C**********************************************************************C C This version of the ISCCP DX read software is for use c with the Portland Group Compiler on a Linux machine c only. This code will swap the bytes as needed. c Rev. July 2001 c C**********************************************************************C C**********************************************************************C C* DXREAD MODULE: SUBROUTINES TO READ DX DATA FROM A DX FILE *C C*--------------------------------------------------------------------*C C* CONTENTS: SUBROUTINE DRIVER SAMPLE MAIN PROGRAM FOR DXREAD *C C* SUBROUTINE DXTABS SET UP DX UNPACKING TABLES *C C* SUBROUTINE DXOPEN OPEN A DX FILE *C C* SUBROUTINE DXREAD READ A DX PIXEL *C C* BLOCK DATA DATA FOR CONVERSION TABLES *C C* *C C* NOTE 1: CPU TIME CAN BE DECREASED BY COMMENTING OUT THE PARTS *C C* OF DXREAD THAT UNPACK VARIABLES THAT YOU ARE NOT INTERESTED IN. *C C* C* SGI users: C* change recl=lrecl to recl=lrecl/4 in open statement C* DEC users C* change recl=lrecl to recl=lrecl/4 in open statement C* add convert='little_endian' to open statement C* change each occurance of chars(4) to chars(1) C**********************************************************************C C**********************************************************************C C**********************************************************************C C* C* S U B R O U T I N E D R I V E R C* *C C*--------------------------------------------------------------------*C C* THIS IS A SAMPLE MAIN PROGRAM ILLUSTRATING THE USE OF THE DXTABS, *C C* DXOPEN AND DXREAD ROUTINES. FIRST CALL DXTABS TO SET UP THE *C C* TABLES USED TO UNPACK BIT-PACKED DATA. THEN CALL DXOPEN TO OPEN *C C* THE FILE AND READ THE HEADER INFORMATION. HEADER VARIABLES THAT *C C* IDENTIFY THE IMAGE ARE RETURNED IN THE COMMON BLOCK "HEADER". *C C* TO READ THE IMAGE DATA, LOOP OVER PIXELS *C C* AND CALL DXREAD TO UNPACK ONE PIXEL AT A TIME. THE DATA VALUES *C C* FOR THE PIXEL ARE RETURNED IN THE COMMON BLOCK "DXDATA" AS *C C* INTEGERS. FOR PHYSICAL VALUES, APPLY THE APPROPRIATE CONVERSION *C C* TO THE INTEGER COUNT VALUE. *C C* THE MAPPED LOCATION, AND LATITUDE/LONGITUDE OF THE PIXEL ARE *C C* RETURNED IN COMMON BLOCK "LOCATE". CONTINUE CALLING DXREAD *C C* UNTIL THE END-OF-IMAGE CONDITION IS REACHED. *C C**********************************************************************C C**********************************************************************C C**********************************************************************C cc SUBROUTINE DRIVER C*--------------------------------------------------------------------*C C* COMMON BLOCK "HEADER" CONTENTS C*--------------------------------------------------------------------*C C* YEAR YEAR (1983-PRESENT) C* MONTH MONTH (1-12) C* DAY DAY (1-31) C* GMT GMT (00,03,06,09,12,15,18,21) C* SATID CODE NUMBER THAT IDENTIFIES THE SATELLITE (1-99) C* SATTYP CODE NUMBER INDICATING SATELLITE TYPE (0-8), -1 IS SUBSET C* NCHANS NUMBER OF CHANNELS PRESENT (1-5) C* NITIMG IMAGE LEVEL DAY/NIGHT FLAG (0-1), 1=ENTIRE IMAGE IS NIGHT C*--------------------------------------------------------------------*C COMMON /HEADER/ YEAR,MONTH,DAY,GMT,SATID,SATTYP,NCHANS,NITIMG $ ,B3VERS CHARACTER*8 B3VERS INTEGER YEAR,MONTH,DAY,GMT,SATID,SATTYP,NCHANS,NITIMG C*--------------------------------------------------------------------*C C* COMMON BLOCK "LOCATE" CONTENTS C*--------------------------------------------------------------------*C C* LON LONGITUDE (0-3600) C* LAT LATITUDE (0-1800) C* IPOS I-POSITION ON MAP PROJECTION (1-1440) C* JPOS J-POSITION ON MAP PROJECTION (1-550) C*--------------------------------------------------------------------*C COMMON /LOCATE/ LON,LAT,IPOS,JPOS INTEGER LON,LAT,IPOS,JPOS C*--------------------------------------------------------------------*C C* COMMON BLOCK "DXDATA" CONTENTS (UNDEFINED=255, CT=COUNTS) C*--------------------------------------------------------------------*C C* LNDWTR LAND/WATER FLAG (0-1): 1 = WATER PIXEL C* HITOPO TOPOGRAPHY FLAG (0-1): 1 = HIGH TOPOGRAPHY PIXEL C* SNOICE SNOW/ICE CODE (0-3) C* OCEAN PIXEL LAND PIXEL C* 0 NONE NONE C* 1 PARTIAL ICE LAND ICE C* 2 FULL ICE FULL SNOW C* 3 ICE MARGIN MARGIN C* MUE COSINE OF SATELLITE ANGLE * 100 (0-100) C* IRAD IR RADIANCE (0-254 CT) C* ARAD(3) UP TO 3 ADDITIONAL CHANNEL RADIANCES (0-254 CT) C* GLINT GLINT FLAG (0-1): 1 = GLINT CONDITION EXISTS C* MU0 COSINE OF SUN ANGLE * 100 (0-100) C* PHI RELATIVE AZIMUTH ANGLE (0-180 DEG) C* VRAD VIS RADIANCE (0-254 CT) C* DAYNIT DAY/NIGHT FLAG (0-1): 1 = NIGHT PIXEL (NO VIS RETRIEVALS) C* ITHR IR THRESHOLD RESULT (0-5) C* VTHR VIS THRESHOLD RESULT (0-5) C* SHORE SHORE FLAG (0-1): 1 = SHORE PIXEL C* ICSRAD IR CLEAR SKY COMPOSITE RADIANCE (0-254 CT) C* ITMP IR RETRIEVED CLOUD TOP OR SURFACE TEMPERATURE (0-254 CT) C* IPRS IR RETRIEVED CLOUD TOP PRESSURE (0-254 CT) C* ICSTMP IR RETRIEVED CLEAR SKY COMPOSITE TEMPERATURE (0-254 CT) C* ICSPRS IR RETRIEVED CLEAR SKY COMPOSITE PRESSURE (0-254 CT) C* NREF NI REFLECTIVITY (NOAA CHANNEL 3) (0-254 CT) C* NTHR NI THRESHOLD RESULT (NOAA CHANNEL 3) (0-15) C* NCSREF NI CLEAR SKY COMPOSITE REFLECTANCE (NOAA CHANNEL 3)(0-254 CT) C* VCSRAD VIS CLEAR SKY COMPOSITE RADIANCE (0-254 CT) C* VALBTA VIS RETRIEVED CLOUD TAU OR SURFACE ALBEDO (0-254 CT) C* VCSALB VIS RETRIEVED CLEAR SKY COMPOSITE ALBEDO (0-254 CT) C* VTMP VIS ADJUSTED CLOUD TOP TEMPERATURE (0-254 CT) C* VPRS VIS ADJUSTED CLOUD TOP PRESSURE (0-254 CT) C* VTAUIC VIS RETRIEVED ICE CLOUD TAU (0-254 CT) C* VTMPIC VIS RETRIEVED ICE CLOUD TOP TEMPERATURE (0-254 CT) C* VPRSIC VIS RETRIEVED ICE CLOUD TOP PRESSURE (0-254 CT) C* CLOUD CLOUD FLAG (0-1): 1 = CLOUDY PIXEL C*--------------------------------------------------------------------*C COMMON /DXDATA/ LNDWTR,HITOPO,SNOICE,MUE,IRAD $ ,ARAD,GLINT,MU0,PHI,VRAD,DAYNIT,ITHR,VTHR,SHORE $ ,ICSRAD,ITMP,IPRS,ICSTMP,ICSPRS,NREF,NTHR $ ,NCSREF,VCSRAD,VALBTA,VCSALB,VTMP,VPRS,VTAUIC $ ,VTMPIC,VPRSIC,CLOUD INTEGER LNDWTR,HITOPO,SNOICE,MUE,IRAD $ ,ARAD(3),GLINT,MU0,PHI,VRAD,DAYNIT,ITHR,VTHR,SHORE $ ,ICSRAD,ITMP,IPRS,ICSTMP,ICSPRS,NREF,NTHR $ ,NCSREF,VCSRAD,VALBTA,VCSALB,VTMP,VPRS,VTAUIC $ ,VTMPIC,VPRSIC,CLOUD C*--------------------------------------------------------------------*C C* FUNCTION DECLARATIONS C*--------------------------------------------------------------------*C INTEGER DXOPEN, DXREAD C*--------------------------------------------------------------------*C C* TABLES TO CONVERT FROM INTEGER COUNTS TO PHYSICAL VALUES C*--------------------------------------------------------------------*C PARAMETER ( MAXCNT = 255 ) COMMON /CNTTAB/ TMPTAB(0:MAXCNT),PRETAB(0:MAXCNT) $ ,RFLTAB(0:MAXCNT),TAUTAB(0:MAXCNT) C??????????? C* DX PIXEL DATA - INTERNAL USE ONLY COMMON /DXHIDE/ NODAY,BXSHOR,TIMSPA,ICSLOG,BXITHR,BXICSR $ ,VCSLOG,BXVTHR,BXVCSR,IRET,ICSRET,VRET,VCSRET,NDXBYT,DXBYT INTEGER NODAY,BXSHOR,TIMSPA,ICSLOG,BXITHR,BXICSR $ ,VCSLOG,BXVTHR,BXVCSR,IRET,ICSRET,VRET,VCSRET,NDXBYT PARAMETER ( MAXDX = 32 ) CHARACTER*1 DXBYT(MAXDX) C??????????? C*--------------------------------------------------------------------*C C* INIT *C C*--------------------------------------------------------------------*C LUNDX = 10 CALL DXTABS C*--------------------------------------------------------------------*C C* OPEN THE FILE *C C*--------------------------------------------------------------------*C IRC = DXOPEN(LUNDX) IF ( IRC .NE. 0 ) GOTO 90 PRINT 9,YEAR,MONTH,DAY,GMT,SATID,SATTYP,NCHANS,NITIMG 9 FORMAT(1X,'HEADER: YEAR',I5,' MONTH',I3,' DAY',I3,' GMT',I3, $ ' SATID',I3,' SATTYP',I2,' NCHANS',I2,' NITIMG',I3) IF ( SATTYP .LT. 0 ) THEN PRINT *,'THIS IS A SUBSET FILE, IPOS AND JPOS NOT USABLE' END IF C*--------------------------------------------------------------------*C C* LOOP OVER PIXELS *C C*--------------------------------------------------------------------*C ICTPIX = 0 20 CONTINUE IRC = DXREAD(LUNDX) IF ( IRC .NE. 0 ) GOTO 90 ICTPIX = ICTPIX + 1 C*--------------------------------------------------------------------*C C* PRINT SOME VALUES *C C*--------------------------------------------------------------------*C C PRINT *,LON,LAT,IPOS,JPOS IF ( DAYNIT .EQ. 0 ) THEN IF ( MU0 .EQ. 255 ) PRINT *,'BAD',IPOS,JPOS,MU0 END IF IF ( IPOS .EQ. 340.AND. JPOS .EQ. 161) THEN PRINT *,'NDXBYT',NDXBYT,(ICHAR(DXBYT(I)),I=1,NDXBYT) PRINT *,'LON LAT IPOS JPOS',LON,LAT,IPOS,JPOS PRINT *,'1 ',NODAY,BXSHOR,LNDWTR,HITOPO,SNOICE,TIMSPA PRINT *,'2 ',ICSLOG,BXITHR PRINT *,'3 ',MUE PRINT *,'4 ',IRAD,TMPTAB(IRAD) PRINT *,'5 ',BXICSR,TMPTAB(BXICSR) PRINT *,'6-8',ARAD PRINT *,'9 ',GLINT,VCSLOG,BXVTHR PRINT *,'10 ',MU0 PRINT *,'11 ',PHI PRINT *,'12 ',VRAD,RFLTAB(VRAD) PRINT *,'13 ',BXVCSR,RFLTAB(BXVCSR) PRINT *,'14 ',DAYNIT,ITHR,VTHR,SHORE PRINT *,'15 ',IRET,ICSRET PRINT *,'16 ',ICSRAD,TMPTAB(ICSRAD) PRINT *,'17 ',ITMP,TMPTAB(ITMP) PRINT *,'18 ',IPRS,PRETAB(IPRS) PRINT *,'19 ',ICSTMP,TMPTAB(ICSTMP) PRINT *,'20 ',ICSPRS,PRETAB(ICSPRS) PRINT *,'21 ',NREF,RFLTAB(NREF) PRINT *,'22 ',NTHR PRINT *,'23 ',NCSREF,RFLTAB(NCSREF) PRINT *,'24 ',VRET,VCSRET PRINT *,'25 ',VCSRAD,RFLTAB(VCSRAD) PRINT *,'26 ',VALBTA,RFLTAB(VALBTA),TAUTAB(VALBTA) PRINT *,'27 ',VCSALB,RFLTAB(VCSALB) PRINT *,'28 ',VTMP,TMPTAB(VTMP) PRINT *,'29 ',VPRS,PRETAB(VPRS) PRINT *,'30 ',VTAUIC,TAUTAB(VTAUIC) PRINT *,'31 ',VTMPIC,TMPTAB(VTMPIC) PRINT *,'32 ',VPRSIC,PRETAB(VPRSIC) PRINT *,'CLD',CLOUD END IF C*--------------------------------------------------------------------*C C* END OF PIXEL LOOP *C C*--------------------------------------------------------------------*C GOTO 20 C*--------------------------------------------------------------------*C C* END OF FILE *C C*--------------------------------------------------------------------*C 90 CONTINUE PRINT *,'ICTPIX=',ICTPIX STOP END C**********************************************************************C C**********************************************************************C C**********************************************************************C C* *C C* S U B R O U T I N E D X T A B S *C C* *C C*--------------------------------------------------------------------*C C* DESCRIPTION: *C C* THIS SUBROUTINE SETS UP LOOK-UP TABLES USED FOR UNPACKING THE *C C* DATA. IT IS CALLED ONLY ONCE, AT THE BEGINNING OF EXECUTION. *C C* THE TABLES TAKE AN INTEGER INDEX AND RETURN SELECTED BITS AS *C C* AN INTEGER VALUE. *C C* ARGUMENTS: *C C* NONE *C C* RETURN CODES: *C C* NONE *C C**********************************************************************C C**********************************************************************C C**********************************************************************C SUBROUTINE DXTABS COMMON /DXTAB/ NITTAB,GLNTAB,SHRTAB,LNDTAB,TOPTAB,CLSTAB,SNITAB $ ,IFLTAB,THRTAB,ANGTAB,VFLTAB,ITHRTB,VTHRTB,DRETAB,CRETAB $ ,NSHTAB INTEGER NITTAB(0:255),GLNTAB(0:255),SHRTAB(0:255) $ ,LNDTAB(0:255),TOPTAB(0:255),CLSTAB(0:255),SNITAB(0:255) $ ,IFLTAB(0:255),THRTAB(0:255),ANGTAB(0:255),VFLTAB(0:255) $ ,ITHRTB(0:255),VTHRTB(0:255),DRETAB(0:255),CRETAB(0:255) $ ,NSHTAB(0:255) DO 200 IVAL = 0,255 NITTAB(IVAL) = IAND(IVAL,128) / 128 GLNTAB(IVAL) = NITTAB(IVAL) SHRTAB(IVAL) = IAND(IVAL,64) / 64 LNDTAB(IVAL) = IAND(IVAL,32) / 32 TOPTAB(IVAL) = IAND(IVAL,16) / 16 CLSTAB(IVAL) = IAND(IVAL,2+1) SNITAB(IVAL) = IAND(IVAL,8+4) / 4 IFLTAB(IVAL) = IAND(IVAL,128+64+32+16+8) / 8 THRTAB(IVAL) = IAND(IVAL,4+2+1) ANGTAB(IVAL) = IAND(IVAL,64+32+16+8+4+2+1) VFLTAB(IVAL) = IAND(IVAL,64+32+16+8) / 8 ITHRTB(IVAL) = IAND(IVAL,64+32+16) / 16 VTHRTB(IVAL) = IAND(IVAL,8+4+2) / 2 DRETAB(IVAL) = IAND(IVAL,128+64+32+16) / 16 CRETAB(IVAL) = IAND(IVAL,8+4+2+1) NSHTAB(IVAL) = IAND(IVAL,1) 200 CONTINUE RETURN END C**********************************************************************C C**********************************************************************C C**********************************************************************C C* *C C* F U N C T I O N D X O P E N *C C* *C C*--------------------------------------------------------------------*C C* DESCRIPTION: *C C* THIS FUNCTION OPENS A DX FILE, READS AND UNPACKS THE IMAGE *C C* HEADER, AND INITIALIZES IMAGE VARIABLES. IT IS CALLED ONCE *C C* FOR EACH IMAGE. *C C* ARGUMENTS: *C C* LUNIN FORTRAN LOGICAL UNIT ATTACHED TO DX FILE *C C* RETURN CODES: *C C* DXOPEN 0 = SUCCESS *C C* -1 = FAILURE *C C*--------------------------------------------------------------------*C C* THE FIRST RECORD IN A DX IMAGE FILE IS THE HEADER RECORD. *C C* THE HEADER RECORD CONTAINS 384 80-CHARACTER LINES OF ASCII TEXT. *C C* *C C* THE FIRST 80-CHAR LINE CONTAINS THE FOLLOWING: *C C* *C C* HDLINE(1) = YEAR,MONTH,DAY,GMT,SATID,SATTYP,NCHANS,NITIMG *C C* YEAR,MONTH,DAY = image date *C C* GMT = image GMT (0,3,6,9,12,15,18,21) *C C* SATID = code number to identify satellite *C C* SATTYP = 0 Geo-stationary, 1-4 Polar (S,N.A,D) *C C* NCHANS = number of channels present *C C* NITIMG = 1 if image is entirely night-time *C C* *C C* THE REST OF LINES CONTAIN THE FOLLOWING: *C C* *C C* HDLINE(2) = Production run date *C C* HDLINE(3) = Production run time *C C* HDLINE(4) = Input (B3) sequence and version (SSSS.V) *C C* HDLINE(5-100) = Blank *C C* HDLINE(101-135) = Title,units,format for the 39 DXDATA variables*C C* HDLINE(136-384) = Blank *C C**********************************************************************C C**********************************************************************C C**********************************************************************C INTEGER FUNCTION DXOPEN(LUNIN) PARAMETER ( LRECL = 30720 ) C* IMAGE HEADER COMMON /HEADER/ YEAR,MONTH,DAY,GMT,SATID,SATTYP,NCHANS,NITIMG $ ,B3VERS CHARACTER*8 B3VERS INTEGER YEAR,MONTH,DAY,GMT,SATID,SATTYP,NCHANS,NITIMG C* DX IMAGE HEADER COMMON /DXHEAD/ HDLINE CHARACTER*80 HDLINE(384),EBCLIN C* DX FILE INFO COMMON /DXFILE/ IREC,IPIX,IWEST,IEAST,INORTH,ISOUTH,NPIX,IOUT $ ,INPBYT,BXADDL INTEGER IREC,IWEST,IEAST,INORTH,ISOUTH,NPIX,IOUT $ ,INPBYT,BXADDL C*--------------------------------------------------------------------*C C* READ DX IMAGE HEADER *C C*--------------------------------------------------------------------*C IREC = 1 C* CMS/MVS BEGIN c READ(LUNIN,IOSTAT=IRC) HDLINE c DO 100 I=1,384 c CALL EBCDIC(HDLINE(I),80,EBCLIN) c HDLINE(I) = EBCLIN C PRINT *,HDLINE(I) c 100 CONTINUE C* CMS/MVS END C* UNIX/AIX BEGIN C IBM OPEN(UNIT=LUNIN,ACCESS='DIRECT',RECL=LRECL,FORM='UNFORMATTED') C SGI C OPEN(UNIT=LUNIN,ACCESS='DIRECT',RECL=LRECL/4,FORM='UNFORMATTED') C DEC C OPEN(UNIT=LUNIN,ACCESS='DIRECT',RECL=LRECL/4,FORM='UNFORMATTED', C $ CONVERT=LITTLE_ENDIAN') C also must change each occurance of CHARS(1) to chars(1) READ(LUNIN,REC=IREC,IOSTAT=IRC) HDLINE C* UNIX/AIX END IF ( IRC .NE. 0 ) GOTO 900 C*--------------------------------------------------------------------*C C* DECODE IMAGE HEADER LINE 1 *C C*--------------------------------------------------------------------*C READ(UNIT=HDLINE(1),FMT='(8I10)') YEAR,MONTH,DAY,GMT,SATID $ ,SATTYP,NCHANS,NITIMG BXADDL = NCHANS - 2 B3VERS = HDLINE(4)(1:8) C*--------------------------------------------------------------------*C C* INITIALIZE RECORD VARIABLES *C C*--------------------------------------------------------------------*C NPIX = 0 IPIX = 0 IOUT = 0 INPBYT = 0 IWEST = 0 IEAST = 0 INORTH = 0 ISOUTH = 0 C*--------------------------------------------------------------------*C C* RETURN SUCCESS *C C*--------------------------------------------------------------------*C DXOPEN = 0 RETURN C*--------------------------------------------------------------------*C C* RETURN FAILURE *C C*--------------------------------------------------------------------*C 900 CONTINUE PRINT *,'IMAGE DOES NOT EXIST' DXOPEN = -1 RETURN END C**********************************************************************C C**********************************************************************C C**********************************************************************C C* *C C* F U N C T I O N D X R E A D *C C* *C C*--------------------------------------------------------------------*C C* DESCRIPTION: *C C* THIS FUNCTION UNPACKS DX DATA RECORDS ONE PIXEL AT A TIME, *C C* READING ADDITIONAL RECORDS WHEN NECESSARY. IT IS CALLED ONCE *C C* FOR EACH PIXEL. TO READ THE ENTIRE IMAGE, IT IS CALLED *C C* REPEATEDLY, UNTIL THE END-OF-IMAGE CONDITION IS REACHED. *C C* ARGUMENTS: *C C* LUNIN FORTRAN LOGICAL UNIT ATTACHED TO DX FILE *C C* RETURN CODES: *C C* DXREAD 0 = SUCCESS *C C* -1 = REACHED END OF IMAGE *C C*--------------------------------------------------------------------*C C* THERE ARE A VARIABLE NUMBER OF DATA RECORDS IN EACH DX IMAGE. *C C* EACH RECORD CONTAINS PACKED BINARY PIXEL DATA AS FOLLOWS: *C C* I*4 IWEST Western-most longitude (0-3600 degrees*10) C* I*4 IEAST Eastern-most longitude (0-3600 degrees*10) C* I*4 INORTH Northern-most latitude (0-1800 degrees*10) C* I*4 ISOUTH Southern-most latitude (0-1800 degrees*10) C* I*4 NPIX Number of pixels C* I*4 IOUT Number of bytes in packed data BUFFER C* I*2 LONBUF(NPIX) Longitudes for NPIX pixels (0-3600 degrees*10) C* I*2 LATBUF(NPIX) Latitudes for NPIX pixels (0-1800 degrees*10) C* I*2 XBUF(NPIX) X-positions for NPIX pixels (1-1440) C* I*2 YBUF(NPIX) Y-positions for NPIX pixels (1-550) C* I*1 BUFFER(IOUT) Packed data for NPIX pixels C* remainder of record is filled with I*1 255 values. C* C* THE CONTENTS OF THE BUFFER AS IT IS UNPACKED ARE AS FOLLOWS: C* C* NOTE 1: Numbers on the left identify the byte number from 1 to 37. C* This is the MAXIMUM number of bytes that a pixel can have. Not all C* bytes are present for all pixels. C* C* NOTE 2: Variables marked with "*" are part of the data set but are n C* returned in common block DXDATA because they are for internal use C* only. They are kept in common block DXHIDE instead. C* C* DATA SECTION 1 - pixel ident. satellite angle, IR cloud detection C* 1. NODAY,BXSHOR,LNDWTR,HITOPO,SNOICE,TIMSPA (N,B,L,H,SS,TT) C* *NODAY : BX day/night flag (0-1), 1 = day sect. 2,4 not present C* *BXSHOR : BX shore flag (0-1), 1 = shore pixel C* LNDWTR : Land/water flag (0-1), 1 = water pixel C* HITOPO : Topography flag (0-1), 1 = high topography pixel C* SNOICE : Snow/ice code (0-3) C* *TIMSPA : Time/space test result (0-3) C* 2. ICSLOG,BXITHR (IIIII,BBB) C* *ICSLOG : IR clear sky composite logic code (0-24) C* *BXITHR : BX IR threshold result ()-5) C* 3. MUE : Cosine of satellite angle * 100 (0-100) C* 4. IRAD : IR radiance (0-254 ct) C* 5.*BXICSR : BX IR clear sky radiance (0-254 ct) C* If image header says additional chans are present (BXADDL>0) then: C* 6. ARAD(1) : First additional channel radiance (0-254 ct) C* 7. ARAD(2) : Second additional channel radiance (0-254 ct) C* 8. ARAD(3) : Third additional channel radiance (0-254 ct) C* C* DATA SECTION 2 - sun angles, VIS cloud detection C* if NODAY = 0 (day sections present) then: C* 9. GLINT,VCSLOG,BXVTHR (G,VVVV,BBB) C* GLINT : Glint flag (0-1), 1 = glint condition exists C* *VCSLOG : VIS clear sky composite logic code (0-14) C* *BXVTHR : BX VIS threshold result C*10. MU0 : Cosine of sun angle * 100 (0-100) C*11. PHI : Relative azimuth angle (0-180 degrees) C*12. VRAD : VIS radiance (0-254 ct) C*13.*BXVCSR : BX VIS clear sky radiance (0-254 ct) C* C* DATA SECTION 3 - adjusted cloud detections, IR retrievals, C* additional channel cloud detections C*14. DAYNIT,ITHR,VTHR,SHORE (D,III,VVV,S) C* DAYNIT : Day/night flag (0-1), 1 = night pixel (no VIS retrieva C* ITHR : IR threshold result (0-5) C* VTHR : VIS threshold result (0-5) C* SHORE : Shore flag (0-1), 1 = shore pixel C*15. IRET,ICSRET (IIII,IIII) C* *IRET : IR retrieval code (0-12) C* *ICSRET : IR clear sky composite retrieval code (0-12) C*16. ICSRAD : IR clear sky composite radiance (0-254 ct) C*17. ITMP : IR retrieved cloud top or surface temperature (0-254 c C*18. IPRS : IR retrieved cloud top pressure (0-254 ct) C*19. ICSTMP : IR retrieved clear sky composite temperature (0-254 ct C*20. ICSPRS : IR retrieved clear sky composite pressure (0-254 ct) C* if image header says is polar (SATTYP = 1,2,or -3) then: C*21. NREF : NI reflectivity (NOAA channel 3) (0-254 ct) C*22. NTHR : NI threshold result (NOAA channel 3) (0-254 ct) C*23. NCSREF : NI clear sky composite reflectance (NOAA channel 3) (0 C* C* DATA SECTION 4 - VIS retrievals C* if NODAY = 0 (day sections present) then: C* if DAYNIT = 1 (night, no VIS retrievals) these will all be 255 C*24. VRET,VCSRET (VVVV,VVVV) C* *VRET : VIS retrieval code (0-14) C* *VCSRET : VIS clear sky composite retrieval code (0-14) C*25. VCSRAD : VIS clear sky composite radiance (0-254 ct) C*26. VALBTA : VIS retrieved cloud tau or surface albedo (0-254 ct) C*27. VCSALB : VIS retrieved clear sky composite albedo (0-254 ct) C*28. VTMP : VIS adjusted cloud top temperature (0-254 ct) C*29. VPRS : VIS adjusted cloud top pressure (0-254 ct) C*30. VTAUIC : VIS retrieved ice cloud tau (0-254 ct) C*31. VTMPIC : VIS retrieved ice cloud top temperature (0-254 ct) C*32. VPRSIC : VIS retrieved ice cloud top pressure (0-254 ct) C**********************************************************************C C**********************************************************************C C**********************************************************************C INTEGER FUNCTION DXREAD(LUNIN) C* DX BIT UNPACKING TABLES COMMON /DXTAB/ NITTAB,GLNTAB,SHRTAB,LNDTAB,TOPTAB,CLSTAB,SNITAB $ ,IFLTAB,THRTAB,ANGTAB,VFLTAB,ITHRTB,VTHRTB,DRETAB,CRETAB $ ,NSHTAB INTEGER NITTAB(0:255),GLNTAB(0:255),SHRTAB(0:255) $ ,LNDTAB(0:255),TOPTAB(0:255),CLSTAB(0:255),SNITAB(0:255) $ ,IFLTAB(0:255),THRTAB(0:255),ANGTAB(0:255),VFLTAB(0:255) $ ,ITHRTB(0:255),VTHRTB(0:255),DRETAB(0:255),CRETAB(0:255) $ ,NSHTAB(0:255) C* IMAGE HEADER COMMON /HEADER/ YEAR,MONTH,DAY,GMT,SATID,SATTYP,NCHANS,NITIMG $ ,B3VERS CHARACTER*8 B3VERS INTEGER YEAR,MONTH,DAY,GMT,SATID,SATTYP,NCHANS,NITIMG C* DX FILE INFO COMMON /DXFILE/ IREC,IPIX,IWEST,IEAST,INORTH,ISOUTH,NPIX,IOUT $ ,INPBYT,BXADDL INTEGER IREC,IWEST,IEAST,INORTH,ISOUTH,NPIX,IOUT $ ,INPBYT,BXADDL C* PIXEL LOCATION INFORMATION COMMON /LOCATE/ LON,LAT,IPOS,JPOS INTEGER LON,LAT,IPOS,JPOS C* PIXEL DATA COMMON /DXDATA/ LNDWTR,HITOPO,SNOICE,MUE,IRAD $ ,ARAD,GLINT,MU0,PHI,VRAD,DAYNIT,ITHR,VTHR,SHORE $ ,ICSRAD,ITMP,IPRS,ICSTMP,ICSPRS,NREF,NTHR $ ,NCSREF,VCSRAD,VALBTA,VCSALB,VTMP,VPRS,VTAUIC $ ,VTMPIC,VPRSIC,CLOUD INTEGER LNDWTR,HITOPO,SNOICE,MUE,IRAD $ ,ARAD(3),GLINT,MU0,PHI,VRAD,DAYNIT,ITHR,VTHR,SHORE $ ,ICSRAD,ITMP,IPRS,ICSTMP,ICSPRS,NREF,NTHR $ ,NCSREF,VCSRAD,VALBTA,VCSALB,VTMP,VPRS,VTAUIC $ ,VTMPIC,VPRSIC,CLOUD C* DX PIXEL DATA - INTERNAL USE ONLY COMMON /DXHIDE/ NODAY,BXSHOR,TIMSPA,ICSLOG,BXITHR,BXICSR $ ,VCSLOG,BXVTHR,BXVCSR,IRET,ICSRET,VRET,VCSRET,NDXBYT,DXBYT INTEGER NODAY,BXSHOR,TIMSPA,ICSLOG,BXITHR,BXICSR $ ,VCSLOG,BXVTHR,BXVCSR,IRET,ICSRET,VRET,VCSRET,NDXBYT PARAMETER ( MAXDX = 32 ) CHARACTER*1 DXBYT(MAXDX) C????????????? C* DIAGNOSTIC COUNTERS INTEGER NDCNT(0:1) INTEGER ND2CNT(0:1) C????????????? C* INPUT BUFFER FOR ONE DATA RECORD PARAMETER ( MAXBYT = 30720 - 24 ) CHARACTER*1 BUFFER(MAXBYT) PARAMETER ( MAXPIX = 1535 ) INTEGER*2 LATBUF(MAXPIX),LONBUF(MAXPIX) INTEGER*2 XBUF(MAXPIX),YBUF(MAXPIX) C* CONVERSION TO INTEGER INTEGER*4 ICHAR CHARACTER*1 CHARS(4) EQUIVALENCE ( CHARS(1), ICHAR ) C** LINUX BEGIN INTEGER*2 ILON,ILAT,XCOORD,YCOORD BYTE BWEST(4),BEAST(4),BNORTH(4),BSOUTH(4), + BNPIX(4),BIOUT(4), + BLON(2),BLAT(2),BXCOORD(2),BYCOORD(2), + BYTEBUFFR(30720),BB CHARACTER*1 BBC EQUIVALENCE(BBC, BB) EQUIVALENCE(IWEST, BWEST) EQUIVALENCE(IEAST, BEAST) EQUIVALENCE(INORTH, BNORTH) EQUIVALENCE(ISOUTH, BSOUTH) EQUIVALENCE(NPIX, BNPIX) EQUIVALENCE(IOUT, BIOUT) EQUIVALENCE(ILON, BLON) EQUIVALENCE(ILAT, BLAT) EQUIVALENCE(XCOORD, BXCOORD) EQUIVALENCE(YCOORD, BYCOORD) C** LINUX END C*--------------------------------------------------------------------*C C* READ A NEW DATA RECORD IF BUFFER IS EMPTY *C C*--------------------------------------------------------------------*C ICHAR = 0 IF ( IPIX .EQ. NPIX ) THEN IREC = IREC + 1 C* CMS/MVS BEGIN C READ(LUNIN,IOSTAT=IRC) C $ IWEST,IEAST,INORTH,ISOUTH,NPIX,IOUT C $ ,(LONBUF(I),LATBUF(I),XBUF(I),YBUF(I),I=1,NPIX) C $ ,(BUFFER(I),I=1,IOUT) C* CMS/MVS END C* UNIX/AIX BEGIN C READ(LUNIN,REC=IREC,IOSTAT=IRC) C $ IWEST,IEAST,INORTH,ISOUTH,NPIX,IOUT C $ ,(LONBUF(I),LATBUF(I),XBUF(I),YBUF(I),I=1,NPIX) C $ ,(BUFFER(I),I=1,IOUT) C* UNIX/AIX END C** LINUX BEGIN C Read the first 24 bytes and convert to c IWEST,IEAST,INORTH,ISOUTH,NPIX,IOUT READ(LUNIN, REC=IREC, IOSTAT=IRC) BYTEBUFFR BWEST(4) = BYTEBUFFR(1) BWEST(3) = BYTEBUFFR(2) BWEST(2) = BYTEBUFFR(3) BWEST(1) = BYTEBUFFR(4) BEAST(4) = BYTEBUFFR(5) BEAST(3) = BYTEBUFFR(6) BEAST(2) = BYTEBUFFR(7) BEAST(1) = BYTEBUFFR(8) BNORTH(4) = BYTEBUFFR(9) BNORTH(3) = BYTEBUFFR(10) BNORTH(2) = BYTEBUFFR(11) BNORTH(1) = BYTEBUFFR(12) BSOUTH(4) = BYTEBUFFR(13) BSOUTH(3) = BYTEBUFFR(14) BSOUTH(2) = BYTEBUFFR(15) BSOUTH(1) = BYTEBUFFR(16) BNPIX(4) = BYTEBUFFR(17) BNPIX(3) = BYTEBUFFR(18) BNPIX(2) = BYTEBUFFR(19) BNPIX(1) = BYTEBUFFR(20) BIOUT(4) = BYTEBUFFR(21) BIOUT(3) = BYTEBUFFR(22) BIOUT(2) = BYTEBUFFR(23) BIOUT(1) = BYTEBUFFR(24) J=25 DO 30 I=1,NPIX BLON(2) = BYTEBUFFR(J) BLON(1) = BYTEBUFFR(J+1) LONBUF(I) = ILON BLAT(2) = BYTEBUFFR(J+2) BLAT(1) = BYTEBUFFR(J+3) LATBUF(I) = ILAT BXCOORD(2) = BYTEBUFFR(J+4) BXCOORD(1) = BYTEBUFFR(J+5) XBUF(I) = XCOORD BYCOORD(2) = BYTEBUFFR(J+6) BYCOORD(1) = BYTEBUFFR(J+7) YBUF(I) = YCOORD J=J+8 30 CONTINUE DO 40 I=1,IOUT BB=BYTEBUFFR(J) BUFFER(I)=BBC J=J+1 40 CONTINUE C** LINUX END IF ( IRC .NE. 0 ) GOTO 900 PRINT *,IWEST,IEAST,INORTH,ISOUTH,NPIX,IOUT INPBYT = 0 IPIX = 0 END IF C*--------------------------------------------------------------------*C C* UNPACK ONE PIXEL *C C*--------------------------------------------------------------------*C 200 CONTINUE IPIX = IPIX + 1 CHARS(1) = BUFFER(INPBYT+1) IOFF = INPBYT IPOS = XBUF(IPIX) JPOS = YBUF(IPIX) LAT = LATBUF(IPIX) LON = LONBUF(IPIX) C*--------------------------------------------------------------------*C C* SECTION 1: PIXEL ID, SATELLITE ANGLES, IR CLOUD DETECTION *C C*--------------------------------------------------------------------*C NODAY = NITTAB(ICHAR) C???????????? NDCNT(NODAY) = NDCNT(NODAY) + 1 C???????????? BXSHOR = SHRTAB(ICHAR) LNDWTR = LNDTAB(ICHAR) HITOPO = TOPTAB(ICHAR) SNOICE = SNITAB(ICHAR) TIMSPA = CLSTAB(ICHAR) CHARS(1) = BUFFER(INPBYT+2) ICSLOG = IFLTAB(ICHAR) BXITHR = THRTAB(ICHAR) CHARS(1) = BUFFER(INPBYT+3) MUE = ANGTAB(ICHAR) CHARS(1) = BUFFER(INPBYT+4) IRAD = ICHAR CHARS(1) = BUFFER(INPBYT+5) BXICSR = ICHAR INPBYT = INPBYT + 5 NDXBYT = 5 C* ADDITIONAL CHANNELS IF PRESENT DO 300 ICHAN = 1,BXADDL CHARS(1) = BUFFER(INPBYT+ICHAN) ARAD(ICHAN) = ICHAR 300 CONTINUE DO 305 ICHAN = BXADDL+1,3 ARAD(ICHAN) = 255 305 CONTINUE INPBYT = INPBYT + BXADDL NDXBYT = NDXBYT + BXADDL C*--------------------------------------------------------------------*C C* SECTION 2: SUN ANGLES, VIS CLOUD DETECTION *C C*--------------------------------------------------------------------*C 1300 CONTINUE IF ( NODAY .EQ. 0 ) THEN CHARS(1) = BUFFER(INPBYT+1) GLINT = GLNTAB(ICHAR) VCSLOG = VFLTAB(ICHAR) BXVTHR = THRTAB(ICHAR) CHARS(1) = BUFFER(INPBYT+2) MU0 = ICHAR CHARS(1) = BUFFER(INPBYT+3) PHI = ICHAR CHARS(1) = BUFFER(INPBYT+4) VRAD = ICHAR CHARS(1) = BUFFER(INPBYT+5) BXVCSR = ICHAR INPBYT = INPBYT + 5 NDXBYT = NDXBYT + 5 ELSE GLINT = 255 VCSLOG = 255 BXVTHR = 255 MU0 = 255 PHI = 255 VRAD = 255 BXVCSR = 255 END IF C*--------------------------------------------------------------------*C C* SECTION 3: ADJUSTED CLOUD DETECTIONS, ADDITIONAL CHANNEL CLOUD *C C* DETECTIONS, IR RETRIEVALS *C C*--------------------------------------------------------------------*C CHARS(1) = BUFFER(INPBYT+1) DAYNIT = NITTAB(ICHAR) C?????????????? ND2CNT(DAYNIT) = ND2CNT(DAYNIT) + 1 C?????????????? ITHR = ITHRTB(ICHAR) VTHR = VTHRTB(ICHAR) SHORE = NSHTAB(ICHAR) CHARS(1) = BUFFER(INPBYT+2) IRET = DRETAB(ICHAR) ICSRET = CRETAB(ICHAR) CHARS(1) = BUFFER(INPBYT+3) ICSRAD = ICHAR CHARS(1) = BUFFER(INPBYT+4) ITMP = ICHAR CHARS(1) = BUFFER(INPBYT+5) IPRS = ICHAR CHARS(1) = BUFFER(INPBYT+6) ICSTMP = ICHAR CHARS(1) = BUFFER(INPBYT+7) ICSPRS = ICHAR INPBYT = INPBYT + 7 NDXBYT = NDXBYT + 7 C* POLAR SECTION IF ( SATTYP.EQ.1 .OR. SATTYP.EQ.2 .OR. SATTYP.EQ.-3 ) THEN CHARS(1) = BUFFER(INPBYT+1) NREF = ICHAR CHARS(1) = BUFFER(INPBYT+2) NTHR = CRETAB(ICHAR) CHARS(1) = BUFFER(INPBYT+3) NCSREF = ICHAR INPBYT = INPBYT + 3 NDXBYT = NDXBYT + 3 ELSE NREF = 255 NTHR = 0 NCSREF = 255 END IF C*--------------------------------------------------------------------*C C* SECTION 4: VIS RETRIEVALS *C C*--------------------------------------------------------------------*C IF ( DAYNIT .EQ. 0 ) THEN CHARS(1) = BUFFER(INPBYT+1) VRET = DRETAB(ICHAR) VCSRET = CRETAB(ICHAR) CHARS(1) = BUFFER(INPBYT+2) VCSRAD = ICHAR CHARS(1) = BUFFER(INPBYT+3) VALBTA = ICHAR CHARS(1) = BUFFER(INPBYT+4) VCSALB = ICHAR CHARS(1) = BUFFER(INPBYT+5) VTMP = ICHAR CHARS(1) = BUFFER(INPBYT+6) VPRS = ICHAR CHARS(1) = BUFFER(INPBYT+7) VTAUIC = ICHAR CHARS(1) = BUFFER(INPBYT+8) VTMPIC = ICHAR CHARS(1) = BUFFER(INPBYT+9) VPRSIC = ICHAR INPBYT = INPBYT + 9 NDXBYT = NDXBYT + 9 ELSE VRET = 255 VCSRET = 255 VCSRAD = 255 VALBTA = 255 VCSALB = 255 VTMP = 255 VPRS = 255 VTAUIC = 255 VTMPIC = 255 VPRSIC = 255 IF ( NODAY .EQ. 0 ) INPBYT = INPBYT + 9 END IF C*--------------------------------------------------------------------*C C* SAVE DATA IN PACKED FORM *C C*--------------------------------------------------------------------*C DO 810 I=1,NDXBYT DXBYT(I) = BUFFER(I+IOFF) 810 CONTINUE C*--------------------------------------------------------------------*C C* SET THE CLOUD FLAG *C C*--------------------------------------------------------------------*C IF ( ITHR .GT. 3 .OR. VTHR .GT. 3 .OR. NTHR .GT. 8 ) THEN CLOUD = 1 ELSE CLOUD = 0 END IF C*--------------------------------------------------------------------*C C* RETURN SUCCESS *C C*--------------------------------------------------------------------*C DXREAD = 0 RETURN C*--------------------------------------------------------------------*C C* RETURN END-OF-IMAGE *C C*--------------------------------------------------------------------*C 900 CONTINUE PRINT *,'END OF IMAGE ON LINE',JPOS C?????????????? PRINT *,NDCNT PRINT *,ND2CNT C?????????????? DXREAD = -1 RETURN END C**********************************************************************C C**********************************************************************C C**********************************************************************C C* *C C* B L O C K D A T A *C C* *C C*--------------------------------------------------------------------*C C* THIS SUB-PROGRAM INITIALIZES THE CONVERSION TABLES TO CONVERT *C C* COUNTS (0-255) INTO PHYSICAL QUANTITIES. TO USE THESE TABLES *C C* WITH ANY PROGRAM, JUST COPY THE COMMON BLOCK DECLARATION (3 LINES) *C C* INTO YOUR PROGRAM, AND APPEND THIS SUB-PROGRAM. NO CALL IS *C C* NECESSARY BECAUSE THE INITIALIZATION IS DONE AT COMPILE TIME. *C C**********************************************************************C C**********************************************************************C C**********************************************************************C BLOCK DATA C*--------------------------------------------------------------------*C C* COMMON BLOCK DECLARATION: (3 LINES) *C C*--------------------------------------------------------------------*C PARAMETER ( MAXCNT = 255 ) COMMON /CNTTAB/ TMPTAB(0:MAXCNT),PRETAB(0:MAXCNT) $ ,RFLTAB(0:MAXCNT),TAUTAB(0:MAXCNT) C*--------------------------------------------------------------------*C C* DATA *C C*--------------------------------------------------------------------*C DATA (TMPTAB(I),I=0,127) / & -100.000,165.000,169.000,172.000,175.000,177.800,180.500, & 183.000,185.500,187.800,190.000,192.000,194.000,195.700, & 197.500,199.200,201.000,202.700,204.500,206.200,208.000, & 209.700,211.500,212.800,214.100,215.400,216.700,217.900, & 219.200,220.500,221.800,223.100,224.400,225.400,226.500, & 227.500,228.600,229.600,230.600,231.700,232.700,233.800, & 234.800,235.700,236.600,237.500,238.400,239.200,240.100, & 241.000,241.900,242.800,243.700,244.500,245.300,246.100, & 246.900,247.700,248.500,249.300,250.100,250.900,251.700, & 252.400,253.100,253.900,254.600,255.300,256.000,256.700, & 257.500,258.200,258.900,259.500,260.200,260.800,261.500, & 262.100,262.800,263.400,264.100,264.700,265.400,266.000, & 266.600,267.200,267.800,268.400,269.100,269.700,270.300, & 270.900,271.500,272.100,272.700,273.200,273.800,274.400, & 275.000,275.600,276.100,276.700,277.300,277.800,278.400, & 278.900,279.500,280.000,280.500,281.100,281.600,282.200, & 282.700,283.200,283.700,284.200,284.700,285.200,285.800, & 286.300,286.800,287.300,287.800,288.300,288.800,289.300, & 289.800,290.200/ DATA (TMPTAB(I),I=128,255) / & 290.700,291.200,291.700,292.200,292.700, & 293.200,293.600,294.100,294.600,295.000,295.500,296.000, & 296.500,296.900,297.400,297.800,298.300,298.700,299.200, & 299.600,300.100,300.500,301.000,301.400,301.900,302.300, & 302.800,303.200,303.600,304.000,304.500,304.900,305.300, & 305.800,306.200,306.600,307.000,307.500,307.900,308.300, & 308.700,309.100,309.600,310.000,310.400,310.800,311.200, & 311.600,312.000,312.400,312.900,313.300,313.700,314.100, & 314.500,314.900,315.300,315.700,316.100,316.400,316.800, & 317.200,317.600,318.000,318.400,318.800,319.200,319.500, & 319.900,320.300,320.700,321.100,321.400,321.800,322.200, & 322.600,323.000,323.300,323.700,324.100,324.500,324.900, & 325.200,325.600,326.000,326.400,326.700,327.100,327.400, & 327.800,328.200,328.500,328.900,329.200,329.600,329.900, & 330.300,330.600,331.000,331.300,331.700,332.000,332.400, & 332.700,333.100,333.400,333.800,334.100,334.500,334.800, & 335.200,335.500,335.900,336.200,336.600,336.900,337.300, & 337.600,338.000,338.300,338.600,339.000,339.300,339.700, & 340.000,345.000,-200.000,-1000.000/ DATA (PRETAB(I),I=0,127) / & -100.00, 1.00, 5.00, 10.00,15.00,20.00,25.00,30.00,35.00,40.00, & 45.00, 50.00, 55.00,60.00,65.00,70.00,75.00,80.00,85.00,90.00, & 95.00,100.00,105.00,110.00,115.00,120.00,125.00,130.00,135.00, & 140.00,145.00,150.00,155.00,160.00,165.00,170.00,175.00,180.00, & 185.00,190.00,195.00,200.00,205.00,210.00,215.00,220.00,225.00, & 230.00,235.00,240.00,245.00,250.00,255.00,260.00,265.00,270.00, & 275.00,280.00,285.00,290.00,295.00,300.00,305.00,310.00,315.00, & 320.00,325.00,330.00,335.00,340.00,345.00,350.00,355.00,360.00, & 365.00,370.00,375.00,380.00,385.00,390.00,395.00,400.00,405.00, & 410.00,415.00,420.00,425.00,430.00,435.00,440.00,445.00,450.00, & 455.00,460.00,465.00,470.00,475.00,480.00,485.00,490.00,495.00, & 500.00,505.00,510.00,515.00,520.00,525.00,530.00,535.00,540.00, & 545.00,550.00,555.00,560.00,565.00,570.00,575.00,580.00,585.00, & 590.00,595.00,600.00,605.00,610.00,615.00,620.00,625.00,630.00/ DATA (PRETAB(I),I=128,255) / & 635.00,640.00,645.00,650.00,655.00,660.00,665.00,670.00,675.00, & 680.00,685.00,690.00,695.00,700.00,705.00,710.00,715.00,720.00, & 725.00,730.00,735.00,740.00,745.00,750.00,755.00,760.00,765.00, & 770.00,775.00,780.00,785.00,790.00,795.00,800.00,805.00,810.00, & 815.00,820.00,825.00,830.00,835.00,840.00,845.00,850.00,855.00, & 860.00,865.00,870.00,875.00,880.00,885.00,890.00,895.00,900.00, & 905.00,910.00,915.00,920.00,925.00,930.00,935.00,940.00,945.00, & 950.00,955.00,960.00,965.00,970.00,975.00,980.00,985.00,990.00, & 995.00,1000.00,1005.00,1010.00,1015.00,1020.00,1025.00,1030.00, & 1035.00,1040.00,1045.00,1050.00,1055.00,1060.00,1065.00, & 1070.00,1075.00,1080.00,1085.00,1090.00,1095.00,1100.00, & 1105.00,1110.00,1115.00,1120.00,1125.00,1130.00,1135.00, & 1140.00,1145.00,1150.00,1155.00,1160.00,1165.00,1170.00, & 1175.00,1180.00,1185.00,1190.00,1195.00,1200.00,-200.00, & -200.00,-200.00,-200.00,-200.00,-200.00,-200.00,-200.00, & -200.00,-200.00,-200.00,-200.00,-200.00,-1000.00/ DATA (RFLTAB(I),I=0,127) / & -100.000,0.000,0.008,0.012,0.016,0.020,0.024,0.028,0.032,0.036, & 0.040,0.044,0.048,0.052,0.056,0.060,0.064,0.068,0.072,0.076, & 0.080,0.084,0.088,0.092,0.096,0.100,0.104,0.108,0.112,0.116, & 0.120,0.124,0.128,0.132,0.136,0.140,0.144,0.148,0.152,0.156, & 0.160,0.164,0.168,0.172,0.176,0.180,0.184,0.188,0.192,0.196, & 0.200,0.204,0.208,0.212,0.216,0.220,0.224,0.228,0.232,0.236, & 0.240,0.244,0.248,0.252,0.256,0.260,0.264,0.268,0.272,0.276, & 0.280,0.284,0.288,0.292,0.296,0.300,0.304,0.308,0.312,0.316, & 0.320,0.324,0.328,0.332,0.336,0.340,0.344,0.348,0.352,0.356, & 0.360,0.364,0.368,0.372,0.376,0.380,0.384,0.388,0.392,0.396, & 0.400,0.404,0.408,0.412,0.416,0.420,0.424,0.428,0.432,0.436, & 0.440,0.444,0.448,0.452,0.456,0.460,0.464,0.468,0.472,0.476, & 0.480,0.484,0.488,0.492,0.496,0.500,0.504,0.508/ DATA (RFLTAB(I),I=128,255) / & 0.512,0.516, & 0.520,0.524,0.528,0.532,0.536,0.540,0.544,0.548,0.552,0.556, & 0.560,0.564,0.568,0.572,0.576,0.580,0.584,0.588,0.592,0.596, & 0.600,0.604,0.608,0.612,0.616,0.620,0.624,0.628,0.632,0.636, & 0.640,0.644,0.648,0.652,0.656,0.660,0.664,0.668,0.672,0.676, & 0.680,0.684,0.688,0.692,0.696,0.700,0.704,0.708,0.712,0.716, & 0.720,0.724,0.728,0.732,0.736,0.740,0.744,0.748,0.752,0.756, & 0.760,0.764,0.768,0.772,0.776,0.780,0.784,0.788,0.792,0.796, & 0.800,0.804,0.808,0.812,0.816,0.820,0.824,0.828,0.832,0.836, & 0.840,0.844,0.848,0.852,0.856,0.860,0.864,0.868,0.872,0.876, & 0.880,0.884,0.888,0.892,0.896,0.900,0.904,0.908,0.912,0.916, & 0.920,0.924,0.928,0.932,0.936,0.940,0.944,0.948,0.952,0.956, & 0.960,0.964,0.968,0.972,0.976,0.980,0.984,0.988,0.992,1.000, & 1.016,1.040,1.072,1.108,-200.000,-1000.000/ DATA (TAUTAB(I),I=0,127) / & -100.000,0.020,0.040,0.060,0.090,0.110,0.140,0.160,0.190,0.220, & 0.240,0.270,0.300,0.330,0.370,0.400,0.430,0.460,0.500,0.530, & 0.570,0.600,0.640,0.680,0.720,0.750,0.790,0.830,0.870,0.920, & 0.960,1.000,1.040,1.090,1.130,1.180,1.220,1.270,1.320,1.370, & 1.420,1.470,1.520,1.570,1.620,1.670,1.730,1.780,1.830,1.890, & 1.950,2.000,2.060,2.120,2.180,2.240,2.300,2.360,2.430,2.490, & 2.550,2.620,2.690,2.750,2.820,2.890,2.960,3.030,3.100,3.180, & 3.250,3.320,3.400,3.480,3.550,3.630,3.710,3.790,3.880,3.960, & 4.040,4.130,4.220,4.300,4.390,4.480,4.570,4.670,4.760,4.850, & 4.950,5.050,5.150,5.250,5.350,5.450,5.560,5.660,5.770,5.880, & 5.990,6.110,6.220,6.340,6.450,6.570,6.690,6.820,6.940,7.070, & 7.190,7.330,7.460,7.590,7.730,7.870,8.010,8.150,8.300,8.440, & 8.590,8.740,8.900,9.060,9.220,9.380,9.540,9.710/ DATA (TAUTAB(I),I=128,255) / & 9.880,10.050, & 10.230,10.410,10.590,10.780,10.970,11.160,11.350,11.550,11.760, & 11.960,12.170,12.390,12.600,12.830,13.050,13.280,13.520,13.760, & 14.000,14.250,14.510,14.770,15.030,15.300,15.580,15.860,16.150, & 16.440,16.740,17.050,17.360,17.690,18.020,18.350,18.700,19.050, & 19.410,19.780,20.160,20.540,20.940,21.350,21.770,22.200,22.630, & 23.080,23.550,24.030,24.520,25.020,25.540,26.070,26.620,27.190, & 27.770,28.370,28.990,29.630,30.290,30.970,31.670,32.400,33.160, & 33.940,34.740,35.580,36.450,37.350,38.290,39.260,40.260,41.320, & 42.420,43.570,44.760,46.000,47.310,48.680,50.110,51.600,53.170, & 54.840,56.590,58.430,60.360,62.400,64.590,66.900,69.360,71.960, & 74.720,77.730,80.940,84.380,88.060,92.020,96.400,101.010, & 105.510,109.870,114.330,119.590,125.920,133.660,143.120, & 154.650, 169.560, 187.490, 207.200, 228.130, 250.440, 282.780, & 323.920, 378.650,-200.000,-200.000,-200.000,-200.000,-200.000, & -200.000,-200.000,-200.000,-200.000,-200.000,-200.000, & -1000.000/ END