[2945] | 1 | PRO read_enact, Files, DepRange=DepRange, $ |
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| 2 | NumData=NumData, $ |
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| 3 | OutLats=OutLats, OutLons=OutLons, Instruments=OutInst, $ |
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| 4 | Platform=OutPlatform, $ |
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| 5 | OutDeps=OutDeps, OutSObs=OutSObs, OutSQC=OutSQC, $ |
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| 6 | OutTObs=OutTObs, OutTQC=OutTQC, OutDates=OutDates, $ |
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| 7 | OutTMod=OutTMod, OutSMod=OutSMod, rmdi=rmdi, quiet=quiet, $ |
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| 8 | iobs=outiobs, jobs=outjobs, kobs=outkobs, $ |
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| 9 | ProfileNum=OutProfileNum |
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| 10 | |
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| 11 | ;------------------------------------------------------------------------------------------ |
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| 12 | ;Program to read in data from an ENACT format file containing profile data. |
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| 13 | ; |
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| 14 | ; Inputs: |
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| 15 | ; File => File name to be read in |
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| 16 | ; DepRange => (optional) Range of depths for which the data is to be extracted. |
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| 17 | ; |
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| 18 | ; Outputs: |
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| 19 | ; NumProfs => Number of profiles -Integer |
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| 20 | ; Latitudes => Latitudes(NumProfs) -Real |
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| 21 | ; Longitudes => Longitudes(NumProfs) -Real |
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| 22 | ; Dates => Dates(NumProfs) -Date/time structure. |
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| 23 | ; Instruments => Instrument type (NumProfs) -String |
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| 24 | ; Depths => Depths of each ob (NumProfs) -Real |
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| 25 | ; Salinity => Salinity (psu) (NumProfs) -Real |
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| 26 | ; SalQC => QC flag for salinity (NumProfs) 1=> Good -Int |
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| 27 | ; Temperature => Temperature (deg C) (NumProfs) -Real |
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| 28 | ; TempQC => QC flag for temperature (NumProfs) 1=> Good -Int |
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| 29 | ; ModelT => Model temperature (deg C) (NumProfs) -Real |
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| 30 | ; ModelS => Model salinity (psu) (NumProfs) -Real |
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| 31 | ; rmdi => Missing data indicator -Real |
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| 32 | ; |
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| 33 | ;Author: Matt Martin. 5/10/07. |
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| 34 | ;------------------------------------------------------------------------------------------ |
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| 35 | rmdi = 99999. |
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| 36 | if NOT keyword_set(DepRange) then DepRange=[0.,1.e1] ;Default to top 10 metres. |
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| 37 | NumFiles=n_elements(Files) |
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| 38 | |
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| 39 | ifile2=0 |
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| 40 | for ifile = 0, NumFiles-1 do begin |
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| 41 | File = Files(ifile) |
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| 42 | |
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| 43 | ;1. Open the netcdf file |
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| 44 | ncid = ncdf_open(File, /nowrite) |
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| 45 | if ncid lt 0 and not keyword_set(quiet) then print, 'Error opening file '+File |
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| 46 | if ncid ge 0 then begin |
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| 47 | if not keyword_set(quiet) then print, 'Opened file '+File+' successfully' |
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| 48 | |
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| 49 | ;2. Get info about file |
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| 50 | ncinfo = ncdf_inquire(ncid) |
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| 51 | ; if not keyword_set(quiet) then , ncinfo |
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| 52 | ;3. Read in the relevant dimensions |
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| 53 | for idim = 0, ncinfo.ndims-1 do begin |
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| 54 | ncdf_diminq, ncid, idim, name, dimlen |
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| 55 | if name eq 'N_PROF' then NumProfs = dimlen $ |
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| 56 | else if name eq 'N_LEVELS' then NumLevels = dimlen $ |
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| 57 | else if name eq 'STRING4' then str4 = dimlen |
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| 58 | endfor |
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| 59 | |
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| 60 | ;4. Set up arrays and read in the data |
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| 61 | |
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| 62 | if (NumProfs gt 0) then begin |
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| 63 | JulDays = fltarr(NumProfs) |
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| 64 | Latitudes = fltarr(NumProfs) |
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| 65 | Longitudes = fltarr(NumProfs) |
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| 66 | BytInsts = intarr(4, NumProfs) |
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| 67 | Instruments = strarr(NumProfs) |
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| 68 | Platforms = strarr(NumProfs) |
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| 69 | Instrumentsa = strarr(NumLevels, NumProfs) |
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| 70 | Platformsa = strarr(NumLevels, NumProfs) |
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| 71 | Depths = fltarr(NumLevels, NumProfs) |
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| 72 | Salinity = fltarr(NumLevels, NumProfs) |
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| 73 | SalQC = intarr(NumLevels, NumProfs) |
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| 74 | Temperature = fltarr(NumLevels, NumProfs) |
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| 75 | TempQC = intarr(NumLevels, NumProfs) |
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| 76 | ModelT = fltarr(NumLevels, NumProfs) |
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| 77 | ModelS = fltarr(NumLevels, NumProfs) |
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| 78 | ProfileNum = replicate(1,NumLevels)#indgen(NumProfs) |
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| 79 | |
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| 80 | varid = ncdf_varid(ncid, 'JULD') |
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| 81 | ncdf_varget, ncid, varid, JulDays |
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| 82 | |
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| 83 | ; print,JulDays |
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| 84 | |
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| 85 | ; BaseDate = var_to_dt(1950,1,1) |
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| 86 | ; BaseDate=JULDAY(1,1,1950,0,0) |
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| 87 | BaseDate=double(JULDAY(1,1,1950,0,0)) ;should be at 0 UTC |
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| 88 | ; info,BaseDate |
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| 89 | Dates = replicate(BaseDate, NumLevels,NumProfs) |
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| 90 | ; info,dates |
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| 91 | for iprof = 0L, NumProfs-1 do begin |
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| 92 | secs = JulDays(iprof)* 24. * 60. * 60. |
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| 93 | ; dt = dt_add(BaseDate, second=secs) |
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| 94 | dt=BaseDate+JulDays(iprof) |
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| 95 | ; CALDAT, dt, mon, day, year, hour, minute, second |
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| 96 | ; print,dt-BaseDate, mon, day, year, hour, minute, second |
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| 97 | Dates(0:NumLevels-1,iprof) = replicate(dt,NumLevels) |
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| 98 | endfor |
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| 99 | |
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| 100 | |
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| 101 | |
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| 102 | varid = ncdf_varid(ncid, 'LONGITUDE') |
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| 103 | ncdf_varget, ncid, varid, Longitudes |
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| 104 | |
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| 105 | varid = ncdf_varid(ncid, 'LATITUDE') |
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| 106 | ncdf_varget, ncid, varid, Latitudes |
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| 107 | |
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| 108 | varid = ncdf_varid(ncid, 'DEPH_CORRECTED') |
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| 109 | ncdf_varget, ncid, varid, Depths |
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| 110 | res = ncdf_attinq( ncid, varid , '_FillValue') |
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| 111 | if res.length gt 0 and res.datatype ne "UNKNOWN" then ncdf_attget, ncid, varid, '_FillValue', FillVal $ |
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| 112 | else begin |
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| 113 | res = ncdf_attinq( ncid, varid , '_fillvalue') |
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| 114 | ncdf_attget, ncid, varid, '_fillvalue', FillVal |
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| 115 | endelse |
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| 116 | pts = where(Depths eq FillVal, count) |
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| 117 | if count gt 0 then Depths(pts) = rmdi |
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| 118 | |
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| 119 | ; if keyword_set(Salinity) then begin |
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| 120 | varid = ncdf_varid(ncid, 'PSAL_CORRECTED') |
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| 121 | if (varid ne -1) then begin |
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| 122 | ; if not keyword_set(quiet) then print,'reading psal_corrected' |
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| 123 | ncdf_varget, ncid, varid, Salinity |
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| 124 | res = ncdf_attinq( ncid, varid , '_FillValue') |
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| 125 | if res.length gt 0 and res.datatype ne "UNKNOWN" then ncdf_attget, ncid, varid, '_FillValue', FillVal $ |
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| 126 | else begin |
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| 127 | res = ncdf_attinq( ncid, varid , '_fillvalue') |
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| 128 | ncdf_attget, ncid, varid, '_fillvalue', FillVal |
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| 129 | endelse |
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| 130 | pts = where(Salinity eq FillVal, count) |
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| 131 | if count gt 0 then Salinity(pts) = rmdi |
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| 132 | endif |
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| 133 | varid = ncdf_varid(ncid, 'PSAL_CORRECTED_QC') |
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| 134 | ncdf_varget, ncid, varid, SalQC |
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| 135 | res = ncdf_attinq( ncid, varid , '_FillValue') |
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| 136 | if res.length gt 0 and res.datatype ne "UNKNOWN" then ncdf_attget, ncid, varid, '_FillValue', FillVal $ |
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| 137 | else begin |
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| 138 | res = ncdf_attinq( ncid, varid , '_fillvalue') |
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| 139 | ncdf_attget, ncid, varid, '_fillvalue', FillVal |
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| 140 | endelse |
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| 141 | SalQC = SalQC - 48 |
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| 142 | ; endif |
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| 143 | |
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| 144 | ; if keyword_set(Temperature) then begin |
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| 145 | varid = ncdf_varid(ncid, 'POTM_CORRECTED') |
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| 146 | if (varid ne -1) then begin |
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| 147 | ; if not keyword_set(quiet) then print,'reading potm_corrected' |
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| 148 | ncdf_varget, ncid, varid, Temperature |
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| 149 | res = ncdf_attinq( ncid, varid , '_FillValue') |
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| 150 | if res.length gt 0 and res.datatype ne "UNKNOWN" then ncdf_attget, ncid, varid, '_FillValue', FillVal $ |
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| 151 | else begin |
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| 152 | res = ncdf_attinq( ncid, varid , '_fillvalue') |
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| 153 | ncdf_attget, ncid, varid, '_fillvalue', FillVal |
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| 154 | endelse |
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| 155 | ; if not keyword_set(quiet) then print,'Temp fill value ',fillval |
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| 156 | pts = where(Temperature eq FillVal, count) |
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| 157 | if count gt 0 then Temperature(pts) = rmdi |
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| 158 | endif |
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| 159 | varid = ncdf_varid(ncid, 'POTM_CORRECTED_QC') |
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| 160 | ncdf_varget, ncid, varid, TempQC |
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| 161 | TempQC = TempQC - 48 |
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| 162 | ; endif |
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| 163 | |
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| 164 | ; if keyword_set(OutTMod) then begin |
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| 165 | varid = ncdf_varid(ncid, 'POTM_Hx') |
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| 166 | if (varid ne -1) then begin |
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| 167 | ncdf_varget, ncid, varid, ModelT |
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| 168 | res = ncdf_attinq( ncid, varid , '_FillValue') |
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| 169 | if res.length gt 0 and res.datatype ne "UNKNOWN" then ncdf_attget, ncid, varid, '_FillValue', FillVal $ |
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| 170 | else begin |
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| 171 | res = ncdf_attinq( ncid, varid , '_fillvalue') |
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| 172 | ncdf_attget, ncid, varid, '_fillvalue', FillVal |
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| 173 | endelse |
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| 174 | pts = where(ModelT eq FillVal, count) |
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| 175 | if count gt 0 then ModelT(pts) = rmdi |
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| 176 | endif else begin |
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| 177 | ModelT=rmdi |
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| 178 | endelse |
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| 179 | ; endif |
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| 180 | |
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| 181 | ; if keyword_set(OutSMod) then begin |
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| 182 | varid = ncdf_varid(ncid, 'PSAL_Hx') |
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| 183 | if (varid ne -1) then begin |
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| 184 | ncdf_varget, ncid, varid, ModelS |
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| 185 | res = ncdf_attinq( ncid, varid , '_FillValue') |
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| 186 | if res.length gt 0 and res.datatype ne "UNKNOWN" then ncdf_attget, ncid, varid, '_FillValue', FillVal $ |
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| 187 | else begin |
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| 188 | res = ncdf_attinq( ncid, varid , '_fillvalue') |
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| 189 | ncdf_attget, ncid, varid, '_fillvalue', FillVal |
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| 190 | endelse |
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| 191 | pts = where(ModelS eq FillVal, count) |
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| 192 | if count gt 0 then ModelS(pts) = rmdi |
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| 193 | endif else begin |
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| 194 | ModelS=rmdi |
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| 195 | endelse |
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| 196 | ; endif |
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| 197 | |
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| 198 | varid = ncdf_varid(ncid, 'WMO_INST_TYPE') |
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| 199 | ncdf_varget, ncid, varid, BytInsts |
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| 200 | |
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| 201 | pts = where(BytInsts(0,*) eq 32 and $ |
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| 202 | BytInsts(1,*) eq 56 and $ |
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| 203 | BytInsts(2,*) eq 50 and $ |
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| 204 | BytInsts(3,*) eq 48, count) |
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| 205 | if count gt 0 then Instruments(pts) = 'BUOYS' ; 820 |
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| 206 | |
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| 207 | pts = where(BytInsts(0,*) eq 32 and $ |
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| 208 | BytInsts(1,*) eq 52 and $ |
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| 209 | BytInsts(2,*) eq 48 and $ |
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| 210 | BytInsts(3,*) eq 49, count) |
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| 211 | if count gt 0 then Instruments(pts) = 'XBT' ; 401 |
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| 212 | |
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| 213 | pts = where(BytInsts(0,*) eq 32 and $ |
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| 214 | BytInsts(1,*) eq 55 and $ |
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| 215 | BytInsts(2,*) eq 52 and $ |
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| 216 | BytInsts(3,*) eq 49, count) |
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| 217 | if count gt 0 then Instruments(pts) = 'TESAC' ; 741 |
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| 218 | |
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| 219 | pts = where(BytInsts(0,*) eq 32 and $ |
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| 220 | BytInsts(1,*) eq 56 and $ |
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| 221 | BytInsts(2,*) eq 51 and $ |
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| 222 | BytInsts(3,*) eq 49, count) |
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| 223 | if count gt 0 then Instruments(pts) = 'ARGO' ; 831 |
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| 224 | |
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| 225 | pts = where(Instruments eq '', count) |
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| 226 | if count gt 0 then Instruments(pts) = 'UNKNOWN' |
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| 227 | |
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| 228 | varid = ncdf_varid(ncid, 'PLATFORM_NUMBER') |
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| 229 | ncdf_varget, ncid, varid, platforms |
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| 230 | platforms=string(platforms) |
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| 231 | |
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| 232 | for i=0,numlevels-1 do begin |
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| 233 | platformsa(i,*)=platforms |
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| 234 | instrumentsa(i,*)=instruments |
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| 235 | endfor |
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| 236 | |
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| 237 | varid = ncdf_varid(ncid, 'IOBS') |
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| 238 | if (varid ne -1) then ncdf_varget, ncid, varid, iobsval |
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| 239 | |
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| 240 | varid = ncdf_varid(ncid, 'JOBS') |
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| 241 | if (varid ne -1) then ncdf_varget, ncid, varid, jobsval |
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| 242 | |
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| 243 | varid = ncdf_varid(ncid, 'KOBS') |
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| 244 | if (varid ne -1) then ncdf_varget, ncid, varid, kobsval |
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| 245 | |
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| 246 | ;Select those obs in the required depth range |
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| 247 | ; Lats = replv(Latitudes(*), [NumLevels,NumProfs],1) |
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| 248 | ; Lons = replv(Longitudes(*), [NumLevels,NumProfs],1) |
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| 249 | |
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| 250 | Lons=fltarr(NumLevels,NumProfs) |
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| 251 | Lats=fltarr(NumLevels,NumProfs) |
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| 252 | iobs=fltarr(NumLevels,NumProfs) |
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| 253 | jobs=fltarr(NumLevels,NumProfs) |
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| 254 | |
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| 255 | for i=0L,NumProfs-1 do begin |
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| 256 | Lats(*,i)=Latitudes(i) |
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| 257 | Lons(*,i)=Longitudes(i) |
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| 258 | if (n_elements(iobsval) gt 0) then $ |
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| 259 | iobs(*,i)=iobsval(i) |
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| 260 | if (n_elements(jobsval) gt 0) then $ |
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| 261 | jobs(*,i)=jobsval(i) |
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| 262 | endfor |
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| 263 | |
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| 264 | pts = where(Depths ge DepRange(0) and Depths le DepRange(1), NumData) |
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| 265 | |
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| 266 | if ifile2 eq 0 then begin |
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| 267 | OutTObs = [Temperature(pts)] |
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| 268 | OutSObs = [Salinity(pts)] |
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| 269 | OutTMod = [ModelT(pts)] |
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| 270 | OutSMod = [ModelS(pts)] |
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| 271 | OutTQC = [TempQC(pts)] |
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| 272 | OutSQC = [SalQC(pts)] |
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| 273 | OutDeps = [Depths(pts)] |
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| 274 | OutLats = [Lats(pts)] |
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| 275 | OutLons = [Lons(pts)] |
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| 276 | OutDates= [Dates(pts)] |
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| 277 | OutInst= [Instrumentsa(pts)] |
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| 278 | OutPlatform= [Platformsa(pts)] |
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| 279 | OutProfileNum = [ProfileNum(pts)] |
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| 280 | if (n_elements(iobsval) gt 0) then outiobs = [iobs(pts)] |
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| 281 | if (n_elements(jobsval) gt 0) then outjobs = [jobs(pts)] |
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| 282 | if (n_elements(kobsval) gt 0) then outkobs = [kobsval(pts)] |
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| 283 | |
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| 284 | endif else begin |
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| 285 | OutTObs = [OutTObs,Temperature(pts)] |
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| 286 | OutSObs = [OutSObs,Salinity(pts)] |
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| 287 | OutTMod = [OutTMod,ModelT(pts)] |
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| 288 | OutSMod = [OutSMod,ModelS(pts)] |
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| 289 | OutTQC = [OutTQC,TempQC(pts)] |
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| 290 | OutSQC = [OutSQC,SalQC(pts)] |
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| 291 | OutDeps = [OutDeps,Depths(pts)] |
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| 292 | OutLats = [OutLats,Lats(pts)] |
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| 293 | OutLons = [OutLons,Lons(pts)] |
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| 294 | OutDates= [OutDates,Dates(pts)] |
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| 295 | OutInst= [OutInst,Instrumentsa(pts)] |
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| 296 | OutPlatform = [OutPlatform, Platformsa(pts)] |
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| 297 | OutProfileNum = [OutProfileNum, ProfileNum(pts)] |
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| 298 | if (n_elements(iobsval) gt 0) then outiobs = [outiobs, iobs(pts)] |
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| 299 | if (n_elements(jobsval) gt 0) then outjobs = [outjobs, jobs(pts)] |
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| 300 | if (n_elements(kobsval) gt 0) then outkobs = [outkobs, kobsval(pts)] |
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| 301 | |
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| 302 | endelse |
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| 303 | |
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| 304 | ifile2=ifile2+1 |
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| 305 | endif |
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| 306 | ncdf_close, ncid |
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| 307 | |
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| 308 | |
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| 309 | endif |
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| 310 | |
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| 311 | endfor ;ifile |
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| 312 | |
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| 313 | END |
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