pyflwdir.gis_utils.get_edge#

pyflwdir.gis_utils.get_edge(a: ndarray, structure: ndarray | None = None) → ndarray[source]#

Get edge of valid cells.

Parameters:

  • a (2D array of bool) – Boolean array valid cells.

  • structure (2D array with shape (3,3) of bool, optional) – Structuring element used to define which cells are neighbors. If None, a 3x3 square is used. The center cell is ignored.

Returns:

edge – Boolean array edge cells.

Return type:

2D array of bool