https://www.ncl.ucar.edu/Document/Functions/Contributed/rgrid2rcm_Wrap.shtml
rgrid2rcm_Wrap
NCL contributed.ncl functions (regridding)
wrap
https://www.ncl.ucar.edu/Document/Functions/Built-in/rgrid2rcm.shtml
rgrid2rcm
NCL built-in functions (interpolation)