1 |
C $Header: /u/gcmpack/MITgcm/pkg/ptracers/ptracers_read_checkpoint.F,v 1.12 2006/03/24 11:34:41 mlosch Exp $ |
2 |
C $Name: $ |
3 |
|
4 |
#include "PTRACERS_OPTIONS.h" |
5 |
|
6 |
C---+----1----+----2----+----3----+----4----+----5----+----6----+----7-|--+----| |
7 |
CBOP |
8 |
C !ROUTINE: PTRACERS_READ_PICKUP |
9 |
|
10 |
C !INTERFACE: |
11 |
SUBROUTINE PTRACERS_READ_PICKUP( myIter, myThid ) |
12 |
|
13 |
C !DESCRIPTION: |
14 |
C Reads current state of passive tracers from a pickup file |
15 |
|
16 |
C !USES: |
17 |
IMPLICIT NONE |
18 |
#include "SIZE.h" |
19 |
#include "EEPARAMS.h" |
20 |
#include "PARAMS.h" |
21 |
#include "PTRACERS_SIZE.h" |
22 |
#include "PTRACERS.h" |
23 |
|
24 |
C !INPUT PARAMETERS: |
25 |
C myIter :: time-step number |
26 |
C myThid :: thread number |
27 |
INTEGER myIter |
28 |
INTEGER myThid |
29 |
|
30 |
#ifdef ALLOW_PTRACERS |
31 |
|
32 |
C !LOCAL VARIABLES: |
33 |
C iTracer :: loop indices |
34 |
C iRec :: record number |
35 |
C fn :: character buffer for creating filename |
36 |
C prec :: precision of pickup files |
37 |
C fn :: suffix for pickup file (eg. 0000000010) |
38 |
INTEGER iTracer,prec,iRec |
39 |
CHARACTER*(MAX_LEN_MBUF) fn |
40 |
CEOP |
41 |
|
42 |
#ifdef ALLOW_MNC |
43 |
IF ( PTRACERS_pickup_read_mnc ) THEN |
44 |
C Read variables from the pickup file |
45 |
WRITE(fn,'(a)') 'pickup_ptracers' |
46 |
CALL MNC_FILE_CLOSE_ALL_MATCHING(fn, myThid) |
47 |
CALL MNC_CW_SET_UDIM(fn, 1, myThid) |
48 |
CALL MNC_CW_SET_CITER(fn, 3, 3, myIter, -1, myThid) |
49 |
DO iTracer = 1,PTRACERS_numInUse |
50 |
CALL MNC_CW_RL_R('D',fn,0,0, PTRACERS_names(iTracer), |
51 |
& gPtrNm1(1-OLx,1-OLy,1,1,1,iTracer),myThid) |
52 |
_EXCH_XYZ_R8(gPtrNm1(1-Olx,1-Oly,1,1,1,iTracer),myThid) |
53 |
ENDDO |
54 |
CALL MNC_CW_SET_UDIM(fn, 2, myThid) |
55 |
DO iTracer = 1,PTRACERS_numInUse |
56 |
CALL MNC_CW_RL_R('D',fn,0,0, PTRACERS_names(iTracer), |
57 |
& pTracer(1-OLx,1-OLy,1,1,1,iTracer),myThid) |
58 |
_EXCH_XYZ_R8(pTracer(1-Olx,1-Oly,1,1,1,iTracer),myThid) |
59 |
ENDDO |
60 |
ENDIF |
61 |
#endif /* ALLOW_MNC */ |
62 |
|
63 |
IF ( PTRACERS_pickup_read_mdsio ) THEN |
64 |
|
65 |
WRITE(fn,'(A,I10.10)') 'pickup_ptracers.',myIter |
66 |
prec = precFloat64 |
67 |
|
68 |
IF ( usePickupBeforeC54 ) THEN |
69 |
C Read fields as consecutive records |
70 |
DO iTracer=1,PTRACERS_num |
71 |
iRec = iTracer |
72 |
CALL MDSREADFIELD(fn,prec,'RL',Nr, |
73 |
& pTracer(1-Olx,1-Oly,1,1,1,iTracer),iRec,myThid) |
74 |
_EXCH_XYZ_R8(pTracer(1-Olx,1-Oly,1,1,1,iTracer),myThid) |
75 |
ENDDO |
76 |
|
77 |
C Read historical tendancies as consecutive records |
78 |
DO iTracer=1,PTRACERS_num |
79 |
iRec = iTracer + PTRACERS_num |
80 |
CALL MDSREADFIELD(fn,prec,'RL',Nr, |
81 |
& gPtr(1-Olx,1-Oly,1,1,1,iTracer),iRec,myThid) |
82 |
_EXCH_XYZ_R8(gPtr(1-Olx,1-Oly,1,1,1,iTracer),myThid) |
83 |
ENDDO |
84 |
DO iTracer=1,PTRACERS_num |
85 |
iRec = iTracer + PTRACERS_num*2 |
86 |
CALL MDSREADFIELD(fn,prec,'RL',Nr, |
87 |
& gPtrNm1(1-Olx,1-Oly,1,1,1,iTracer),iRec,myThid) |
88 |
_EXCH_XYZ_R8(gPtrNm1(1-Olx,1-Oly,1,1,1,iTracer),myThid) |
89 |
ENDDO |
90 |
|
91 |
ELSE |
92 |
C Read fields & tendancies (needed for AB) as consecutive records, |
93 |
C one tracer after the other, only for tracers "InUse". Note: |
94 |
C this allow to restart from a pickup with a different number of |
95 |
C tracers, with write_pickup dumping all of them (PTRACERS_num). |
96 |
DO iTracer=1,PTRACERS_numInUse |
97 |
iRec = 2*iTracer -1 |
98 |
CALL MDSREADFIELD(fn,prec,'RL',Nr, |
99 |
& pTracer(1-Olx,1-Oly,1,1,1,iTracer),iRec,myThid) |
100 |
iRec = 2*iTracer |
101 |
CALL MDSREADFIELD(fn,prec,'RL',Nr, |
102 |
& gPtrNm1(1-Olx,1-Oly,1,1,1,iTracer),iRec,myThid) |
103 |
_EXCH_XYZ_R8(pTracer(1-Olx,1-Oly,1,1,1,iTracer),myThid) |
104 |
_EXCH_XYZ_R8(gPtrNm1(1-Olx,1-Oly,1,1,1,iTracer),myThid) |
105 |
ENDDO |
106 |
|
107 |
ENDIF |
108 |
|
109 |
ENDIF |
110 |
|
111 |
#endif /* ALLOW_PTRACERS */ |
112 |
|
113 |
RETURN |
114 |
END |