| 1 | program expandstartfi |
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| 2 | |
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| 3 | ! program which takes a GCM startfi.nc file and puts it on the |
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| 4 | ! corresponding lonxlat grid (so it can be displayed using Grads, Ferret, etc.) |
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| 5 | ! usage: |
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| 6 | ! expandstartfi [infile.nc] [outfile.nc] |
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| 7 | ! if outfile is not specified it is built as "infile_ex.nc" |
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| 8 | ! if infile is not specified, "startfi.nc" is used as default |
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| 9 | |
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| 10 | use netcdf |
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| 11 | implicit none |
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| 12 | |
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| 13 | ! Input and output files: |
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| 14 | character(len=256) :: infile="startfi.nc" ! default input file |
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| 15 | character(len=256) :: outfile="startfi_ex.nc" ! default output file |
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| 16 | |
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| 17 | ! NetCDF stuff |
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| 18 | integer :: status ! NetCDF return code |
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| 19 | integer :: inid,outid ! NetCDF file IDs |
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| 20 | integer :: varid ! to store the ID of a variable |
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| 21 | integer :: datashape(4) ! to store dimension IDs of a given dataset |
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| 22 | integer :: corner(3),edges(3) ! to read data with a time axis |
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| 23 | character(len=90) :: varname ! name of a variable |
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| 24 | character(len=90) :: varatt ! name of attribute of a variable |
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| 25 | character(len=90) :: varattcontent ! content of the attribute |
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| 26 | ! Input file dimension IDs: |
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| 27 | integer :: physical_points_dimid |
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| 28 | integer :: subsurface_layers_dimid |
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| 29 | integer :: nlayer_plus_1_dimid |
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| 30 | integer :: number_of_advected_fields_dimid |
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| 31 | integer :: time_dimid |
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| 32 | integer :: nbindims ! number of dimensions in input file |
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| 33 | integer :: nbinvars ! number of variables in input file |
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| 34 | integer :: invarid ! to store ID of an input variable |
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| 35 | !Input file variables |
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| 36 | integer :: physical_points |
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| 37 | integer :: subsurface_layers |
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| 38 | integer :: nlayer_plus_1 |
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| 39 | integer :: number_of_advected_fields |
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| 40 | integer :: timelen |
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| 41 | real,allocatable :: surf_field(:) ! to store a 1D field of physical_points elements |
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| 42 | real,allocatable :: subsurf_field(:,:) ! to store subsurface (2D field) |
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| 43 | |
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| 44 | ! Output file dimensions: |
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| 45 | integer :: latlen |
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| 46 | integer :: lonlen |
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| 47 | ! Output file variables: |
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| 48 | real,allocatable :: longitude(:) |
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| 49 | real,allocatable :: latitude(:) |
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| 50 | real,allocatable :: depth(:) |
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| 51 | real,allocatable :: out_surf_field(:,:) |
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| 52 | real,allocatable :: out_subsurf_field(:,:,:) |
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| 53 | ! Output file dimension IDs |
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| 54 | integer :: lon_dimid |
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| 55 | integer :: lat_dimid |
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| 56 | integer :: depth_dimid |
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| 57 | ! IDs of Output file variables |
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| 58 | integer :: lon_varid |
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| 59 | integer :: lat_varid |
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| 60 | integer :: depth_varid |
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| 61 | |
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| 62 | integer :: i,j,k,ig0,ivar |
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| 63 | integer :: nbdim,nbatt,shape(4) |
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| 64 | integer :: nbarg ! # of program arguments |
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| 65 | character(len=256) :: arg ! to store a program argument |
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| 66 | real :: pi ! 3.14159... |
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| 67 | |
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| 68 | pi=2.*asin(1.) |
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| 69 | |
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| 70 | ! 0. Preliminary stuff, check arguments (input and output files) |
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| 71 | ! get number of arguments this program was called with |
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| 72 | nbarg=command_argument_count() |
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| 73 | |
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| 74 | if (nbarg.ge.1) then |
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| 75 | call get_command_argument(1,arg) ! get argument # 1 |
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| 76 | infile=trim(arg) |
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| 77 | if (nbarg.eq.2) then |
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| 78 | call get_command_argument(2,arg) ! get argument # 2 |
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| 79 | outfile=trim(arg) |
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| 80 | else |
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| 81 | ! build outfile from infile (replace ".nc" with "_ex.nc" |
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| 82 | outfile=trim(infile(1:index(infile,".nc",back=.true.)-1))//"_ex.nc" |
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| 83 | endif |
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| 84 | if (nbarg.ge.3) then |
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| 85 | write(*,*) ' Warning: Too many arguments...' |
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| 86 | write(*,*) ' will only use the first 2 ' |
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| 87 | endif |
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| 88 | endif |
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| 89 | |
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| 90 | ! 1. open input file |
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| 91 | status=nf90_open(infile,NF90_NOWRITE,inid) |
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| 92 | if (status.ne.nf90_noerr) then |
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| 93 | write(*,*)"Failed to open datafile ",trim(infile) |
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| 94 | write(*,*)trim(nf90_strerror(status)) |
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| 95 | stop |
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| 96 | endif |
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| 97 | write(*,*) "Reading input file: ",trim(infile) |
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| 98 | |
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| 99 | ! 1.2 Identify/load dimensions in input file |
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| 100 | status=nf90_inq_dimid(inid,"physical_points",physical_points_dimid) |
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| 101 | if (status.ne.nf90_noerr) then |
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| 102 | write(*,*)"Failed to find physical_points dimension" |
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| 103 | write(*,*)trim(nf90_strerror(status)) |
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| 104 | stop |
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| 105 | endif |
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| 106 | status=nf90_inquire_dimension(inid,physical_points_dimid,len=physical_points) |
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| 107 | if (status.ne.nf90_noerr) then |
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| 108 | write(*,*)"Failed to find physical_points value" |
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| 109 | write(*,*)trim(nf90_strerror(status)) |
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| 110 | stop |
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| 111 | else |
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| 112 | write(*,*) " physical_points = ",physical_points |
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| 113 | endif |
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| 114 | |
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| 115 | status=nf90_inq_dimid(inid,"subsurface_layers",subsurface_layers_dimid) |
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| 116 | if (status.ne.nf90_noerr) then |
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| 117 | write(*,*)"Failed to find subsurface_layers dimension" |
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| 118 | write(*,*)trim(nf90_strerror(status)) |
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| 119 | stop |
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| 120 | endif |
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| 121 | status=nf90_inquire_dimension(inid,subsurface_layers_dimid,len=subsurface_layers) |
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| 122 | if (status.ne.nf90_noerr) then |
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| 123 | write(*,*)"Failed to find subsurface_layers value" |
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| 124 | write(*,*)trim(nf90_strerror(status)) |
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| 125 | stop |
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| 126 | else |
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| 127 | write(*,*) " subsurface_layers = ",subsurface_layers |
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| 128 | endif |
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| 129 | |
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| 130 | status=nf90_inq_dimid(inid,"nlayer_plus_1",nlayer_plus_1_dimid) |
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| 131 | if (status.ne.nf90_noerr) then |
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| 132 | write(*,*)"Failed to find nlayer_plus_1 dimension" |
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| 133 | write(*,*)trim(nf90_strerror(status)) |
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| 134 | stop |
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| 135 | endif |
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| 136 | status=nf90_inquire_dimension(inid,nlayer_plus_1_dimid,len=nlayer_plus_1) |
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| 137 | if (status.ne.nf90_noerr) then |
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| 138 | write(*,*)"Failed to find nlayer_plus_1 value" |
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| 139 | write(*,*)trim(nf90_strerror(status)) |
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| 140 | stop |
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| 141 | else |
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| 142 | write(*,*) " nlayer_plus_1 = ",nlayer_plus_1 |
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| 143 | endif |
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| 144 | |
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| 145 | status=nf90_inq_dimid(inid,"number_of_advected_fields",number_of_advected_fields_dimid) |
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| 146 | if (status.ne.nf90_noerr) then |
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| 147 | write(*,*)"Failed to find number_of_advected_fields dimension" |
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| 148 | write(*,*)trim(nf90_strerror(status)) |
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| 149 | stop |
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| 150 | endif |
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| 151 | status=nf90_inquire_dimension(inid,number_of_advected_fields_dimid,len=number_of_advected_fields) |
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| 152 | if (status.ne.nf90_noerr) then |
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| 153 | write(*,*)"Failed to find number_of_advected_fields value" |
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| 154 | write(*,*)trim(nf90_strerror(status)) |
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| 155 | stop |
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| 156 | else |
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| 157 | write(*,*) " number_of_advected_fields = ",number_of_advected_fields |
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| 158 | endif |
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| 159 | |
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| 160 | status=nf90_inq_dimid(inid,"Time",time_dimid) |
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| 161 | if (status.ne.nf90_noerr) then |
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| 162 | write(*,*)"Failed to find Time dimension" |
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| 163 | write(*,*)trim(nf90_strerror(status)) |
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| 164 | timelen = 0 |
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| 165 | else |
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| 166 | status=nf90_inquire_dimension(inid,time_dimid,len=timelen) |
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| 167 | if (status.ne.nf90_noerr) then |
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| 168 | write(*,*)"Failed to read Time dimension" |
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| 169 | write(*,*)trim(nf90_strerror(status)) |
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| 170 | stop |
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| 171 | else |
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| 172 | write(*,*) " time length = ",timelen |
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| 173 | endif |
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| 174 | endif |
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| 175 | |
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| 176 | ! 1.3 Allocate memory for input fields |
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| 177 | allocate(surf_field(physical_points)) |
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| 178 | allocate(subsurf_field(physical_points,subsurface_layers)) |
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| 179 | |
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| 180 | ! 2.1. Create output file |
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| 181 | status=nf90_create(outfile,NF90_CLOBBER,outid) |
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| 182 | if (status.ne.nf90_noerr) then |
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| 183 | write(*,*) "Failed to create output file: ",trim(outfile) |
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| 184 | write(*,*)trim(nf90_strerror(status)) |
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| 185 | stop |
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| 186 | endif |
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| 187 | write(*,*) " " |
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| 188 | write(*,*) "Created output file: ",trim(outfile) |
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| 189 | |
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| 190 | ! 2.2. Build dimensions for output file |
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| 191 | |
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| 192 | ! 2.2.1 Compute lonlen and latlen from physical_points |
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| 193 | ! load "longitude(physical_points)" from input file |
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| 194 | status=nf90_inq_varid(inid,"longitude",varid) |
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| 195 | if (status.ne.nf90_noerr) then |
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| 196 | write(*,*) "Failed to find longitude ID" |
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| 197 | write(*,*)trim(nf90_strerror(status)) |
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| 198 | stop |
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| 199 | endif |
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| 200 | ! read longitude |
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| 201 | status=nf90_get_var(inid,varid,surf_field) |
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| 202 | if (status.ne.nf90_noerr) then |
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| 203 | write(*,*) "Failed to load longitude" |
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| 204 | write(*,*)trim(nf90_strerror(status)) |
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| 205 | stop |
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| 206 | endif |
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| 207 | |
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| 208 | ! count the number of points before longitude(i) wraps around |
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| 209 | i=3 |
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| 210 | lonlen=1 |
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| 211 | !write(*,*) "longitude(2)=",surf_field(2) |
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| 212 | do while (surf_field(i).ne.surf_field(2)) |
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| 213 | !write(*,*) "i:",i,"surf_field(i)=",surf_field(i) |
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| 214 | i=i+1 |
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| 215 | lonlen=lonlen+1 |
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| 216 | enddo |
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| 217 | ! and add 1 because we want a redundant lon=180 point |
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| 218 | lonlen=lonlen+1 |
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| 219 | write(*,*) " => lonlen=",lonlen |
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| 220 | |
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| 221 | allocate(longitude(lonlen)) |
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| 222 | ! fill longitude(1:lonlen) |
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| 223 | longitude(1:lonlen-1)=surf_field(2:lonlen) |
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| 224 | longitude(lonlen)=-longitude(1) ! redundant +Pi/2 |
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| 225 | ! convert to degrees |
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| 226 | longitude(:)=longitude(:)*(180./pi) |
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| 227 | |
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| 228 | ! knowing lonlen, compute latlen |
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| 229 | latlen=2+(physical_points-2)/(lonlen-1) |
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| 230 | write(*,*) " => latlen=",latlen |
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| 231 | |
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| 232 | allocate(latitude(latlen)) |
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| 233 | ! get field "latitude(physical_points)" from infile |
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| 234 | status=nf90_inq_varid(inid,"latitude",varid) |
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| 235 | if (status.ne.nf90_noerr) then |
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| 236 | write(*,*) "Failed to find latitude ID" |
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| 237 | write(*,*)trim(nf90_strerror(status)) |
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| 238 | stop |
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| 239 | endif |
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| 240 | ! read latitude |
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| 241 | status=nf90_get_var(inid,varid,surf_field) |
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| 242 | if (status.ne.nf90_noerr) then |
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| 243 | write(*,*) "Failed to load latitude" |
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| 244 | write(*,*)trim(nf90_strerror(status)) |
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| 245 | stop |
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| 246 | endif |
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| 247 | |
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| 248 | latitude(1)=surf_field(1) |
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| 249 | !write(*,*) "latitude(1)=",latitude(1) |
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| 250 | do i=2,latlen-1 |
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| 251 | latitude(i)=surf_field((i-1)*(lonlen-1)) |
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| 252 | ! write(*,*) "i:",i,"latitude(i)=",latitude(i) |
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| 253 | enddo |
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| 254 | latitude(latlen)=surf_field(physical_points) |
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| 255 | !write(*,*) "latitude(latlen)=",latitude(latlen) |
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| 256 | ! convert to degrees |
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| 257 | latitude(:)=latitude(:)*(180./pi) |
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| 258 | |
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| 259 | ! depth: |
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| 260 | allocate(depth(subsurface_layers)) |
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| 261 | ! load "soildepth(subsurface_layers)" from input file |
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| 262 | status=nf90_inq_varid(inid,"soildepth",varid) |
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| 263 | if (status.ne.nf90_noerr) then |
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| 264 | write(*,*) "Failed to find soildepth ID" |
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| 265 | write(*,*)trim(nf90_strerror(status)) |
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| 266 | stop |
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| 267 | endif |
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| 268 | ! read longitude |
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| 269 | status=nf90_get_var(inid,varid,depth) |
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| 270 | if (status.ne.nf90_noerr) then |
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| 271 | write(*,*) "Failed to load soildepth" |
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| 272 | write(*,*)trim(nf90_strerror(status)) |
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| 273 | stop |
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| 274 | endif |
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| 275 | |
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| 276 | ! 2.2.2 define dimensions to output file |
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| 277 | ! longitude: |
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| 278 | status=nf90_def_dim(outid,"longitude",lonlen,lon_dimid) |
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| 279 | if (status.ne.nf90_noerr) then |
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| 280 | write(*,*) "Failed creating longitude dimension" |
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| 281 | write(*,*)trim(nf90_strerror(status)) |
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| 282 | stop |
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| 283 | endif |
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| 284 | ! latitude: |
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| 285 | status=nf90_def_dim(outid,"latitude",latlen,lat_dimid) |
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| 286 | if (status.ne.nf90_noerr) then |
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| 287 | write(*,*) "Failed creating longitude dimension" |
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| 288 | write(*,*)trim(nf90_strerror(status)) |
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| 289 | stop |
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| 290 | endif |
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| 291 | ! depth: |
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| 292 | status=nf90_def_dim(outid,"depth",subsurface_layers,depth_dimid) |
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| 293 | if (status.ne.nf90_noerr) then |
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| 294 | write(*,*) "Failed creating depth dimension" |
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| 295 | write(*,*)trim(nf90_strerror(status)) |
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| 296 | stop |
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| 297 | endif |
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| 298 | |
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| 299 | !2.3. write variables to output file |
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| 300 | ! 2.3.1. define 1D variables |
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| 301 | ! longitude |
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| 302 | datashape(1)=lon_dimid |
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| 303 | status=nf90_def_var(outid,"longitude",NF90_REAL,lon_dimid,lon_varid) |
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| 304 | if (status.ne.nf90_noerr) then |
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| 305 | write(*,*) "Failed creating longitude variable" |
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| 306 | write(*,*)trim(nf90_strerror(status)) |
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| 307 | stop |
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| 308 | endif |
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| 309 | ! longitude attributes |
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| 310 | status=nf90_put_att(outid,lon_varid,"long_name","East longitude") |
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| 311 | status=nf90_put_att(outid,lon_varid,"units","degrees_east") |
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| 312 | |
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| 313 | !latitude |
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| 314 | datashape(2)=lat_dimid |
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| 315 | status=nf90_def_var(outid,"latitude",NF90_REAL,lat_dimid,lat_varid) |
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| 316 | if (status.ne.nf90_noerr) then |
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| 317 | write(*,*) "Failed creating latitude variable" |
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| 318 | write(*,*)trim(nf90_strerror(status)) |
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| 319 | stop |
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| 320 | endif |
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| 321 | ! latitude attributes |
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| 322 | status=nf90_put_att(outid,lat_varid,"long_name","North latitude") |
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| 323 | status=nf90_put_att(outid,lat_varid,"units","degrees_north") |
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| 324 | |
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| 325 | ! depth |
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| 326 | status=nf90_def_var(outid,"depth",NF90_REAL,depth_dimid,depth_varid) |
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| 327 | if (status.ne.nf90_noerr) then |
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| 328 | write(*,*) "Failed creating depth variable" |
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| 329 | write(*,*)trim(nf90_strerror(status)) |
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| 330 | stop |
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| 331 | endif |
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| 332 | !depth atributes |
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| 333 | status=nf90_put_att(outid,depth_varid,"long_name","Soil mid-layer depth") |
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| 334 | status=nf90_put_att(outid,depth_varid,"units","m") |
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| 335 | status=nf90_put_att(outid,depth_varid,"positive","down") |
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| 336 | |
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| 337 | ! 2.3.2 write 1D variable |
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| 338 | |
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| 339 | ! swich out of NetCDF define mode |
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| 340 | status=nf90_enddef(outid) |
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| 341 | if (status.ne.nf90_noerr) then |
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| 342 | write(*,*) "Failed to swich out of define mode" |
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| 343 | write(*,*)trim(nf90_strerror(status)) |
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| 344 | stop |
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| 345 | endif |
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| 346 | |
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| 347 | ! write longitude |
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| 348 | status=nf90_put_var(outid,lon_varid,longitude) |
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| 349 | if (status.ne.nf90_noerr) then |
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| 350 | write(*,*) "Failed writing longitude" |
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| 351 | write(*,*)trim(nf90_strerror(status)) |
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| 352 | stop |
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| 353 | endif |
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| 354 | |
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| 355 | ! write latitude |
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| 356 | status=nf90_put_var(outid,lat_varid,latitude) |
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| 357 | if (status.ne.nf90_noerr) then |
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| 358 | write(*,*) "Failed writing latitude" |
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| 359 | write(*,*)trim(nf90_strerror(status)) |
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| 360 | stop |
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| 361 | endif |
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| 362 | |
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| 363 | ! write depth |
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| 364 | status=nf90_put_var(outid,depth_varid,depth) |
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| 365 | if (status.ne.nf90_noerr) then |
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| 366 | write(*,*) "Failed writing depth" |
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| 367 | write(*,*)trim(nf90_strerror(status)) |
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| 368 | stop |
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| 369 | endif |
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| 370 | |
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| 371 | ! 2.3. 2D (surface) variables |
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| 372 | ! First find out how many variables there are in input file |
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| 373 | status=nf90_inquire(inid,nbindims,nbinvars) |
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| 374 | if (status.ne.nf90_noerr) then |
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| 375 | write(*,*) "Failed obtaining nbindims and nbinvars from input file" |
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| 376 | write(*,*)trim(nf90_strerror(status)) |
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| 377 | stop |
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| 378 | endif |
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| 379 | |
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| 380 | allocate(out_surf_field(lonlen,latlen)) |
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| 381 | |
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| 382 | shape(:) = 0 |
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| 383 | do ivar=1,nbinvars ! loop on all input variables |
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| 384 | ! find out what dimensions are linked to this variable |
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| 385 | status=nf90_inquire_variable(inid,ivar,name=varname,ndims=nbdim,& |
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| 386 | dimids=shape,natts=nbatt) |
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| 387 | if (((nbdim==1).and.(shape(1)==physical_points_dimid))& |
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| 388 | .or.((nbdim==2).and.(shape(1)==physical_points_dimid)& |
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| 389 | .and.(shape(2)==time_dimid))) then |
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| 390 | |
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| 391 | corner(1) = 1 |
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| 392 | corner(2) = timelen |
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| 393 | edges(1) = physical_points |
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| 394 | edges(2) = 1 |
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| 395 | |
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| 396 | ! skip "longitude" and "latitude" |
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| 397 | if (trim(varname)=="longitude") cycle |
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| 398 | if (trim(varname)=="latitude") cycle |
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| 399 | |
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| 400 | write(*,*) " processing: ",trim(varname) |
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| 401 | |
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| 402 | ! load input data: |
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| 403 | status=nf90_inq_varid(inid,varname,invarid) |
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| 404 | status=nf90_get_var(inid,invarid,surf_field,corner,edges) |
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| 405 | |
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| 406 | ! switch output file to to define mode |
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| 407 | status=nf90_redef(outid) |
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| 408 | if (status.ne.nf90_noerr) then |
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| 409 | write(*,*) "Failed to swich to define mode" |
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| 410 | write(*,*)trim(nf90_strerror(status)) |
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| 411 | stop |
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| 412 | endif |
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| 413 | !define the variable |
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| 414 | status=nf90_def_var(outid,trim(varname),NF90_REAL,& |
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| 415 | (/lon_dimid,lat_dimid/),varid) |
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| 416 | if (status.ne.nf90_noerr) then |
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| 417 | write(*,*) "Failed creating variable ",trim(varname) |
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| 418 | write(*,*)trim(nf90_strerror(status)) |
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| 419 | stop |
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| 420 | endif |
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| 421 | |
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| 422 | ! variable attributes |
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| 423 | do k=1,nbatt |
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| 424 | status=nf90_inq_attname(inid,invarid,k,varatt) |
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| 425 | if (status.ne.nf90_noerr) then |
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| 426 | write(*,*) "Failed getting attribute number",k," for ",trim(varname) |
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| 427 | write(*,*)trim(nf90_strerror(status)) |
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| 428 | stop |
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| 429 | endif |
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| 430 | status=nf90_get_att(inid,invarid,trim(varatt),varattcontent) |
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| 431 | if (status.ne.nf90_noerr) then |
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| 432 | write(*,*) "Failed loading attribute ",trim(varatt) |
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| 433 | write(*,*)trim(nf90_strerror(status)) |
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| 434 | stop |
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| 435 | endif |
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| 436 | |
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| 437 | ! write the attribute and its value to output |
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| 438 | status=nf90_put_att(outid,varid,trim(varatt),trim(varattcontent)) |
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| 439 | if (status.ne.nf90_noerr) then |
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| 440 | write(*,*) "Failed writing attribute ",trim(varatt) |
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| 441 | write(*,*)trim(nf90_strerror(status)) |
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| 442 | stop |
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| 443 | endif |
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| 444 | enddo ! do k=1,nbatt |
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| 445 | |
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| 446 | ! swich out of NetCDF define mode |
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| 447 | status=nf90_enddef(outid) |
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| 448 | if (status.ne.nf90_noerr) then |
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| 449 | write(*,*) "Failed to swich out of define mode" |
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| 450 | write(*,*)trim(nf90_strerror(status)) |
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| 451 | stop |
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| 452 | endif |
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| 453 | |
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| 454 | ! "convert" from surf_field(:) to out_surf_field(:,:) |
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| 455 | do i=1,lonlen |
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| 456 | out_surf_field(i,1)=surf_field(1) ! North Pole |
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| 457 | out_surf_field(i,latlen)=surf_field(physical_points) ! South Pole |
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| 458 | enddo |
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| 459 | do j=2,latlen-1 |
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| 460 | ig0=1+(j-2)*(lonlen-1) |
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| 461 | do i=1,lonlen-1 |
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| 462 | out_surf_field(i,j)=surf_field(ig0+i) |
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| 463 | enddo |
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| 464 | out_surf_field(lonlen,j)=out_surf_field(1,j) ! redundant lon=180 |
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| 465 | enddo |
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| 466 | |
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| 467 | ! write the variable |
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| 468 | status=nf90_put_var(outid,varid,out_surf_field) |
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| 469 | if (status.ne.nf90_noerr) then |
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| 470 | write(*,*) "Failed to write ",trim(varname) |
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| 471 | write(*,*)trim(nf90_strerror(status)) |
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| 472 | stop |
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| 473 | endif |
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| 474 | endif ! of if ((nbdim==1).and.(shape(1)==physical_points_dimid)) |
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| 475 | enddo ! of do i=1,nbinvars |
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| 476 | |
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| 477 | ! 2.4. 3D (subsurface) variables |
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| 478 | allocate(out_subsurf_field(lonlen,latlen,subsurface_layers)) |
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| 479 | |
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| 480 | do ivar=1,nbinvars ! loop on all input variables |
|---|
| 481 | ! find out what dimensions are linked to this variable |
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| 482 | status=nf90_inquire_variable(inid,ivar,name=varname,ndims=nbdim,& |
|---|
| 483 | dimids=shape,natts=nbatt) |
|---|
| 484 | if (((nbdim==2).and.(shape(1)==physical_points_dimid)& |
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| 485 | .and.(shape(2)==subsurface_layers_dimid))& |
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| 486 | .or.((nbdim==3).and.(shape(1)==physical_points_dimid)& |
|---|
| 487 | .and.(shape(2)==subsurface_layers_dimid)& |
|---|
| 488 | .and.(shape(3)==time_dimid))) then |
|---|
| 489 | |
|---|
| 490 | corner(1) = 1 |
|---|
| 491 | corner(2) = 1 |
|---|
| 492 | corner(3) = timelen |
|---|
| 493 | edges(1) = physical_points |
|---|
| 494 | edges(2) = subsurface_layers |
|---|
| 495 | edges(3) = 1 |
|---|
| 496 | |
|---|
| 497 | write(*,*) " processing: ",trim(varname) |
|---|
| 498 | |
|---|
| 499 | ! load input data: |
|---|
| 500 | status=nf90_inq_varid(inid,varname,invarid) |
|---|
| 501 | status=nf90_get_var(inid,invarid,subsurf_field,corner,edges) |
|---|
| 502 | |
|---|
| 503 | ! switch output file to to define mode |
|---|
| 504 | status=nf90_redef(outid) |
|---|
| 505 | if (status.ne.nf90_noerr) then |
|---|
| 506 | write(*,*) "Failed to swich to define mode" |
|---|
| 507 | write(*,*)trim(nf90_strerror(status)) |
|---|
| 508 | stop |
|---|
| 509 | endif |
|---|
| 510 | !define the variable |
|---|
| 511 | status=nf90_def_var(outid,trim(varname),NF90_REAL,& |
|---|
| 512 | (/lon_dimid,lat_dimid,depth_dimid/),varid) |
|---|
| 513 | if (status.ne.nf90_noerr) then |
|---|
| 514 | write(*,*) "Failed creating variable ",trim(varname) |
|---|
| 515 | write(*,*)trim(nf90_strerror(status)) |
|---|
| 516 | stop |
|---|
| 517 | endif |
|---|
| 518 | |
|---|
| 519 | ! variable attributes |
|---|
| 520 | do k=1,nbatt |
|---|
| 521 | status=nf90_inq_attname(inid,invarid,k,varatt) |
|---|
| 522 | if (status.ne.nf90_noerr) then |
|---|
| 523 | write(*,*) "Failed getting attribute number",k," for ",trim(varname) |
|---|
| 524 | write(*,*)trim(nf90_strerror(status)) |
|---|
| 525 | stop |
|---|
| 526 | endif |
|---|
| 527 | status=nf90_get_att(inid,invarid,trim(varatt),varattcontent) |
|---|
| 528 | if (status.ne.nf90_noerr) then |
|---|
| 529 | write(*,*) "Failed loading attribute ",trim(varatt) |
|---|
| 530 | write(*,*)trim(nf90_strerror(status)) |
|---|
| 531 | stop |
|---|
| 532 | endif |
|---|
| 533 | |
|---|
| 534 | ! write the attribute and its value to output |
|---|
| 535 | status=nf90_put_att(outid,varid,trim(varatt),trim(varattcontent)) |
|---|
| 536 | if (status.ne.nf90_noerr) then |
|---|
| 537 | write(*,*) "Failed writing attribute ",trim(varatt) |
|---|
| 538 | write(*,*)trim(nf90_strerror(status)) |
|---|
| 539 | stop |
|---|
| 540 | endif |
|---|
| 541 | enddo ! do k=1,nbatt |
|---|
| 542 | |
|---|
| 543 | ! swich out of NetCDF define mode |
|---|
| 544 | status=nf90_enddef(outid) |
|---|
| 545 | if (status.ne.nf90_noerr) then |
|---|
| 546 | write(*,*) "Failed to swich out of define mode" |
|---|
| 547 | write(*,*)trim(nf90_strerror(status)) |
|---|
| 548 | stop |
|---|
| 549 | endif |
|---|
| 550 | |
|---|
| 551 | ! "convert" from subsurf_field(:,:) to out_subsurf_field(:,:,:) |
|---|
| 552 | do i=1,lonlen |
|---|
| 553 | out_subsurf_field(i,1,:)=subsurf_field(1,:) ! North Pole |
|---|
| 554 | out_subsurf_field(i,latlen,:)=subsurf_field(1,:) ! South Pole |
|---|
| 555 | enddo |
|---|
| 556 | do j=2,latlen-1 |
|---|
| 557 | ig0=1+(j-2)*(lonlen-1) |
|---|
| 558 | do i=1,lonlen-1 |
|---|
| 559 | out_subsurf_field(i,j,:)=subsurf_field(ig0+i,:) |
|---|
| 560 | enddo |
|---|
| 561 | out_subsurf_field(lonlen,j,:)=out_subsurf_field(1,j,:) ! redundant lon=180 |
|---|
| 562 | enddo |
|---|
| 563 | |
|---|
| 564 | ! write the variable |
|---|
| 565 | status=nf90_put_var(outid,varid,out_subsurf_field) |
|---|
| 566 | if (status.ne.nf90_noerr) then |
|---|
| 567 | write(*,*) "Failed to write ",trim(varname) |
|---|
| 568 | write(*,*)trim(nf90_strerror(status)) |
|---|
| 569 | stop |
|---|
| 570 | endif |
|---|
| 571 | endif ! of if ((nbdim==1).and.(shape(1)==physical_points_dimid)...) |
|---|
| 572 | enddo ! of do i=1,nbinvars |
|---|
| 573 | |
|---|
| 574 | |
|---|
| 575 | ! 3. Finish things and cleanup |
|---|
| 576 | ! Close output file |
|---|
| 577 | status=nf90_close(outid) |
|---|
| 578 | if (status.ne.nf90_noerr) then |
|---|
| 579 | write(*,*)"Failed to close file: ",trim(outfile) |
|---|
| 580 | write(*,*)trim(nf90_strerror(status)) |
|---|
| 581 | stop |
|---|
| 582 | endif |
|---|
| 583 | |
|---|
| 584 | end program expandstartfi |
|---|
