v.net.components Computes strongly and weakly connected components in the network. Vector (v.*) ParameterVector|input|Input vector line layer (network)|1|False ParameterSelection|method|Type of components|weak;strong|0|False *ParameterTableField|arc_column|Arc forward/both direction(s) cost column (number)|input|0|True *ParameterTableField|arc_backward_column|Arc backward direction cost column (number)|input|0|True *ParameterBoolean|-a|Add points on nodes|True|True OutputVector|output|Network_Components_Line OutputVector|output_point|Network_Components_Point