v.surf.idw v.surf.idw - Surface interpolation from vector point data by Inverse Distance Squared Weighting. Vector (v.*) ParameterVector|input|Input vector layer|0|False ParameterNumber|npoints|Number of interpolation points|None|None|12 ParameterNumber|power|Power parameter; greater values assign greater influence to closer points|None|None|2.0 ParameterTableField|column|Attribute table column with values to interpolate|input ParameterBoolean|-n|Don't index points by raster cell|False OutputRaster|output|Output raster