [1/2]

int lsst.meas.base._id_generator._IdGeneratorBits.n_counters = dataclasses.field(init=False)

static

Definition at line 513 of file _id_generator.py.

n_counters [2/2]

lsst.meas.base._id_generator._IdGeneratorBits.n_counters

Definition at line 521 of file _id_generator.py.

n_data_ids [1/2]

int lsst.meas.base._id_generator._IdGeneratorBits.n_data_ids = dataclasses.field(init=False)

static

Definition at line 505 of file _id_generator.py.

n_data_ids [2/2]

lsst.meas.base._id_generator._IdGeneratorBits.n_data_ids

Definition at line 518 of file _id_generator.py.

n_releases

int lsst.meas.base._id_generator._IdGeneratorBits.n_releases = dataclasses.field(default=0)

static

Definition at line 502 of file _id_generator.py.

packer

DimensionPacker lsst.meas.base._id_generator._IdGeneratorBits.packer

static

Definition at line 497 of file _id_generator.py.

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The documentation for this class was generated from the following file:

• /j/snowflake/release/lsstsw/stack/lsst-scipipe-8.0.0/Linux64/meas_base/gf18bd8381d+7268b93478/python/lsst/meas/base/_id_generator.py