xugrid.Ugrid1d.topology_subset#

Ugrid1d.topology_subset(edge_index: ndarray, return_index: bool = False)[source]#

Create a new UGRID1D topology for a subset of this topology.

Parameters:

  • edge_index (1d array of integers or bool) – Edges of the subset.

  • return_index (bool, optional) – Whether to return node_index, edge_index.

Returns:

  • subset (Ugrid1d)

  • indexes (dict) – Dictionary with keys node dimension and edge dimension and values their respective index. Only returned if return_index is True.