program convert_soicol  implicit none  include 'netcdf.inc'!-----------------------------------------------------------------! make soil colr netcdf file!-----------------------------------------------------------------  integer, parameter :: r8 = selected_real_kind(12)! File specific settings  integer, parameter :: nlon = 128        !input grid : longitude points  integer, parameter :: nlat =  64        !input grid : latitude  points  real(r8) :: gaulat(nlat)                !input grid: Gaussian latitudes  real(r8) :: gauwt(nlat)                 !input grid: Gaussian weights  real(r8) :: lon(nlon)                   !longitude dimension array (1d)  real(r8) :: lat(nlat)                   !latitude dimension array (1d)   real(r8) :: longxy(nlon,nlat)           !longitude dimension array (2d)          real(r8) :: latixy(nlon,nlat)           !longitude dimension array (2d)  real(r8) :: edge(4)                     !N,E,S,W edges of grid  real(r8) :: dx,dy                       !grid increments  real(r8) :: soil_color(nlon,nlat)       !lsm soil color  real(r8) :: landmask(nlon,nlat)         !land mask derived from soil color  integer :: dimlon_id                    !netCDF dimension id  integer :: dimlat_id                    !netCDF dimension id  integer :: lon_id                       !1d longitude array id  integer :: lat_id                       !1d latitude array id  integer :: longxy_id                    !2d longitude array id  integer :: latixy_id                    !2d latitude array id  integer :: edgen_id                     !northern edge of grid (edge(1)) id  integer :: edgee_id                     !eastern  edge of grid (edge(2)) id  integer :: edges_id                     !southern edge of grid (edge(3)) id  integer :: edgew_id                     !western  edge of grid (edge(4)) id  integer :: soil_color_id                !soil color id  integer :: landmask_id                  !landmask id  integer :: i,j                          !indicis  integer :: ndata = 1                    !input unit  integer :: ncid                         !netCDF file id  integer :: dim1_id(1)                   !netCDF dimension id for 1-d variables  integer :: dim2_id(2)                   !netCDF dimension id for 2-d variables  integer :: status                       !status  character(len=256) :: filei, fileo      !input,output filenames  character(len=256) :: name,unit         !netCDF attributes!-----------------------------------------------------------------! Determine input and output file names  filei = '/ptmp/slevis/lsmv2_2/input/0.5x0.5/bats.dat'  fileo = '/ptmp/slevis/lsmv2_2/input/0.5x0.5/mksrf_soicol.nc'! -----------------------------------------------------------------! Determine grid for input data !! BATS data are on T42 Gaussian grid, approximately 2.8 x 2.8 degrees,! stored in latitude bands, from south to north. In a given latitude band, ! data begin at Greenwich, centered on Greenwich, and proceed eastward. ! -----------------------------------------------------------------! Define North, East, South, West edges of grid  edge(1) =  90.  edge(2) = 358.59375  edge(3) = -90.  edge(4) =  -1.40625! Make latitudes and longitudes at center of grid cell  dx = (edge(2)-edge(4)) / nlon  call mkgaulat (gaulat, gauwt, nlat)  do j = 1, nlat     do i = 1, nlon        latixy(i,j) = -asin(gaulat(j)) * 180./(4.*atan(1.))        longxy(i,j) = (edge(4)+dx/2.) + (i-1.)*dx     end do  end do  lat(:) = latixy(1,:)  lon(:) = longxy(:,1)! -----------------------------------------------------------------! create netcdf file! -----------------------------------------------------------------  call wrap_create (fileo, nf_clobber, ncid)  call wrap_put_att_text (ncid, nf_global, 'data_type', 'soil_color_data')! Define dimensions  call wrap_def_dim (ncid, 'lon' , nlon, dimlon_id)  call wrap_def_dim (ncid, 'lat' , nlat, dimlat_id)! Define input file independent variables   name = 'lon'  unit = 'degrees east'  dim1_id(1) = dimlon_id  call wrap_def_var (ncid,'LON', nf_float, 1, dim1_id, lon_id)  call wrap_put_att_text (ncid, lon_id, 'long_name', name)  call wrap_put_att_text (ncid, lon_id, 'units'    , unit)  name = 'lat'  unit = 'degrees north'  dim1_id(1) = dimlat_id  call wrap_def_var (ncid,'LAT', nf_float, 1, dim1_id, lat_id)  call wrap_put_att_text (ncid, lat_id, 'long_name', name)  call wrap_put_att_text (ncid, lat_id, 'units'    , unit)  name = 'longitude-2d'  unit = 'degrees east'  dim2_id(1) = dimlon_id  dim2_id(2) = dimlat_id  call wrap_def_var (ncid, 'LONGXY', nf_float, 2, dim2_id, longxy_id)  call wrap_put_att_text (ncid, longxy_id, 'long_name', name)  call wrap_put_att_text (ncid, longxy_id, 'units'    , unit)  name = 'latitude-2d'  unit = 'degrees north'  dim2_id(1) = dimlon_id  dim2_id(2) = dimlat_id  call wrap_def_var (ncid, 'LATIXY', nf_float, 2, dim2_id, latixy_id)  call wrap_put_att_text (ncid, latixy_id, 'long_name', name)  call wrap_put_att_text (ncid, latixy_id, 'units'    , unit)  name = 'northern edge of surface grid'  unit = 'degrees north'  call wrap_def_var (ncid, 'EDGEN', nf_float, 0, 0, edgen_id)  call wrap_put_att_text (ncid, edgen_id, 'long_name', name)  call wrap_put_att_text (ncid, edgen_id, 'units'    , unit)  name = 'eastern edge of surface grid'  unit = 'degrees east'  call wrap_def_var (ncid, 'EDGEE', nf_float, 0, 0, edgee_id)  call wrap_put_att_text (ncid, edgee_id, 'long_name', name)  call wrap_put_att_text (ncid, edgee_id, 'units'    , unit)  name = 'southern edge of surface grid'  unit = 'degrees north'  call wrap_def_var (ncid, 'EDGES', nf_float, 0, 0, edges_id)  call wrap_put_att_text (ncid, edges_id, 'long_name', name)  call wrap_put_att_text (ncid, edges_id, 'units'    , unit)  name = 'western edge of surface grid'  unit = 'degrees east'  call wrap_def_var (ncid, 'EDGEW', nf_float, 0, 0, edgew_id)  call wrap_put_att_text (ncid, edgew_id, 'long_name', name)  call wrap_put_att_text (ncid, edgew_id, 'units'    , unit)! Define input file specific variables  name = 'soil color'  unit = 'unitless'  dim2_id(1) = lon_id  dim2_id(2) = lat_id  call wrap_def_var (ncid ,'SOIL_COLOR' ,nf_float, 2, dim2_id, soil_color_id)  call wrap_put_att_text (ncid, soil_color_id, 'long_name', name)  call wrap_put_att_text (ncid, soil_color_id, 'units'    , unit)  name = 'land mask'  unit = 'unitless'  call wrap_def_var (ncid ,'LANDMASK' ,nf_float, 2, dim2_id, landmask_id)  call wrap_put_att_text (ncid, landmask_id, 'long_name', name)  call wrap_put_att_text (ncid, landmask_id, 'units'    , unit)! End of definition  status = nf_enddef(ncid)! Read in formatted surface data  open (unit=ndata,file=trim(filei),status='unknown',form='formatted',iostat=status)  if (status .ne. 0) then     write (6,*)'failed to open ',trim(filei),' on unit ',ndata,' ierr=',status     stop  end if  do j = 1, nlat     do i = 1, nlon        read (ndata,*) soil_color(i,j)        if (soil_color(i,j)<0 .or. soil_color(i,j)>8) then           write (6,*) 'ERROR: BATS soil color = ',soil_color(i,j), &                ' is not valid for lon,lat = ',i,j           stop        end if        if (soil_color(i,j)==0) then           landmask(i,j) = 0.        else           landmask(i,j) = 1.        end if     end do  end do  close(ndata)! Create output file  call wrap_put_var_realx (ncid, lon_id       , lon)  call wrap_put_var_realx (ncid, lat_id       , lat)  call wrap_put_var_realx (ncid, longxy_id    , longxy)  call wrap_put_var_realx (ncid, latixy_id    , latixy)  call wrap_put_var_realx (ncid, edgen_id     , edge(1))  call wrap_put_var_realx (ncid, edgee_id     , edge(2))  call wrap_put_var_realx (ncid, edges_id     , edge(3))  call wrap_put_var_realx (ncid, edgew_id     , edge(4))  call wrap_put_var_realx (ncid, landmask_id  , landmask)  call wrap_put_var_realx (ncid, soil_color_id, soil_color)! Close output file  call wrap_close(ncid)end program convert_soicol!===============================================================================      subroutine mkgaulat (a, w, k)! ------------------------ code history ------------------------------! source file       : mkgaulat.F! purpose           : Gaussian latitudes! date first created: July 1995 - lsm version 1! by whom           : Gordon Bonan! date last revised : Jan 2000 - lsm version 2! by whom           : Mariana Vertenstein! --------------------------------------------------------------------      implicit none      integer, parameter :: r8 = selected_real_kind(12)! ------------------------ arguments ---------------------------------      integer , intent(in) :: k       !number of latitudes pole to pole      real(r8), intent(out):: a(k)    !sine of latitudes