Elevation[Raster]
:Seeds[Raster]
:Seeds Only[Boolean]
:Flow Routing Algorithm[Selection]
:Convergence (FD8)[Number]
:
Flow Path Length[Raster]
:
sextante.runalg('saga:flowpathlength', elevation, seed, seeds_only, method, convergence, length) Available options for selection parameters: method(Flow Routing Algorithm) 0 - [0] Deterministic 8 (D8) 1 - [1] Multiple Flow Direction (FD8)