CSVROSDataRow Class

class rosdata.utils.datareader.CSVROSDataRow(data: list, fields: list)

A helper class to store a single row of data contained within a CSV file created by ROSData tools.

__init__(data: list, fields: list) → None

Initialises a CSVROSDataRow object where the class attributes will those contained within the fields argument. For the pose data functions to be accesible the fields argument must contain the strings [‘pos_x’, ‘pos_y’, ‘pos_z’, ‘quat_w’, ‘quat_x’, ‘quat_y’, ‘quat_z’]. Numeric data will be stored as floats, all other data will be stored as strings except for the string ‘none’ which will be stored as None.

Parameters

• data (list) – the values for the provided fields

• fields (list) – the names for each field provided within the data

Raises

ValueError – if the length of the fields and data arguments are not equal.

get_pose() → spatialmath.pose3d.SE3

Will retrieve the pose as a Spatial Maths SE3 object. The pose data must be stored under the headers [‘pos_x’, ‘pos_y’, ‘pos_z’, ‘quat_w’, ‘quat_x’, ‘quat_y’, ‘quat_z’].

Returns

the pose data as a SE object or None if the pose data does not exist.

Return type

sm.SE3

get_pose_data() → list

Gets the pose data as individual float values. The pose data must be stored under the headers [‘pos_x’, ‘pos_y’, ‘pos_z’, ‘quat_w’, ‘quat_x’, ‘quat_y’, ‘quat_z’].

Returns

the pose data as a list of floats. Order will be [‘pos_x’, ‘pos_y’, ‘pos_z’, ‘quat_w’, ‘quat_x’, ‘quat_y’, ‘quat_z’].

Return type

list