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 # LookUpTable1D

 Last update: 16.07.2026 

<a id="compolyx.LookUpTable1D"></a>

### *class* compolyx.LookUpTable1D(obj, parent=None)

A LookUpTable to associate arbitrary data to a one-dimensional field of Locations.

### Attributes

NameDescription[`LookUpTable1D.active`](compolyx.LookUpTable1D.active.md#compolyx.LookUpTable1D.active)LookUpTable active.[`LookUpTable1D.column_types`](compolyx.LookUpTable1D.column_types.md#compolyx.LookUpTable1D.column_types)a list of column types ('scalar', or 'direction').[`LookUpTable1D.columns`](compolyx.LookUpTable1D.columns.md#compolyx.LookUpTable1D.columns)Dictionary with all columns.[`LookUpTable1D.dimensions`](compolyx.LookUpTable1D.dimensions.md#compolyx.LookUpTable1D.dimensions)[`LookUpTable1D.direction`](compolyx.LookUpTable1D.direction.md#compolyx.LookUpTable1D.direction)The Direction of the Look Up Table.[`LookUpTable1D.empty`](compolyx.LookUpTable1D.empty.md#compolyx.LookUpTable1D.empty)True if table is empty.[`LookUpTable1D.enabled`](compolyx.LookUpTable1D.enabled.md#compolyx.LookUpTable1D.enabled)Indicates whether the object is enabled.[`LookUpTable1D.id`](compolyx.LookUpTable1D.id.md#compolyx.LookUpTable1D.id)ID of the object.[`LookUpTable1D.is_dict_item`](compolyx.LookUpTable1D.is_dict_item.md#compolyx.LookUpTable1D.is_dict_item)Indicates whether the object is an item in a dictionary.[`LookUpTable1D.is_list_item`](compolyx.LookUpTable1D.is_list_item.md#compolyx.LookUpTable1D.is_list_item)Indicates whether the object is an item of a list.[`LookUpTable1D.link_path`](compolyx.LookUpTable1D.link_path.md#compolyx.LookUpTable1D.link_path)Root path of the current node in the tree for links to this object.[`LookUpTable1D.location_column_name`](compolyx.LookUpTable1D.location_column_name.md#compolyx.LookUpTable1D.location_column_name)[`LookUpTable1D.name`](compolyx.LookUpTable1D.name.md#compolyx.LookUpTable1D.name)Name of the object.[`LookUpTable1D.num_cols`](compolyx.LookUpTable1D.num_cols.md#compolyx.LookUpTable1D.num_cols)Number of rows.[`LookUpTable1D.num_rows`](compolyx.LookUpTable1D.num_rows.md#compolyx.LookUpTable1D.num_rows)Number of columns.[`LookUpTable1D.origin`](compolyx.LookUpTable1D.origin.md#compolyx.LookUpTable1D.origin)The Origin of the Look Up Table.[`LookUpTable1D.parent`](compolyx.LookUpTable1D.parent.md#compolyx.LookUpTable1D.parent)Parent object in the tree.[`LookUpTable1D.root_path`](compolyx.LookUpTable1D.root_path.md#compolyx.LookUpTable1D.root_path)Root path of the current node in the tree.[`LookUpTable1D.status`](compolyx.LookUpTable1D.status.md#compolyx.LookUpTable1D.status)Status of the object.[`LookUpTable1D.status_changed`](compolyx.LookUpTable1D.status_changed.md#compolyx.LookUpTable1D.status_changed)Boolean flag which is set to true in C++ when up-to-date status of object changes.[`LookUpTable1D.tabular_data`](compolyx.LookUpTable1D.tabular_data.md#compolyx.LookUpTable1D.tabular_data)a tuple containing a list of column labels and a 2d array with floats for all cells.[`LookUpTable1D.uid`](compolyx.LookUpTable1D.uid.md#compolyx.LookUpTable1D.uid)UID of the object.[`LookUpTable1D.vector_column_suffix`](compolyx.LookUpTable1D.vector_column_suffix.md#compolyx.LookUpTable1D.vector_column_suffix)[`LookUpTable1D.vertex`](compolyx.LookUpTable1D.vertex.md#compolyx.LookUpTable1D.vertex)Raises an error if the object has been removed from the graph.### Methods

NameDescription[`LookUpTable1D.clear`](compolyx.LookUpTable1D.clear.md#compolyx.LookUpTable1D.clear)()Clear table data (rows and columns).[`LookUpTable1D.clear_rows`](compolyx.LookUpTable1D.clear_rows.md#compolyx.LookUpTable1D.clear_rows)()Clear table rows (keep columns).[`LookUpTable1D.create_column`](compolyx.LookUpTable1D.create_column.md#compolyx.LookUpTable1D.create_column)(name\[, type, ...\])Create a new column.[`LookUpTable1D.find_parent`](compolyx.LookUpTable1D.find_parent.md#compolyx.LookUpTable1D.find_parent)(type)Steps up the tree and returns the first parent with given type.[`LookUpTable1D.load_from_csv_file`](compolyx.LookUpTable1D.load_from_csv_file.md#compolyx.LookUpTable1D.load_from_csv_file)(path)Load the table from .csv file in path.[`LookUpTable1D.obj_exists`](compolyx.LookUpTable1D.obj_exists.md#compolyx.LookUpTable1D.obj_exists)()Checks if \_\_obj still references the c++ object (has not been reset to None by self.\_delete) and exists in the graph.[`LookUpTable1D.save_to_csv_file`](compolyx.LookUpTable1D.save_to_csv_file.md#compolyx.LookUpTable1D.save_to_csv_file)(path)Save LookUpTable to CSV file.[`LookUpTable1D.serialize`](compolyx.LookUpTable1D.serialize.md#compolyx.LookUpTable1D.serialize)()[`LookUpTable1D.serialize_name_and_id`](compolyx.LookUpTable1D.serialize_name_and_id.md#compolyx.LookUpTable1D.serialize_name_and_id)()Serializes the name and ID.[`LookUpTable1D.update`](compolyx.LookUpTable1D.update.md#compolyx.LookUpTable1D.update)()[`LookUpTable1D.visit`](compolyx.LookUpTable1D.visit.md#compolyx.LookUpTable1D.visit)(visitor)Walk through the tree and let the visitor perform action on every descendant node.