fastscapelib.MSTSinkResolver

class fastscapelib.MSTSinkResolver

Minimum Spanning Tree (MST) sink resolver operator.

This flow operator re-routes the flow trapped in closed depressions towards their spill, using an efficient algorithm that explicitly computes a graph of (inner and outer) basins and reduces it as a tree [CBB19].

It requires a single flow graph as input.

This operator also use the updated routes in closed depressions to fill these with nearly flat surfaces (a tiny slope ensure natural flow routing for the operators applied after this one).

__init__(self, basin_method: MSTMethod = MSTMethod.KRUSKAL, route_method: MSTRouteMethod = MSTRouteMethod.CARVE) → None

MSTSinkResolver initializer.

Parameters:

• basin_method (MSTMethod) – Basin simplification algorithm selector.

• route_method (MSTRouteMethod) – Method used to route the flow within inner basins.

Methods

__init__(self[, basin_method, route_method])

MSTSinkResolver initializer.

Attributes

basin_method	Basin simplification algorithm.
elevation_updated
graph_updated
in_flowdir
name	Flow operator's name.
out_flowdir
route_method	Method used to route the flow within inner basins.

property basin_method

Basin simplification algorithm.

property route_method

Method used to route the flow within inner basins.