GRADIENT VECTORS FROM DIRECTIONAL COMPONENTS ============================================ Description ----------- Parameters ---------- - ``X Component[Raster]``: - ``Y Component[Raster]``: - ``Step[Number]``: - ``Size Range Min[Number]``: - ``Size Range Max[Number]``: - ``Aggregation[Selection]``: - ``Style[Selection]``: Outputs ------- - ``Gradient Vectors[Vector]``: See also --------- Console usage ------------- :: sextante.runalg('saga:gradientvectorsfromdirectionalcomponents', x, y, step, size_min, size_max, aggr, style, vectors) Available options for selection parameters: aggr(Aggregation) 0 - [0] nearest neighbour 1 - [1] mean value style(Style) 0 - [0] simple line 1 - [1] arrow 2 - [2] arrow (centered to cell)