weldx.CoordinateSystemManager

class weldx.CoordinateSystemManager(root_coordinate_system_name, coordinate_system_manager_name=None, time_ref=None)

Handles hierarchical dependencies between multiple coordinate systems.

Notes

Learn how to use this class by reading the tutorial <tutorials/transformations_02_coordinate_system_manager>.

Construct a coordinate system manager.

Parameters:

• root_coordinate_system_name (str) – Name of the root coordinate system.

• coordinate_system_manager_name (Optional[str]) – Name of the coordinate system manager. If None is passed, a default name is chosen.

• time_ref (Union[Timestamp, str, Time, None]) – A reference timestamp. If it is defined, all time dependent information returned by the CoordinateSystemManager will refer to it by default.

Return type:

CoordinateSystemManager

Methods

add_cs	Add a coordinate system to the coordinate system manager.
assign_data	Assign spatial data to a coordinate system.
create_cs	Create a coordinate system and add it to the coordinate system manager.
create_cs_from_axis_vectors	Create a coordinate system and add it to the CoordinateSystemManager.
create_cs_from_euler	Create a coordinate system and add it to the coordinate system manager.
delete_cs	Delete a coordinate system from the coordinate system manager.
delete_data	Remove the assigned data with given name.
get_child_system_names	Get a list with the passed coordinate systems children.
get_cs	Get a coordinate system in relation to another reference system.
get_data	Get the specified data, optionally transformed into any coordinate system.
get_data_system_name	Get the name of the data's reference coordinate system.
get_parent_system_name	Get the name of a coordinate systems parent system.
has_coordinate_system	Return True if a coordinate system with specified name already exists.
has_data	Return True if the desired coordinate system owns the specified data.
interp_time	Interpolates the coordinate systems in time.
is_neighbor_of	Get a boolean result, specifying if 2 coordinate systems are neighbors.
merge	Merge another coordinate system managers into the current instance.
neighbors	Get a list of neighbors of a certain coordinate system.
number_of_neighbors	Get the number of neighbors of a certain coordinate system.
plot	Plot the coordinate systems of the coordinate system manager.
plot_graph	Plot the graph of the coordinate system manager.
relabel	Rename one or more nodes of the graph.
remove_subsystems	Remove all subsystems from the coordinate system manager.
time_union	Get the time union of all or selected local coordinate systems.
transform_data	Transform spatial data from one coordinate system to another.
unmerge	Undo previous merges and return a list of all previously merged instances.

Attributes

coordinate_system_names	Get the names of all contained coordinate systems.
data_names	Get the names of the attached data sets.
graph	Get the internal graph.
has_reference_time	Return True if the coordinate system manager has a reference time.
lcs	Get a list of all attached LocalCoordinateSystem instances.
lcs_time_dependent	Get a list of all attached time dependent LocalCoordinateSystem instances.
name	Get the name of the coordinate system manager instance.
number_of_coordinate_systems	Get the number of coordinate systems inside the coordinate system manager.
number_of_subsystems	Get the number of attached subsystems.
reference_time	Get the reference time of the CoordinateSystemManager.
root_system_name	Get the name of the root system.
subsystem_info	Get a dictionary containing data about the attached subsystems.
subsystem_names	Get the names of all subsystems.
subsystems	Extract all subsystems from the CoordinateSystemManager.
uses_absolute_times	Return True if the CSM or one of its coord.