| 1 | ;+ |
|---|
| 2 | ; |
|---|
| 3 | ; @file_comments |
|---|
| 4 | ; reading the bathymetry ASCII file of OPA |
|---|
| 5 | ; |
|---|
| 6 | ; @categories |
|---|
| 7 | ; For OPA |
|---|
| 8 | ; |
|---|
| 9 | ; @param FILENAME {in}{required}{type=string} |
|---|
| 10 | ; It contains the filename, |
|---|
| 11 | ; |
|---|
| 12 | ; @keyword ZERO to put 0 on land instead of negatives values for the islands. |
|---|
| 13 | ; |
|---|
| 14 | ; @returns a 2d array |
|---|
| 15 | ; |
|---|
| 16 | ; @history Sebastien Masson (smasson\@lodyc.jussieu.fr) |
|---|
| 17 | ; May 31, 2002 |
|---|
| 18 | ; based on batlec2.pro, written by Maurice Imbard, March 17, 1998 |
|---|
| 19 | ; |
|---|
| 20 | ; @version $Id$ |
|---|
| 21 | ; |
|---|
| 22 | ;- |
|---|
| 23 | ; |
|---|
| 24 | FUNCTION readbat, filename, ZERO = zero |
|---|
| 25 | ; |
|---|
| 26 | compile_opt idl2, strictarrsubs |
|---|
| 27 | ; |
|---|
| 28 | |
|---|
| 29 | ;; |
|---|
| 30 | ;; lecture de la bathymetrie |
|---|
| 31 | ;; |
|---|
| 32 | iname_file = findfile(filename) |
|---|
| 33 | if iname_file[0] EQ '' then begin |
|---|
| 34 | print, 'Bad file name' |
|---|
| 35 | return, -1 |
|---|
| 36 | ENDIF ELSE iname_file = iname_file[0] |
|---|
| 37 | openr, iunit, iname_file, /get_lun |
|---|
| 38 | ; readf, iunit, FORMAT = '(16x,2i8)', iim, ijm |
|---|
| 39 | ; iim = long(iim) |
|---|
| 40 | ; ijm = long(ijm) |
|---|
| 41 | tmp = '' |
|---|
| 42 | readf, iunit, tmp |
|---|
| 43 | tmp = strsplit(tmp,' ',/extract) |
|---|
| 44 | iim = long(tmp[n_elements(tmp)-2]) |
|---|
| 45 | ijm = long(tmp[n_elements(tmp)-1]) |
|---|
| 46 | ; print, iim, ijm |
|---|
| 47 | ifreq = 40L |
|---|
| 48 | ifin = iim/ifreq+1 |
|---|
| 49 | irest = iim-(ifin-1)*ifreq |
|---|
| 50 | ; print, ifin,irest,ifreq |
|---|
| 51 | zbati = intarr(ifreq) |
|---|
| 52 | zbati2 = intarr(irest) |
|---|
| 53 | zbat = intarr(iim,ijm) |
|---|
| 54 | ; |
|---|
| 55 | readf, iunit, FORMAT = '(/)' |
|---|
| 56 | readf, iunit, FORMAT = '(/)' |
|---|
| 57 | il1 = 0 |
|---|
| 58 | FOR jn = 1, ifin-1 DO BEGIN |
|---|
| 59 | readf, iunit, FORMAT = '(/)' |
|---|
| 60 | readf, iunit, FORMAT = '(/)' |
|---|
| 61 | il2 = min([ iim-1, il1+ifreq-1] ) |
|---|
| 62 | readf, iunit, FORMAT = '(/)' |
|---|
| 63 | readf, iunit, FORMAT = '(/)' |
|---|
| 64 | readf, iunit, FORMAT = '(/)' |
|---|
| 65 | il3 = il2-(jn-1)*ifreq |
|---|
| 66 | iformat = string('(', il3+2, 'i3)') |
|---|
| 67 | ; print,jn,il1,il2,il3,ifreq-1 |
|---|
| 68 | FOR jj = ijm-1, 0, -1 DO BEGIN |
|---|
| 69 | readf, iunit, FORMAT = iformat, ij, zbati |
|---|
| 70 | zbat[il1:il2, jj] = zbati |
|---|
| 71 | ENDFOR |
|---|
| 72 | il1 = il1 + ifreq |
|---|
| 73 | ENDFOR |
|---|
| 74 | readf, iunit, FORMAT = '(/)' |
|---|
| 75 | readf, iunit, FORMAT = '(/)' |
|---|
| 76 | il2 = min([ iim-1, il1+ifreq-1] ) |
|---|
| 77 | readf, iunit, FORMAT = '(/)' |
|---|
| 78 | readf, iunit, FORMAT = '(/)' |
|---|
| 79 | readf, iunit, FORMAT = '(/)' |
|---|
| 80 | il3 = il2-(ifin-1)*ifreq |
|---|
| 81 | iformat = string('(', il3+2, 'i3)') |
|---|
| 82 | ; print, irest-1,il1,il2,il3 |
|---|
| 83 | FOR jj = ijm-1, 0, -1 DO BEGIN |
|---|
| 84 | readf, iunit, FORMAT = iformat, ij, zbati2 |
|---|
| 85 | zbat[il1:il2, jj] = zbati2 |
|---|
| 86 | ENDFOR |
|---|
| 87 | close, iunit |
|---|
| 88 | free_lun, iunit |
|---|
| 89 | ;; |
|---|
| 90 | if keyword_set(zero) then zbat = 0 > zbat |
|---|
| 91 | return, zbat |
|---|
| 92 | end |
|---|
