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Add capacity of detecting scaning mode north2south vs south2north in … #52

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Jan 17, 2020
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Add capacity of detecting scaning mode north2south vs south2north in … #52

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5 changes: 5 additions & 0 deletions sorc/ncep_post.fd/grib2_module.f
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Original file line number Diff line number Diff line change
Expand Up @@ -1394,6 +1394,11 @@ subroutine getgds(ldfgrd,len3,ifield3len,igds,ifield3)
ifield3(16) = lonlast
ifield3(17) = NINT(360./(IM)*1000000.)
ifield3(18) = NINT(JM/2.0)
if( latstart < latlast ) then
ifield3(19) = 64 !for SN scan
else
ifield3(19) = 0 !for NS scan
endif
!
!** Latlon grid
ELSE IF(MAPTYPE == 0 ) THEN
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