Added support for output on Cassini (RAP) Grid #30
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Changed wind rotation to happen on input grid, not target grid. Added wind rotation for Cassini (RAP) grids.
Added robust support for user-defined missing value in the event that any part of the user's target grid lies outside the input grid. This is accomplished by using ESMF's unmappedDstList that is returned upon the creation of the regridding weights to set the missing value at all unmappable destination (target) grid points. This value is also added as a _FillValue attribute in the ouput NetCDF file to be CF-compliant.
…into feature/rap_grid
…into feature/miss_values
Removed duplicated declaration statement in subroutine read_setup_namelist(unum,
Modifying environment for building MPASSIT on Hera.
Support User-Defined Missing/Fill Values
Changed wind rotation to happen on input grid, not target grid. Added wind rotation for Cassini (RAP) grids.
… from WPS's metgrid.
…OAA/MPASSIT into feature/rap_grid
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Namelist option target_grid_type = 'rotated lat-lon' is now available to interpolate on to a modified (non-staggered e-grid) rotated lat-lon grid, called CASSINI in the code, specified as the RAP grid would be. To use this option, the necessary namelist options are: nx, ny, dx (degrees), dy (degrees), ref_lat, ref_lon.
To replicate something very similar to the RAP grid you would use:
nx = 953
ny = 834
dx = 0.125
dy = 0.125
ref_lat = 54.0
ref_lon = -106.0
In this process I also updated the wind interpolation to occur on the input grid before being interpolated to the target grid. @daviddowellNOAA I'd appreciate it if you could test this update and make sure it does not degrade those verification results you provided via email.
Addresses Issue #25