/[MITgcm]/MITgcm/model/src/ini_grid.F
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revision 1.18 by heimbach, Wed Jun 30 23:45:35 2004 UTC revision 1.26 by jmc, Fri Nov 4 01:19:24 2005 UTC
# Line 1  Line 1 
1  C $Header$  C $Header$
2  C $Name$  C $Name$
3    
4    #include "PACKAGES_CONFIG.h"
5  #include "CPP_OPTIONS.h"  #include "CPP_OPTIONS.h"
6    
7  CBOP  CBOP
8  C     !ROUTINE: INI_GRID  C     !ROUTINE: INI_GRID
9    
10  C     !INTERFACE:  C     !INTERFACE:
11        SUBROUTINE INI_GRID( myThid )        SUBROUTINE INI_GRID( myThid )
12  C     !DESCRIPTION: \bv  C     !DESCRIPTION:
13  C     *==========================================================*  C     These arrays are used throughout the code in evaluating gradients,
14  C     | SUBROUTINE INI_GRID                                        C     integrals and spatial avarages. This routine is called separately
15  C     | o Initialise model grid                                    C     by each thread and initializes only the region of the domain it is
16  C     *==========================================================*  C     "responsible" for.
 C     | These arrays are used throughout the code in evaluating    
 C     | gradients, integrals and spatial avarages. This routine    
 C     | is called separately by each thread and initialise only    
 C     | the region of the domain it is "responsible" for.          
 C     | Notes:                                                      
 C     | Two examples are shown in this code. One illustrates the    
 C     | initialisation of a cartesian grid. The other shows the    
 C     | inialisation of a spherical polar grid. Other orthonormal  
 C     | grids can be fitted into this design. In this case          
 C     | custom metric terms also need adding to account for the    
 C     | projections of velocity vectors onto these grids.          
 C     | The structure used here also makes it possible to          
 C     | implement less regular grid mappings. In particular        
 C     | o Schemes which leave out blocks of the domain that are    
 C     |   all land could be supported.                              
 C     | o Multi-level schemes such as icosohedral or cubic          
 C     |   grid projectedions onto a sphere can also be fitted      
 C     |   within the strategy we use.                              
 C     |   Both of the above also require modifying the support      
 C     |   routines that map computational blocks to simulation      
 C     |   domain blocks.                                            
 C     *==========================================================*  
 C     \ev  
17    
18  C     !USES:  C     !USES:
19        IMPLICIT NONE        IMPLICIT NONE
 C     === Global variables ===  
20  #include "SIZE.h"  #include "SIZE.h"
21  #include "EEPARAMS.h"  #include "EEPARAMS.h"
22  #include "PARAMS.h"  #include "PARAMS.h"
23    #ifdef ALLOW_MNC
24    #include "MNC_PARAMS.h"
25    #endif
26  #include "GRID.h"  #include "GRID.h"
27    #ifdef ALLOW_MONITOR
28    #include "MONITOR.h"
29    #endif
30    
31  C     !INPUT/OUTPUT PARAMETERS:  C     !INPUT/OUTPUT PARAMETERS:
 C     == Routine arguments ==  
 C     myThid -  Number of this instance of INI_GRID  
32        INTEGER myThid        INTEGER myThid
33    CEOP
34    
35  C     !LOCAL VARIABLES:  C     !LOCAL VARIABLES:
 C     == Local variables ==  
36  C     msgBuf - Used for informational I/O.  C     msgBuf - Used for informational I/O.
37        CHARACTER*(MAX_LEN_MBUF) msgBuf        CHARACTER*(MAX_LEN_MBUF) msgBuf
38  CEOP  #ifdef ALLOW_MNC
39          INTEGER i
40    #endif
41    
42  C--   Set up vertical grid and coordinate system  C     load grid spacing (vector) from files
43          CALL LOAD_GRID_SPACING( myThid )
44    
45    C     Set up vertical grid and coordinate system
46        CALL INI_VERTICAL_GRID( myThid )        CALL INI_VERTICAL_GRID( myThid )
47    
48  C--   Set up horizontal grid and coordinate system  C     Two examples are shown in this code. One illustrates the
49    C     initialization of a cartesian grid. The other shows the
50    C     inialization of a spherical polar grid. Other orthonormal grids
51    C     can be fitted into this design. In this case custom metric terms
52    C     also need adding to account for the projections of velocity
53    C     vectors onto these grids.  The structure used here also makes it
54    C     possible to implement less regular grid mappings. In particular:
55    C      o Schemes which leave out blocks of the domain that are  
56    C        all land could be supported.                            
57    C      o Multi-level schemes such as icosohedral or cubic        
58    C        grid projectedions onto a sphere can also be fitted    
59    C       within the strategy we use.                            
60    C        Both of the above also require modifying the support    
61    C        routines that map computational blocks to simulation    
62    C        domain blocks.                                          
63    
64    C     Set up horizontal grid and coordinate system
65        IF ( usingCartesianGrid ) THEN        IF ( usingCartesianGrid ) THEN
66         CALL INI_CARTESIAN_GRID( myThid )          CALL INI_CARTESIAN_GRID( myThid )
67        ELSEIF ( usingSphericalPolarGrid ) THEN        ELSEIF ( usingSphericalPolarGrid ) THEN
68         CALL INI_SPHERICAL_POLAR_GRID( myThid )          CALL INI_SPHERICAL_POLAR_GRID( myThid )
69        ELSEIF ( usingCurvilinearGrid ) THEN        ELSEIF ( usingCurvilinearGrid ) THEN
70         CALL INI_CURVILINEAR_GRID( myThid )          CALL INI_CURVILINEAR_GRID( myThid )
71        ELSEIF ( usingCylindricalGrid ) THEN        ELSEIF ( usingCylindricalGrid ) THEN
72         CALL INI_CYLINDER( myThid )          CALL INI_CYLINDER_GRID( myThid )
73        ELSE        ELSE
74         _BEGIN_MASTER(myThid)          _BEGIN_MASTER(myThid)
75          WRITE(msgBuf,'(A)')          WRITE(msgBuf,'(2A)') 'S/R INI_GRID: ',
76       &   'S/R INI_GRID: No grid coordinate system has been selected'       &       'No grid coordinate system has been selected'
77           CALL PRINT_ERROR( msgBuf , myThid)          CALL PRINT_ERROR( msgBuf , myThid)
78           STOP 'ABNORMAL END: S/R INI_GRID'          STOP 'ABNORMAL END: S/R INI_GRID'
79         _END_MASTER(myThid)          _END_MASTER(myThid)
80        ENDIF        ENDIF
81    
 C--   Write certain grid data to files (useful for creating netCDF  
 C     and general post-analysis)  
       CALL WRITE_FLD_XY_RS( 'XC',' ',XC,0,myThid)  
       CALL WRITE_FLD_XY_RS( 'YC',' ',YC,0,myThid)  
       CALL WRITE_FLD_XY_RS( 'XG',' ',XG,0,myThid)  
       CALL WRITE_FLD_XY_RS( 'YG',' ',YG,0,myThid)  
       CALL WRITE_FLD_XY_RS( 'RAC',' ',rA,0,myThid)  
       CALL WRITE_FLD_XY_RS( 'RAW',' ',rAw,0,myThid)  
       CALL WRITE_FLD_XY_RS( 'RAS',' ',rAs,0,myThid)  
       CALL WRITE_FLD_XY_RS( 'DXG',' ',DXG,0,myThid)  
       CALL WRITE_FLD_XY_RS( 'DYG',' ',DYG,0,myThid)  
       CALL WRITE_FLD_XY_RS( 'DXC',' ',DXC,0,myThid)  
       CALL WRITE_FLD_XY_RS( 'DYC',' ',DYC,0,myThid)  
   
 C--   Print out statistics of each horizontal grid array (helps when debugging)  
   
82  #ifdef ALLOW_MONITOR  #ifdef ALLOW_MONITOR
83          mon_write_stdout = .FALSE.
84          mon_write_mnc    = .FALSE.
85          IF (monitor_stdio) THEN
86            mon_write_stdout = .TRUE.
87          ENDIF
88          
89    #ifdef ALLOW_MNC
90          IF (useMNC .AND. monitor_mnc) THEN
91            DO i = 1,MAX_LEN_MBUF
92              mon_fname(i:i) = ' '
93            ENDDO
94            mon_fname(1:12) = 'monitor_grid'
95            CALL MNC_CW_SET_UDIM(mon_fname, 1, myThid)
96            mon_write_mnc = .TRUE.
97          ENDIF
98    #endif /*  ALLOW_MNC  */
99          
100    C     Print out statistics of each horizontal grid array (helps when
101    C     debugging)
102        CALL MON_PRINTSTATS_RS(1,XC,'XC',myThid)        CALL MON_PRINTSTATS_RS(1,XC,'XC',myThid)
103        CALL MON_PRINTSTATS_RS(1,XG,'XG',myThid)        CALL MON_PRINTSTATS_RS(1,XG,'XG',myThid)
104        CALL MON_PRINTSTATS_RS(1,DXC,'DXC',myThid)        CALL MON_PRINTSTATS_RS(1,DXC,'DXC',myThid)
# Line 109  C--   Print out statistics of each horiz Line 115  C--   Print out statistics of each horiz
115        CALL MON_PRINTSTATS_RS(1,RAW,'RAW',myThid)        CALL MON_PRINTSTATS_RS(1,RAW,'RAW',myThid)
116        CALL MON_PRINTSTATS_RS(1,RAS,'RAS',myThid)        CALL MON_PRINTSTATS_RS(1,RAS,'RAS',myThid)
117        CALL MON_PRINTSTATS_RS(1,RAZ,'RAZ',myThid)        CALL MON_PRINTSTATS_RS(1,RAZ,'RAZ',myThid)
118          CALL MON_PRINTSTATS_RS(1,angleCosC,'AngleCS',myThid)
119          CALL MON_PRINTSTATS_RS(1,angleSinC,'AngleSN',myThid)
120    
121          mon_write_stdout = .FALSE.
122          mon_write_mnc    = .FALSE.
123  #endif  #endif
124    
125        RETURN        RETURN
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