Added functionality to run on tile space of stretched cube-sphere grids (#109)

Author: gmao-rreichle

CHANGELOG.md

@@ -11,8 +11,10 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ### Added
 
+- Added functionality to run on tile space of stretched cube-sphere grids.
 - Added python package for post-processing ObsFcstAna output.
 
+
 ### Changed
 
 - Specify only ntasks_model for SLURM resource request.

GEOSldas_App/ldas_setup

@@ -1440,6 +1440,14 @@ class LDASsetup:
                         valn = 'landpert'+tmpl_+'_internal_checkpoint'
                         ldasrcInp[keyn]= valn
 
+                # add items for stretched grid
+                if '-SG' in self.rqdExeInp['BCS_RESOLUTION']:
+                   pos_ = self.rqdExeInp['BCS_RESOLUTION'].find('-SG')
+                   SG   = self.rqdExeInp['BCS_RESOLUTION'][pos_+1:pos_+6]    # get ID of stretched grid (e.g., SG002)
+                   ldasrcInp['STRETCH_FACTOR'] = STRETCH_GRID[SG][0]
+                   ldasrcInp['TARGET_LAT']     = STRETCH_GRID[SG][1]
+                   ldasrcInp['TARGET_LON']     = STRETCH_GRID[SG][2]
+
                 # write LDAS.rc
                 fout =open(self.rundir+'/'+shortfile,'w')
                 # ldasrcInp['NUM_LDAS_ENSEMBLE']=ldasrcInp.pop('NUM_ENSEMBLE')