Print a log message. Args: msg (str): The message to be logged. logger (logging.Logger | str | None): The logger to be used.

Input: points: input points data, [B, N, C] idx: sample index data, [B, S, [K]] Return: new_points:, indexed points d

Input: points: input points data, [B, N, C] idx: sample index data, [B, S] Return: new_points:, indexed points data,

Initialize and get a logger by name. If the logger has not been initialized, this method will initialize the logger by adding one or two handl

Get the registry record. Args: key (str): The class name in string format. Returns: class: The corresponding c

Calculate Euclid distance between each two points. src^T * dst = xn * xm + yn * ym + zn * zm； sum(src^2, dim=-1) = xn*xn + yn*yn + zn*zn;

Input: xyz: pointcloud data, [B, N, 3] npoint: number of samples Return: centroids: sampled pointcloud index, [B, npo

data B N 3 number int

data B N 3 number int

Method to separate bits of a 32-bit integer by 3 positions apart, using the magic bits https://www.forceflow.be/2013/10/07/morton-encodin

Method to separate bits of a 32-bit integer by 3 positions apart, using the magic bits https://www.forceflow.be/2013/10/07/morton-encodin

Group keys based on common prefixes. A prefix is the string up to the final "." in each key. Args: keys (list[str]): list of para

Group keys based on common prefixes. A prefix is the string up to the final "." in each key. Args: keys (list[str]): list of para

Format a group of parameter name suffixes into a loggable string. Args: group (list[str]): list of parameter name suffixes. Retur

Format a group of parameter name suffixes into a loggable string. Args: group (list[str]): list of parameter name suffixes. Retur

Input: xyz: pointcloud data, [N, D] npoint: number of samples Return: centroids: sampled pointcloud index, [npoint, D

Input: xyz: pointcloud data, [B, N, 3] npoint: number of samples Return: centroids: sampled pointcloud index, [B, npo

Initialize and get a logger by name. If the logger has not been initialized, this method will initialize the logger by adding one or two handl

Get root logger and add a keyword filter to it. The logger will be initialized if it has not been initialized. By default a StreamHandler will

Input: radius: local region radius nsample: max sample number in local region xyz: all points, [B, N, 3] new_xyz:

Input: radius: local region radius nsample: max sample number in local region xyz: all points, [B, N, 3] new_xyz:

Calculate Euclid distance between each two points. src^T * dst = xn * xm + yn * ym + zn * zm； sum(src^2, dim=-1) = xn*xn + yn*yn + zn*zn;

1-hot encodes a tensor

Add children for a registry. The ``registry`` will be added as children based on its scope. The parent registry could build objects fr

Build a dataset, defined by `dataset_name`. Args: cfg (eDICT): Returns: Dataset: a constructed dataset specified by data

Build a dataset, defined by `dataset_name`. Args: cfg (eDICT): Returns: Dataset: a constructed dataset specified by data

data B N 3 number int

Get a logging-friendly message to report parameter names (keys) that are in the model but not found in a checkpoint. Args: keys (

Get a logging-friendly message to report parameter names (keys) that are in the model but not found in a checkpoint. Args: keys (

Get a logging-friendly message to report parameter names (keys) that are in the checkpoint but not found in the model. Args: keys

Get a logging-friendly message to report parameter names (keys) that are in the checkpoint but not found in the model. Args: keys

Given 3 arrays of corresponding x, y, z coordinates, compute the morton (or z) code for each point and return an index array We compu

Given 3 arrays of corresponding x, y, z coordinates, compute the morton (or z) code for each point and return an index array We compu

Computes the z values for a point array :param data: Nx3 array of x, y, and z location :return: Nx1 array of z values

Computes the z values for a point array :param data: Nx3 array of x, y, and z location :return: Nx1 array of z values

Infer the scope of registry. The name of the package where registry is defined will be returned. Example: # in mmdet/model

pc: NxC, return NxC

pc: NxC, return NxC

pc: NxC, return NxC

Takes a Numpy array of float values between -1 and 1, and rounds them to significant 32-bit integer values, to be used in the morton