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 # ParallelSelectionRule

 Last update: 16.07.2026 

<a id="compolyx.ParallelSelectionRule"></a>

### *class* compolyx.ParallelSelectionRule(graph, obj, parent=None)

Parallel selection rule.

### Attributes

NameDescription[`ParallelSelectionRule.active`](compolyx.ParallelSelectionRule.active.md#compolyx.ParallelSelectionRule.active)Active status of the object.[`ParallelSelectionRule.changed`](compolyx.ParallelSelectionRule.changed.md#compolyx.ParallelSelectionRule.changed)Triggers an observable to dispatch a change notification.[`ParallelSelectionRule.direction`](compolyx.ParallelSelectionRule.direction.md#compolyx.ParallelSelectionRule.direction)Direction of the Parallel Selection Rule.[`ParallelSelectionRule.direction_in_global_coordinates`](compolyx.ParallelSelectionRule.direction_in_global_coordinates.md#compolyx.ParallelSelectionRule.direction_in_global_coordinates)Direction of the rule in global coordinates.[`ParallelSelectionRule.enabled`](compolyx.ParallelSelectionRule.enabled.md#compolyx.ParallelSelectionRule.enabled)Indicates whether the object is enabled.[`ParallelSelectionRule.extent`](compolyx.ParallelSelectionRule.extent.md#compolyx.ParallelSelectionRule.extent)Extent of the rule.[`ParallelSelectionRule.id`](compolyx.ParallelSelectionRule.id.md#compolyx.ParallelSelectionRule.id)ID of the object.[`ParallelSelectionRule.include_rule_type`](compolyx.ParallelSelectionRule.include_rule_type.md#compolyx.ParallelSelectionRule.include_rule_type)include type.[`ParallelSelectionRule.is_dict_item`](compolyx.ParallelSelectionRule.is_dict_item.md#compolyx.ParallelSelectionRule.is_dict_item)Indicates whether the object is an item in a dictionary.[`ParallelSelectionRule.is_list_item`](compolyx.ParallelSelectionRule.is_list_item.md#compolyx.ParallelSelectionRule.is_list_item)Indicates whether the object is an item of a list.[`ParallelSelectionRule.link_path`](compolyx.ParallelSelectionRule.link_path.md#compolyx.ParallelSelectionRule.link_path)Root path of the current node in the tree for links to this object.[`ParallelSelectionRule.name`](compolyx.ParallelSelectionRule.name.md#compolyx.ParallelSelectionRule.name)Name of the object.[`ParallelSelectionRule.neg_distance`](compolyx.ParallelSelectionRule.neg_distance.md#compolyx.ParallelSelectionRule.neg_distance)Negative distance.[`ParallelSelectionRule.origin`](compolyx.ParallelSelectionRule.origin.md#compolyx.ParallelSelectionRule.origin)Origin of the Parallel Selection Rule.[`ParallelSelectionRule.origin_in_global_coordinates`](compolyx.ParallelSelectionRule.origin_in_global_coordinates.md#compolyx.ParallelSelectionRule.origin_in_global_coordinates)Origin of the rule in global coordinates.[`ParallelSelectionRule.parent`](compolyx.ParallelSelectionRule.parent.md#compolyx.ParallelSelectionRule.parent)Parent object in the tree.[`ParallelSelectionRule.pos_distance`](compolyx.ParallelSelectionRule.pos_distance.md#compolyx.ParallelSelectionRule.pos_distance)Positive distance.[`ParallelSelectionRule.relative_rule_type`](compolyx.ParallelSelectionRule.relative_rule_type.md#compolyx.ParallelSelectionRule.relative_rule_type)relative type.[`ParallelSelectionRule.root_path`](compolyx.ParallelSelectionRule.root_path.md#compolyx.ParallelSelectionRule.root_path)Root path of the current node in the tree.[`ParallelSelectionRule.rosette`](compolyx.ParallelSelectionRule.rosette.md#compolyx.ParallelSelectionRule.rosette)Rosette of the used for origin and direction.[`ParallelSelectionRule.status`](compolyx.ParallelSelectionRule.status.md#compolyx.ParallelSelectionRule.status)Status of the object.[`ParallelSelectionRule.status_changed`](compolyx.ParallelSelectionRule.status_changed.md#compolyx.ParallelSelectionRule.status_changed)Boolean flag which is set to true in C++ when up-to-date status of object changes.[`ParallelSelectionRule.uid`](compolyx.ParallelSelectionRule.uid.md#compolyx.ParallelSelectionRule.uid)UID of the object.[`ParallelSelectionRule.use_global_coordinate_system`](compolyx.ParallelSelectionRule.use_global_coordinate_system.md#compolyx.ParallelSelectionRule.use_global_coordinate_system)Use global coordinate system for origin and direction.[`ParallelSelectionRule.vertex`](compolyx.ParallelSelectionRule.vertex.md#compolyx.ParallelSelectionRule.vertex)Raises an error if the object has been removed from the graph.### Methods

NameDescription[`ParallelSelectionRule.find_parent`](compolyx.ParallelSelectionRule.find_parent.md#compolyx.ParallelSelectionRule.find_parent)(type)Steps up the tree and returns the first parent with given type.[`ParallelSelectionRule.get_short_description`](compolyx.ParallelSelectionRule.get_short_description.md#compolyx.ParallelSelectionRule.get_short_description)()[`ParallelSelectionRule.obj_exists`](compolyx.ParallelSelectionRule.obj_exists.md#compolyx.ParallelSelectionRule.obj_exists)()Checks if \_\_obj still references the c++ object (has not been reset to None by self.\_delete) and exists in the graph.[`ParallelSelectionRule.serialize`](compolyx.ParallelSelectionRule.serialize.md#compolyx.ParallelSelectionRule.serialize)()Serialize to Python string.[`ParallelSelectionRule.serialize_name_and_id`](compolyx.ParallelSelectionRule.serialize_name_and_id.md#compolyx.ParallelSelectionRule.serialize_name_and_id)()Serializes the name and ID.[`ParallelSelectionRule.serialize_rule_types`](compolyx.ParallelSelectionRule.serialize_rule_types.md#compolyx.ParallelSelectionRule.serialize_rule_types)()[`ParallelSelectionRule.update`](compolyx.ParallelSelectionRule.update.md#compolyx.ParallelSelectionRule.update)()[`ParallelSelectionRule.visit`](compolyx.ParallelSelectionRule.visit.md#compolyx.ParallelSelectionRule.visit)(visitor)Walk through the tree and let the visitor perform action on every descendant node.