GDAL 2.2.1, released 2017/06/23

Usage: gdal_grid [--help-general] [--formats] [-ot {Byte/Int16/UInt16/UInt32/Int32/Float32/Float64/ CInt16/CInt32/CFloat32/CFloat64}] [-of format] [-co "NAME=VALUE"] [-zfield field_name] [-z_increase increase_value] [-z_multiply multiply_value] [-a_srs srs_def] [-spat xmin ymin xmax ymax] [-clipsrc <xmin ymin xmax ymax>|WKT|datasource|spat_extent] [-clipsrcsql sql_statement] [-clipsrclayer layer] [-clipsrcwhere expression] [-l layername]* [-where expression] [-sql select_statement] [-txe xmin xmax] [-tye ymin ymax] [-outsize xsize ysize] [-a algorithm[:parameter1=value1]*] [-q] <src_datasource> <dst_filename> Available algorithms and parameters with their defaults: Inverse distance to a power (default) invdist:power=2.0:smoothing=0.0:radius1=0.0:radius2=0.0:angle=0.0:max_points=0:min_points=0:nodata=0.0 Inverse distance to a power with nearest neighbor search invdistnn:power=2.0:radius=1.0:max_points=12:min_points=0:nodata=0 Moving average average:radius1=0.0:radius2=0.0:angle=0.0:min_points=0:nodata=0.0 Nearest neighbor nearest:radius1=0.0:radius2=0.0:angle=0.0:nodata=0.0 Various data metrics <metric name>:radius1=0.0:radius2=0.0:angle=0.0:min_points=0:nodata=0.0 possible metrics are: minimum maximum range count average_distance average_distance_pts Linear linear:radius=-1.0:nodata=0.0