Dear All,

I have run RegCM4.3 with horizontal resolution ds = 25.0 but ctlinfo command in Grads show 0.11 degrees instead of 0.22
xdef   892 linear   43.97   0.11
ydef   502 linear    3.05   0.11
 
I test other .nc files not output of RegCM4.3 show correct information of ctlinfo. Please suggest where is the problem.

Thank you in advance.

regcm.in and ctlinfo results is below:

regcm.in

! Chinese domain
 &dimparam
 iy     = 236,
 jx     = 270,
 kz     = 18,
 nsg    = 1,
 /
 &geoparam
 iproj = 'LAMCON',
 ds = 25.0,
 ptop = 5.0,
 clat = 32,
 clon = 93,
 plat = 34,
 plon = 120,
 truelatl = 25.0,
 truelath = 50.0,
 i_band = 0,
 /
 &terrainparam
 domname = 'test_002',
 smthbdy = .false.,
 lakedpth = .false.,
 fudge_lnd   = .false.,
 fudge_lnd_s = .false.,
 fudge_tex   = .false.,
 fudge_tex_s = .false.,
 dirter = 'input',
 inpter = 'DATA',
 /
 &ioparam
 ibyte = 4,
 /
 &debugparam
 debug_level = 1,
 dbgfrq = 3,
 /
 &boundaryparam
 nspgx  = 12,
 nspgd  = 12,
 /
 &globdatparam
 ibdyfrq = 6,
 ssttyp = 'OI_WK',
 dattyp = 'EIN15',
 gdate1 = 1986060100,
 gdate2 = 1986080100,
 dirglob = 'input',
 inpglob = 'DATA',
 /
 &globwindow
 lat0 = 0.0
 lat1 = 0.0
 lon0 = 0.0
 lon1 = 0.0
 /
 &restartparam
 ifrest  = .false. ,
 mdate0  = 1986060100,
 mdate1  = 1986060100,
 mdate2  = 1986080100,
 /
 &timeparam
 dtrad   =    30.,
 dtabem  =    18.,
 dtsrf   =   120.,
 dt      =   40.,
 /
 &outparam
 ifsave  = .true. ,
  savfrq  =    7200.,
 ifatm  = .true. ,
 atmfrq  =     6.,
 ifrad   = .true. ,
   radfrq  =     6.,
 ifsrf   = .true. ,
 ifsub   = .true. ,
   srffrq  =     3.,
 ifchem  = .false.,
   chemfrq =     6.,
 dirout = 'output',
 /
 &physicsparam
 iboudy  =          5,
 ibltyp  =          1,
 icup    =          2,
   igcc    =          2,
 ipptls  =          1,
 iocnflx =          2,
 ipgf    =          0,
 iemiss  =          0,
 lakemod =          0,
 ichem   =          0,
 scenario = 'A1B',
 idcsst = 0,
 iseaice = 0,
 idesseas = 1,
 iconvlwp = 1,
 /
 &subexparam
 qck1land=   .250E-03,
 qck1oce =   .250E-03,
 cevap   =   .100E-02,
 caccr   =      3.000,
 cftotmax =      0.75,
 /
 &grellparam
 /
 &emanparam
 elcrit  = 0.0011D0,
 coeffr  = 1.0D0,
 /
  &clmparam
 dirclm = '/set/this/to/where/your/input/clm/data/are',
 imask  = 1,
 clmfrq = 12.,
 /

ctlinfo
dset ^test_002_ATM.1986060100.nc
dtype netcdf
undef 1e+20_FillValue
title ICTP Regional Climatic model V4
pdef  267 233 bilin sequential binary-big ^test_002.coord
xdef   892 linear   43.97   0.11
ydef   502 linear    3.05   0.11

zdef   18 levels    25.0   75.0  130.0  195.0  270.0  350.0  430.0  510.0  590.0  670.0  745.0  810.0  865.0  910.0  945.0  970.0  985.0  995.0
tdef      120 linear 06Z01jun1986    6hr
vectorpairs u,v s01u10m,s01v10m
vars   14
xlat=>xlat 0 y,x Latitude at cross points (degrees_north)
xlon=>xlon 0 y,x Longitude at cross points (degrees_east)
topo=>topo 0 y,x Domain surface elevation (m)
mask=>mask 0 y,x Domain land/ocean mask (1)
ps=>ps 0 t,y,x Surface pressure (hPa)
u=>u   18 t,z,y,x U component (westerly) of wind (m s-1)
v=>v   18 t,z,y,x V component (southerly) of wind (m s-1)
omega=>omega   18 t,z,y,x Pressure velocity (hPa s-1)
t=>t   18 t,z,y,x Temperature (K)
qv=>qv   18 t,z,y,x Water vapor mixing ratio (kg kg-1)
qc=>qc   18 t,z,y,x Cloud water mixing ratio (kg kg-1)
tpr=>tpr 0 t,y,x Total daily precipitation rate (kg m-2 day-1)
tgb=>tgb 0 t,y,x Lower groud temperature (K)
swt=>swt 0 t,y,x Total soil water (kg m-2)
endvars


With regards
Ali