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add EASE grid support to Regrid_Util.x #3973

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add EASE grid support to Regrid_Util.x #3973

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5150f3e
add EASE grid support to Regrid_Util.x
weiyuan-jiang Aug 11, 2025
6ecf6f5
Merge branch 'develop' into feature/wjiang/issue#3761
mathomp4 Oct 14, 2025
9d04b21
Merge branch 'develop' into feature/wjiang/issue#3761
weiyuan-jiang Oct 22, 2025
69cdb39
Merge branch 'develop' into feature/wjiang/issue#3761
mathomp4 Oct 31, 2025
a3e49ac
Merge branch 'develop' into feature/wjiang/issue#3761
mathomp4 Nov 20, 2025
b47d69e
Merge branch 'develop' into feature/wjiang/issue#3761
mathomp4 Dec 4, 2025
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17 changes: 14 additions & 3 deletions Apps/Regrid_Util/Regrid_Util.F90
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Original file line number Diff line number Diff line change
Expand Up @@ -46,6 +46,8 @@ subroutine UnpackGridName(gridName,im,jm,date,pole)
integer :: nn
character(len=5) :: imsz,jmsz

if (index(gridName, 'EASE') /=0) return ! Not necessary for EASE grid

nn = len_trim(Gridname)
imsz = Gridname(3:index(Gridname,'x')-1)
jmsz = Gridname(index(Gridname,'x')+1:nn-3)
Expand Down Expand Up @@ -260,13 +262,22 @@ function create_cf(grid_name,im_world,jm_world,nx,ny,lm,cs_stretch_param,lon_ran
character(len=2) :: pole,dateline
integer :: nn

cf = MAPL_ConfigCreate(_RC)
call MAPL_ConfigSetAttribute(cf,value=NX, label=trim(grid_name)//".NX:",_RC)
call MAPL_ConfigSetAttribute(cf,value=lm, label=trim(grid_name)//".LM:",_RC)

if (index(grid_name, 'EASE') /=0) then
!These three attributes are enough to create a EASE grid from the EASE factory
call MAPL_ConfigSetAttribute(cf,value="EASE", label=trim(grid_name)//".GRID_TYPE:",_RC)
call MAPL_ConfigSetAttribute(cf,value=trim(grid_name), label=trim(grid_name)//".GRIDNAME:",_RC)
call MAPL_ConfigSetAttribute(cf,value=ny, label=trim(grid_name)//".NY:",_RC)
_RETURN(_SUCCESS)
endif

nn = len_trim(grid_name)
dateline=grid_name(nn-1:nn)
pole=grid_name(1:2)

cf = MAPL_ConfigCreate(_RC)
call MAPL_ConfigSetAttribute(cf,value=NX, label=trim(grid_name)//".NX:",_RC)
call MAPL_ConfigSetAttribute(cf,value=lm, label=trim(grid_name)//".LM:",_RC)
if (dateline=='CF') then
call MAPL_ConfigSetAttribute(cf,value="Cubed-Sphere", label=trim(grid_name)//".GRID_TYPE:",_RC)
call MAPL_ConfigSetAttribute(cf,value=6, label=trim(grid_name)//".NF:",_RC)
Expand Down
3 changes: 2 additions & 1 deletion CHANGELOG.md
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Expand Up @@ -38,8 +38,9 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
### Added

- Added updated version of `MAPL_GridCompSpecs_ACG_writer.py`
- Added EASE grid support to Regridder_Util program
- Create TilegridIO's outbundle from output grid and deallocate mGriddedIO in History
- Added 'Gridname' attribute to history output
- Create TilgridIO's outbundle from output grid and deallocate mGriddedIO in History
- Added TileGridIO.F90 to output NC4 History file in tile space. The collection's format should be 'CFIO'
- Added bit shave to TileGridIO

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