r.series.interp Interpolates raster maps located (temporal or spatial) in between input raster maps at specific sampling positions. Raster (r.*) ParameterMultipleInput|input|Input raster layer(s)|3.0|False ParameterString|datapos|Data point position for each input map|None|True|True ParameterFile|infile|Input file with one input raster map name and data point position per line, field separator between name and sample point is '|'|True ParameterString|output|Name for output raster map (comma separated list if multiple|None|False|True ParameterString|samplingpos|Sampling point position for each output map (comma separated list)|None|True|True ParameterFile|outfile|Input file with one output raster map name and sample point position per line, field separator between name and sample point is '|'|True ParameterSelection|method|Interpolation method, currently only linear interpolation is supported|linear|0 OutputDirectory|output_dir|Interpolated rasters