|
| 1 | +! |
| 2 | +! Utility program that converts ASCII-formatted *.til file and catchment.def file into a single nc4 file |
| 3 | +! |
| 4 | +! Usage TileFile_ASCII-to-nc4.x tile_file catchmentdef_file |
| 5 | +! |
| 6 | +! wjiang, rreichle, 29 Nov 2024 |
| 7 | + |
| 8 | +program TileFile_ASCII_to_nc4 |
| 9 | + use, intrinsic :: iso_fortran_env, only: REAL64 |
| 10 | + use MAPL |
| 11 | + use LogRectRasterizeMod, only: WriteTilingNC4, MAPL_UNDEF_R8 |
| 12 | + use EASE_conv, only: ease_extent |
| 13 | + |
| 14 | + implicit none |
| 15 | + |
| 16 | + character(512) :: arg |
| 17 | + integer :: i, unit, unit2 |
| 18 | + |
| 19 | + character(:), allocatable :: tile_file |
| 20 | + character(:), allocatable :: catchmentdef_file |
| 21 | + real(REAL64), allocatable :: rTable(:,:) |
| 22 | + integer, allocatable :: iTable(:,:) |
| 23 | + character(128) :: gName1, gName2 |
| 24 | + character(len=512) :: tmpline |
| 25 | + |
| 26 | + character(:), allocatable :: array(:) |
| 27 | + character(len=:), allocatable :: filenameNC4 |
| 28 | + |
| 29 | + real :: cell_area |
| 30 | + |
| 31 | + integer :: n_tile, n_grid, n_lon1, n_lat1, n_cat, tmp_in1, tmp_in2 |
| 32 | + integer :: n_lon2, n_lat2, nx, ny, num, ll, maxcat |
| 33 | + logical :: file_exists |
| 34 | + |
| 35 | + ! ---------------------------------------------------------------------- |
| 36 | + ! |
| 37 | + ! process command-line arguments |
| 38 | + |
| 39 | + CALL get_command_argument(1, arg) |
| 40 | + tile_file = trim(arg) |
| 41 | + CALL get_command_argument(2, arg) |
| 42 | + catchmentdef_file = trim(arg) |
| 43 | + |
| 44 | + ! ---------------------------------------------------------------------- |
| 45 | + ! |
| 46 | + ! open and read *.til ASCII file |
| 47 | + |
| 48 | + open (newunit=unit, file=trim(tile_file), form='formatted', action='read') |
| 49 | + |
| 50 | + read (unit,*) tmpline ! header line 1: N_tile [maxcat] nx ny (see below) |
| 51 | + read (unit,*) N_grid ! header line 2: N_grid [=1 for EASE, =2 otherwise] |
| 52 | + read (unit,*) gName1 ! header line 3: name of atm grid |
| 53 | + read (unit,*) n_lon1 ! header line 4: N_lon of atm grid |
| 54 | + read (unit,*) n_lat1 ! header line 5: N_lat of atm grid |
| 55 | + |
| 56 | + ! special treatment needed for header line 1 because maxcat is not included in legacy bcs |
| 57 | + |
| 58 | + call split(tmpline, array, " ") |
| 59 | + read(array(1), *) n_tile |
| 60 | + num = size(array) |
| 61 | + ll = 0 |
| 62 | + if (num == 4) then |
| 63 | + ll = 1 |
| 64 | + read(array(2), *) maxcat ! number of Pfafstetter catchments |
| 65 | + else |
| 66 | + maxcat = -1 ! maxcat not available in legacy bcs |
| 67 | + endif |
| 68 | + |
| 69 | + read(array(2+ll), *) nx ! N_lon of raster grid |
| 70 | + read(array(3+ll), *) ny ! N_lat of raster grid |
| 71 | + |
| 72 | + if (N_grid == 1) then |
| 73 | + |
| 74 | + ! EASE grid tile space |
| 75 | + |
| 76 | + ! in some legacy bcs, dummy ocean grid info is included in header (despite N_grid=1); |
| 77 | + ! read next line and decide if it is dummy header or info for first tile |
| 78 | + |
| 79 | + read (unit,*) tmpline |
| 80 | + if (index(tmpline,'OCEAN')/=0) then |
| 81 | + read (unit,*) |
| 82 | + read (unit,*) |
| 83 | + read (unit,*) tmpline |
| 84 | + endif |
| 85 | + |
| 86 | + else |
| 87 | + |
| 88 | + ! lat/lon or cube-sphere tile space |
| 89 | + |
| 90 | + read (unit,*) gName2 |
| 91 | + read (unit,*) n_lon2 |
| 92 | + read (unit,*) n_lat2 |
| 93 | + read (unit,*) tmpline ! read info for first tile (to accommodate legacy EASE grid issues above) |
| 94 | + |
| 95 | + endif |
| 96 | + |
| 97 | + allocate(iTable(N_tile,0:7)) |
| 98 | + allocate(rTable(N_tile,10)) |
| 99 | + |
| 100 | + rTable = MAPL_UNDEF_r8 |
| 101 | + |
| 102 | + ! read ASCII tile file (NOTE: Info for first tile is already in tmpline!) |
| 103 | + |
| 104 | + if ( index(gName1, 'EASE') /=0 ) then ! EASE grid tile space |
| 105 | + |
| 106 | + read (tmpline,*) iTable(1,0), iTable(1,4), rTable(1,1), rTable(1,2), & |
| 107 | + iTable(1,2), iTable(1,3), rTable(1,4) |
| 108 | + |
| 109 | + do i = 2, N_tile |
| 110 | + read (unit,*) iTable(i,0), iTable(i,4), rTable(i,1), rTable(i,2), & |
| 111 | + iTable(i,2), iTable(i,3), rTable(i,4) |
| 112 | + enddo |
| 113 | + |
| 114 | + ! rTable(:,4) is tile area fraction within grid cell (fr), convert to area; |
| 115 | + ! get fr back in WriteTilingNC4 |
| 116 | + |
| 117 | + call ease_extent(gName1, tmp_in1, tmp_in2, cell_area=cell_area) ! get EASE grid cell area |
| 118 | + |
| 119 | + rTable(:,3) = rTable(:,4)*cell_area |
| 120 | + rTable(:,4) = cell_area |
| 121 | + |
| 122 | + else ! lat/lon or cube-sphere tile space |
| 123 | + |
| 124 | + read (tmpline,*) iTable(1,0), rTable(1,3), rTable(1,1), rTable(1,2), & |
| 125 | + iTable(1,2), iTable(1,3), rTable(1,4), iTable(1,6), & |
| 126 | + iTable(1,4), iTable(1,5), rTable(1,5), iTable(1,7) |
| 127 | + |
| 128 | + do i = 2, N_tile |
| 129 | + read (unit,*) iTable(i,0), rTable(i,3), rTable(i,1), rTable(i,2), & |
| 130 | + iTable(i,2), iTable(i,3), rTable(i,4), iTable(i,6), & |
| 131 | + iTable(i,4), iTable(i,5), rTable(i,5), iTable(i,7) |
| 132 | + enddo |
| 133 | + |
| 134 | + ! re-define rTable(:,4) and rTable(:,5). |
| 135 | + ! fr will be re-created in WriteTilingNC4 |
| 136 | + |
| 137 | + where (rTable(:,4) /=0.0) |
| 138 | + rTable(:,4) = rTable(:,3)/rTable(:,4) |
| 139 | + endwhere |
| 140 | + |
| 141 | + where (rTable(:,5) /=0.0) |
| 142 | + rTable(:,5) = rTable(:,3)/rTable(:,5) |
| 143 | + endwhere |
| 144 | + |
| 145 | + endif |
| 146 | + |
| 147 | + close(unit) |
| 148 | + |
| 149 | + ! ---------------------------------------------------------------------- |
| 150 | + ! |
| 151 | + ! open and read catchment.def ASCII file |
| 152 | + |
| 153 | + inquire( file= trim(catchmentdef_file), exist=file_exists) |
| 154 | + |
| 155 | + if (file_exists) then |
| 156 | + |
| 157 | + open (newunit=unit, file=trim(catchmentdef_file), form='formatted', action='read') |
| 158 | + |
| 159 | + read(unit, *) n_cat ! number of *land* tiles |
| 160 | + |
| 161 | + do i = 1, n_cat |
| 162 | + read(unit, *) & |
| 163 | + tmp_in1, & |
| 164 | + tmp_in2, & |
| 165 | + rTable(i, 6), & |
| 166 | + rTable(i, 7), & |
| 167 | + rTable(i, 8), & |
| 168 | + rTable(i, 9), & |
| 169 | + rTable(i,10) |
| 170 | + enddo |
| 171 | + |
| 172 | + close(unit) |
| 173 | + |
| 174 | + endif |
| 175 | + |
| 176 | + ! assemble name of nc4 file |
| 177 | + |
| 178 | + ll = index(tile_file, '.til') |
| 179 | + filenameNC4 = tile_file(1:ll)//'nc4' |
| 180 | + |
| 181 | + ! write nc4 file |
| 182 | + |
| 183 | + if (N_grid == 1) then |
| 184 | + call WriteTilingNC4(filenameNc4, [gName1 ], [n_lon1 ], [n_lat1 ], nx, ny, iTable, rTable, N_PfafCat=maxcat) |
| 185 | + else |
| 186 | + call WriteTilingNC4(filenameNc4, [gName1, gName2], [n_lon1, n_lon2], [n_lat1, n_lat2], nx, ny, iTable, rTable, N_PfafCat=maxcat) |
| 187 | + endif |
| 188 | + |
| 189 | +contains |
| 190 | + |
| 191 | + subroutine split(input_line,array,delimiters,order,nulls) |
| 192 | + |
| 193 | + character(len=*),intent(in) :: input_line |
| 194 | + character(len=*),optional,intent(in) :: delimiters |
| 195 | + character(len=*),optional,intent(in) :: order |
| 196 | + character(len=*),optional,intent(in) :: nulls |
| 197 | + character(len=:),allocatable,intent(out) :: array(:) |
| 198 | + |
| 199 | + integer :: n |
| 200 | + integer,allocatable :: ibegin(:) |
| 201 | + integer,allocatable :: iterm(:) |
| 202 | + character(len=:),allocatable :: dlim |
| 203 | + character(len=:),allocatable :: ordr |
| 204 | + character(len=:),allocatable :: nlls |
| 205 | + integer :: ii,iiii |
| 206 | + integer :: icount |
| 207 | + integer :: ilen |
| 208 | + integer :: i10,i20,i30 |
| 209 | + integer :: icol |
| 210 | + integer :: idlim |
| 211 | + integer :: ifound |
| 212 | + integer :: inotnull |
| 213 | + integer :: ireturn |
| 214 | + integer :: imax |
| 215 | + |
| 216 | + ! decide on value for optional DELIMITERS parameter |
| 217 | + if (present(delimiters)) then ! optional delimiter list was present |
| 218 | + if(delimiters/='')then ! if DELIMITERS was specified and not null use it |
| 219 | + dlim=delimiters |
| 220 | + else ! DELIMITERS was specified on call as empty string |
| 221 | + dlim=' '//char(9)//char(10)//char(11)//char(12)//char(13)//char(0) ! use default delimiter when not specified |
| 222 | + endif |
| 223 | + else ! no delimiter value was specified |
| 224 | + dlim=' '//char(9)//char(10)//char(11)//char(12)//char(13)//char(0) ! use default delimiter when not specified |
| 225 | + endif |
| 226 | + idlim=len(dlim) ! dlim a lot of blanks on some machines if dlim is a big string |
| 227 | + |
| 228 | + if(present(order))then; ordr=adjustl(order); else; ordr='sequential'; endif ! decide on value for optional ORDER parameter |
| 229 | + |
| 230 | + if(present(nulls))then; nlls=adjustl(nulls); else; nlls='ignore' ; endif ! optional parameter |
| 231 | + |
| 232 | + n=len(input_line)+1 ! max number of strings INPUT_LINE could split into if all delimiter |
| 233 | + allocate(ibegin(n)) ! allocate enough space to hold starting location of tokens if string all tokens |
| 234 | + allocate(iterm(n)) ! allocate enough space to hold ending location of tokens if string all tokens |
| 235 | + ibegin(:)=1 |
| 236 | + iterm(:)=1 |
| 237 | + |
| 238 | + ilen=len(input_line) ! ILEN is the column position of the last non-blank character |
| 239 | + icount=0 ! how many tokens found |
| 240 | + inotnull=0 ! how many tokens found not composed of delimiters |
| 241 | + imax=0 ! length of longest token found |
| 242 | + |
| 243 | + select case (ilen) |
| 244 | + |
| 245 | + case (0) ! command was totally blank |
| 246 | + |
| 247 | + case default ! there is at least one non-delimiter in INPUT_LINE if get here |
| 248 | + icol=1 ! initialize pointer into input line |
| 249 | + INFINITE: do i30=1,ilen,1 ! store into each array element |
| 250 | + ibegin(i30)=icol ! assume start new token on the character |
| 251 | + if(index(dlim(1:idlim),input_line(icol:icol))==0)then ! if current character is not a delimiter |
| 252 | + iterm(i30)=ilen ! initially assume no more tokens |
| 253 | + do i10=1,idlim ! search for next delimiter |
| 254 | + ifound=index(input_line(ibegin(i30):ilen),dlim(i10:i10)) |
| 255 | + IF(ifound>0)then |
| 256 | + iterm(i30)=min(iterm(i30),ifound+ibegin(i30)-2) |
| 257 | + endif |
| 258 | + enddo |
| 259 | + icol=iterm(i30)+2 ! next place to look as found end of this token |
| 260 | + inotnull=inotnull+1 ! increment count of number of tokens not composed of delimiters |
| 261 | + else ! character is a delimiter for a null string |
| 262 | + iterm(i30)=icol-1 ! record assumed end of string. Will be less than beginning |
| 263 | + icol=icol+1 ! advance pointer into input string |
| 264 | + endif |
| 265 | + imax=max(imax,iterm(i30)-ibegin(i30)+1) |
| 266 | + icount=i30 ! increment count of number of tokens found |
| 267 | + if(icol>ilen)then ! no text left |
| 268 | + exit INFINITE |
| 269 | + endif |
| 270 | + enddo INFINITE |
| 271 | + |
| 272 | + end select |
| 273 | + |
| 274 | + select case (trim(adjustl(nlls))) |
| 275 | + case ('ignore','','ignoreend') |
| 276 | + ireturn=inotnull |
| 277 | + case default |
| 278 | + ireturn=icount |
| 279 | + end select |
| 280 | + allocate(character(len=imax) :: array(ireturn)) ! allocate the array to return |
| 281 | + !allocate(array(ireturn)) ! allocate the array to turn |
| 282 | + |
| 283 | + select case (trim(adjustl(ordr))) ! decide which order to store tokens |
| 284 | + case ('reverse','right') ; ii=ireturn ; iiii=-1 ! last to first |
| 285 | + case default ; ii=1 ; iiii=1 ! first to last |
| 286 | + end select |
| 287 | + |
| 288 | + do i20=1,icount ! fill the array with the tokens that were found |
| 289 | + if(iterm(i20)<ibegin(i20))then |
| 290 | + select case (trim(adjustl(nlls))) |
| 291 | + case ('ignore','','ignoreend') |
| 292 | + case default |
| 293 | + array(ii)=' ' |
| 294 | + ii=ii+iiii |
| 295 | + end select |
| 296 | + else |
| 297 | + array(ii)=input_line(ibegin(i20):iterm(i20)) |
| 298 | + ii=ii+iiii |
| 299 | + endif |
| 300 | + enddo |
| 301 | + end subroutine split |
| 302 | + |
| 303 | +end program |
| 304 | + |
| 305 | +! ======================= EOF ==================================================== |
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