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C Copyright 1981-2007 ECMWF
C
C Licensed under the GNU Lesser General Public License which
C incorporates the terms and conditions of version 3 of the GNU
C General Public License.
C See LICENSE and gpl-3.0.txt for details.
C
SUBROUTINE BUFREN(KSEC0,KSEC1,KSEC2,KSEC3,KSEC4,
1 KTDLEN,KTDLST,KDLEN,KDATA,KELEM,KVALS,
2 VALUES,CVALS,KBUFL,KBUFF,KERR)
C
C**** *BUFREN*
C
C
C PURPOSE.
C --------
C ENCODE BUFR MESSAGE.
C
C
C** INTERFACE.
C ----------
C
C *CALL BUFREN(KSEC0,KSEC1,KSEC2,KSEC3,KSEC4,
C KTDLEN,KTDLST,KDLEN,KDATA,KELEM,KVALS,
C VALUES,CVALS,KBUFL,KBUFF,KERR)
C
C INPUT :
C *KSEC0* - INTEGER ARRAY OF 3 WORDS CONTAINING
C BUFR SECTION 0 INFORMATION
C KSEC0( 1)-- LENGTH OF SECTION 0 (BYTES)
C KSEC0( 2)-- TOTAL LENGTH OF BUFR MESSAGE (BYTES)
C KSEC0( 3)-- BUFR EDITION NUMBER
C
C *KSEC1* - INTEGER ARRAY OF AT LEAST 40 WORDS
C CONTAINING BUFR SECTION 1 INFORMATION
C KSEC1( 1)-- LENGTH OF SECTION 1 (BYTES)
C KSEC1( 2)-- BUFR EDITION NUMBER
C KSEC1( 3)-- ORIGINATING CENTRE
C KSEC1( 4)-- UPDATE SEQUENCE NUMBER
C KSEC1( 5)-- FLAG (PRESENCE OF SECTION 2)
C KSEC1( 6)-- BUFR MESSAGE TYPE
C KSEC1( 7)-- BUFR MESSAGE SUBTYPE
C KSEC1( 8)-- VERSION NUMBER OF LOCAL TABLE USED
C KSEC1( 9)-- YEAR
C KSEC1(10)-- MONTH
C KSEC1(11)-- DAY
C KSEC1(12)-- HOUR
C KSEC1(13)-- MINUTE
C KSEC1(14)-- BUFR MASTER TABLE
C KSEC1(15)-- VERSION NUMBER OF MASTER TABLE USED
C KSEC1(16) TO KSEC1(40) - LOCAL ADP CENTRE
C INFORMATION(PACKED FORM)
C
C
C FOR BUFR EDITION 3 ONWARD
C
C KSEC1(16)-- ORIGINATING SUB-CENTRE
C KSEC1(17)-- NOT USED
C KSEC1(18) TO KSEC1(JSEC1) - LOCAL ADP CENTRE
C INFORMATION(PACKED FORM)
C
C FOR BUFR EDITION 4 ONWARD
C
C KSEC1(16)-- ORIGINATING SUB-CENTRE
C KSEC1(17)-- INTERNATIONAL SUB-CATEGORY (SEE COMMON TABLE C-13
C KSEC1(18)-- SECOND
C KSEC1(19)-- YEAR
C KSEC1(20)-- MONTH
C KSEC1(21)-- DAY
C KSEC1(22)-- HOUR
C KSEC1(23)-- MINUTE
C KSEC1(24)-- SECOND
C KSEC1(25)-- YEAR
C KSEC1(26)-- MONTH
C KSEC1(27)-- DAY
C KSEC1(28)-- HOUR
C KSEC1(29)-- MINUTE
C KSEC1(30)-- SECOND
C KSEC1(31)-- MOST SOUTHERN LATITUDE (-90 to 90)
C KSEC1(32)-- MOST WESTERN LONGITUDE ( 0-360)
C KSEC1(33)-- MOST NORTHEN LATITUDE (-90 to 90)
C KSEC1(34)-- MOST EASTERN LONGITUDE ( 0-360)
C KSEC1(35) TO KSEC1(JSEC1) - LOCAL ADP CENTRE INFORMATION(PACKED FORM)
C
C *KSEC2* - INTEGER ARRAY OF AT LEAST 64 WORDS
C CONTAINING BUFR SECTION 2 INFORMATION
C KSEC2( 1)-- LENGTH OF SECTION 2 (BYTES)
C KSEC2( 2) TO KSEC2(64) LOCAL ADP CENTRE
C INFORMATION(PACKED FORM)
C
C *KSEC3* - INTEGER ARRAY OF 4 WORDS CONTAINING
C BUFR SECTION 3 INFORMATION
C KSEC3( 1)-- LENGTH OF SECTION 3 (BYTES)
C KSEC3( 2)-- RESERVED
C KSEC3( 3)-- NUMBER OF SUBSETS
C KSEC3( 4)-- FLAG (DATA TYPE,DATA COMPRESSION)
C
C *KSEC4* - INTEGER ARRAY OF 2 WORDS CONTAINING
C BUFR SECTION 4 INFORMATION
C KSEC4( 1)-- LENGTH OF SECTION 4 (BYTES)
C KSEC4( 2)-- RESERVED
C
C *KTDLEN* - INTEGER NUMBER OF DATA DESCRIPTORS IN SECTION 3
C *KTDLST* - INTEGER ARRAY OF AT LEAST KTDLEN WORDS
C CONTAINING DATA DESCRIPTORS FOR BUFR SECTION 3
C *KDLEN* - INTEGER (DIMENSION OF KDATA ARRAY)
C *KDATA* - INTEGER ARRAY CONTAINING DATA NEEDED FOR DATA
C DESCRIPTOR EXPANSION (DELAYED REPLICATION FACTORS)
C WHICH APPEAR IN THE VALUES ARRAY
C
C *KELEM* - INTEGER NUMBER OF ELEMENTS IN BUFR TEMPLATE.
C *KVALS* - INTEGER (DIMENSION OF VALUES ARRAY)
C *VALUES* - REAL ARRAY OF KVALS WORDS (EXPANDED DATA )
C *CVALS* - CHARACTER*80 ARRAY OF KVALS
C
C OUTPUT:
C *KBUFL* - LENGTH OF BUFR MESSAGE (WORDS)
C *KBUFF* - INTEGER ARRAY CONTAINING BUFR MESSAGE
C *KERR* - RETURN ERROR CODE
C
C
C METHOD.
C -------
C
C BUFR MESSAGE SECTIONS CONTENET, AND DATA ARE PASSED FOR
C FOR PACKING INTO FM-94 BUFR DATA.DURING UNPACKING A BIT PATHERN
C GBYTE AND GBYTES ROUTINES (VMS VERSION) ARE USED.
C
C
C EXTERNALS.
C ----------
C
C BUENS0 - PACK SECTION 0 OF BUFR MESSAGE
C BUENS1 - PACK SECTION 1 OF BUFR MESSAGE
C BUENS2 - PACK SECTION 2 OF BUFR MESSAGE
C BUENS3 - PACK SECTION 3 OF BUFR MESSAGE
C BUETAB - LOAD REQUIRED BUFR TABLES
C BUENS4 - PACK SECTION 4 OF BUFR MESSAGE
C BUENS5 - PACK SECTION 5 OF BUFR MESSAGE
C
C REFERENCE.
C ----------
C
C NONE.
C
C AUTHOR.
C -------
C
C M. DRAGOSAVAC *ECMWF* 15/01/91.
C
C
C MODIFICATIONS.
C --------------
C
C NONE.
C
C
IMPLICIT LOGICAL(L,O,G), CHARACTER*8(C,H,Y)
C
C
# include "parameter.F"
# include "bcomunit.F"
# include "bcmwork.F"
# include "bcmdefc.F"
# include "bcmoff.F"
C
DIMENSION KBUFF(KBUFL)
DIMENSION KSEC0(JSEC0),KSEC1(JSEC1),KSEC2(JSEC2)
1, KSEC3(JSEC3),KSEC4(JSEC4)
C
#ifndef R_4
REAL*8 VALUES(KVALS)
REAL*8 RVIND
REAL*8 EPS
#else
REAL VALUES(KVALS)
REAL RVIND
REAL EPS
#endif
DIMENSION KTDLST(KTDLEN)
DIMENSION KDATA(KDLEN)
C
CHARACTER*4 CECMWF,CUSER
CHARACTER*80 CVALS(KVALS)
C
SAVE NWPTB1,NBPTB1
C
C ------------------------------------------------------------------
C
C* 1. SET CONSTANTS.
C --------------
100 CONTINUE
C
KERR=0
IF(CECMWF.NE.'ECMF') THEN
CALL BUIVAR(KERR)
KPT = 0
CECMWF='ECMF'
END IF
C
NEDN=KSEC0(3)
C
C -----------------------------------------------------------------
C* 2. PACK SECTION 0.
C ---------------
200 CONTINUE
C
CALL BUENS0( KSEC0,KBUFL,KBUFF,KERR )
IF(KERR.GT.0) RETURN
C
C ------------------------------------------------------------------
C
C* 3. PACK SECTION 1.
C ---------------
300 CONTINUE
C
CALL BUENS1( KSEC0,KSEC1,KBUFL,KBUFF,KERR )
IF(KERR.GT.0) RETURN
C
C ------------------------------------------------------------------
C
C* 4. PACK SECTION 2.
C ---------------
400 CONTINUE
C
CALL BUENS2( KSEC1,KSEC2,KBUFL,KBUFF,KERR )
IF(KERR.GT.0) RETURN
C
C ------------------------------------------------------------------
C
C* 5. LOAD BUFR TABLES.
C -----------------
500 CONTINUE
C
CALL BUETAB(KSEC1,KERR)
IF(KERR.GT.0) RETURN
C
C ------------------------------------------------------------------
C 6. PACK SECTION 3.
C ---------------
600 CONTINUE
C
CALL BUENS3( KSEC3,KTDLEN,KTDLST,KBUFL,KBUFF,KERR)
IF(KERR.GT.0) RETURN
C
C -----------------------------------------------------------------
C
OMULTI=.FALSE.
NSUBSET=1
IF(IAND(KSEC3(4),64).EQ.0.AND.KSEC3(3).GT.1) THEN
C
C Multi-subset uncompressed data
C
NSUBSET=0
OMULTI=.TRUE.
DO I=1,KSEC3(3)
NWT=0
M=0
NSUBSET=I
KERR=0
CALL BUETD(KPT,KTDLEN,KTDLST,KDLEN,KDATA,KSEC3,
1 KVALS,VALUES,KELEM,KERR)
IF(KERR.GT.0) RETURN
C
CALL BUENS4(KSEC3,KSEC4,KELEM,KVALS,VALUES,CVALS,
1 KBUFL,KBUFF,KERR)
IF(KERR.GT.0) RETURN
END DO
GO TO 800
END IF
C ------------------------------------------------------------------
C 6.1 EXPAND DATA DESCRIPTORS.
C ------------------------
610 CONTINUE
CALL BUETD(KPT,KTDLEN,KTDLST,KDLEN,KDATA,KSEC3,
1 KVALS,VALUES,KELEM,KERR)
IF(KERR.GT.0) RETURN
C
C
C ------------------------------------------------------------------
C
C* 7. PACK SECTION 4.
C ---------------
700 CONTINUE
C
CALL BUENS4(KSEC3,KSEC4,KELEM,KVALS,VALUES,CVALS,
1 KBUFL,KBUFF,KERR)
IF(KERR.GT.0) RETURN
C
C
C ------------------------------------------------------------------
C
C* 8. PACK SECTION 5.
C ---------------
800 CONTINUE
C
CALL BUENS5(KSEC0,KSEC1,KBUFL,KBUFF,KERR)
IF(KERR.GT.0) RETURN
C
C -----------------------------------------------------------------
C
C* 9. SET TOTAL BUFR MESSAGE LENGTH.
C ------------------------------
900 CONTINUE
C
C
C -----------------------------------------------------------------
RETURN
C
END
|
