Bilinear interpolation — cdo

This module contains operators for a bilinear remapping of fields between grids in spherical coordinates. The interpolation is based on an adapted SCRIP library version. For a detailed description of the interpolation method see SCRIP. This interpolation method only works on quadrilateral curvilinear source grids.

Usage

cdo_genbil(ifile, grid = NULL, map3d = NULL, ofile = NULL)

cdo_remapbil(ifile, grid = NULL, map3d = NULL, ofile = NULL)

Arguments

ifile: String with the path to the input file.
grid: STRING - Target grid description file or name
map3d: BOOL - Generate all mapfiles of the first 3D field
ofile: String with the path to the output file.

Details

remapbil  Bilinear interpolation
          Performs a bilinear interpolation on all input fields.
genbil    Generate bilinear interpolation weights
          Generates bilinear interpolation weights for the first input field and writes the
          result to a file. The format of this file is NetCDF following the SCRIP convention.
          Use the operator remap to apply this remapping weights to a data file with the same source grid.
          Set the parameter map3d=true to generate all mapfiles of the first 3D field with varying masks.
          In this case the mapfiles will be named &lt;outfile&gt;&lt;xxx&gt;.nc. xxx will have five digits with the number of the mapfile.