merge.c 4.63 KB
Newer Older
Tilman Steinweg's avatar
Tilman Steinweg committed
1
/*-----------------------------------------------------------------------------------------
Florian Wittkamp's avatar
Florian Wittkamp committed
2
 * Copyright (C) 2016  For the list of authors, see file AUTHORS.
Tilman Steinweg's avatar
Tilman Steinweg committed
3
4
 *
 * This file is part of DENISE.
5
 *
Tilman Steinweg's avatar
Tilman Steinweg committed
6
7
8
 * DENISE is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, version 2.0 of the License only.
9
 *
Tilman Steinweg's avatar
Tilman Steinweg committed
10
11
12
13
 * DENISE is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
14
 *
Tilman Steinweg's avatar
Tilman Steinweg committed
15
16
 * You should have received a copy of the GNU General Public License
 * along with DENISE. See file COPYING and/or <http://www.gnu.org/licenses/gpl-2.0.html>.
17
 -----------------------------------------------------------------------------------------*/
Tilman Steinweg's avatar
Tilman Steinweg committed
18
19

/*------------------------------------------------------------------------
20
21
 *   merge snapshots files written by the different processes to
 *   a single file
Tilman Steinweg's avatar
Tilman Steinweg committed
22
23
24
25
26
27
28
29
 *   last update 25/05/02   T. Bohlen
 *
 *  ----------------------------------------------------------------------*/

#include "fd.h"


void merge(int nsnap, int type){
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
    
    
    extern char SNAP_FILE[STRING_SIZE];
    extern int NXG, NYG, SNAP_FORMAT, NPROCX, NPROCY;
    extern int NX, NY, IDX, IDY;
    extern FILE *FP;
    extern float DH;
    extern int SNAPSHOT_START, SNAPSHOT_END, SNAPSHOT_INCR;
    char file[STRING_SIZE], mfile[STRING_SIZE], outfile[STRING_SIZE], ext[10];
    FILE *fp[NPROCY][NPROCX], *fpout;
    int i, j, ip, jp, n;
    float a, max;
    int shot;
    
    
    
    
    switch(SNAP_FORMAT){
        case 1:
            sprintf(ext,".su");
            break;
        case 2:
            sprintf(ext,".asc");
            break;
        case 3:
            sprintf(ext,".bin");
            break;
    }
    
    switch(type){
        case 1:
            fprintf(FP," x-component of particle velocity");
            strcat(ext,".x");
            break;
        case 2:
            fprintf(FP," y-component of particle velocity");
            strcat(ext,".y");
            break;
        case 4:
            fprintf(FP," P-wave energyfield");
            strcat(ext,".div");
            break;
        case 5:
            fprintf(FP," S-wave energyfield");
            strcat(ext,".rot");
            break;
        case 6:
            fprintf(FP," pressure");
            strcat(ext,".p");
            break;
        case 7:
            fprintf(FP," z-component of particle velocity");
            strcat(ext,".z");
            break;
        default:
            err(" merge: cannot find snapfiles! ");
            break;
    }
    
    sprintf(mfile,"%s%s",SNAP_FILE,ext);
    fprintf(FP," (files: %s.??? ).\n",mfile);
    
    
    fprintf(FP," Opening snapshot files: %s.??? ",mfile);
    

    for(shot=SNAPSHOT_START;shot<=SNAPSHOT_END;shot+=SNAPSHOT_INCR) {
        sprintf(outfile,"%s.shot%i%s",SNAP_FILE,shot,ext);
        fprintf(FP,"\n writing merged snapshot file to  %s \n",outfile);
        fpout=fopen(outfile,"w");
        
        for (ip=0;ip<=NPROCX-1; ip++)
            for (jp=0;jp<=NPROCY-1; jp++){
                sprintf(file,"%s.shot%i.%i.%i",mfile,shot,ip,jp);
                fp[jp][ip]=fopen(file,"r");
                if (fp[jp][ip]==NULL) err("merge: can't read snapfile !");
            }
        
        
        fprintf(FP," ... finished. \n");
        
        
        fprintf(FP," Copying...");
        
        max=0.0;
        for (n=0;n<=nsnap-2; n++){
            for (ip=0;ip<=NPROCX-1; ip++){
                for (i=1;i<=NX;i+=IDX){
                    for (jp=0;jp<=NPROCY-1; jp++){
                        for (j=1;j<=NY;j+=IDY){
                            a=readdsk(fp[jp][ip],SNAP_FORMAT);
                            if (a>max) max=a;
                            writedsk(fpout,a,SNAP_FORMAT);
                        }
                    }
                }
            }
        }
        fprintf(FP," ... finished. \n");
        
        for (ip=0;ip<=NPROCX-1; ip++)
            for (jp=0;jp<=NPROCY-1; jp++)
            {
                fclose(fp[jp][ip]);
            }
        for (ip=0;ip<=NPROCX-1; ip++){
            for (jp=0;jp<=NPROCY-1; jp++){
                sprintf(file,"%s.shot%i.%i.%i",mfile,shot,ip,jp);
                remove(file);
            }
        }
    }
    if (SNAP_FORMAT==3){
        fprintf(FP," Use \n");
        fprintf(FP," xmovie n1=%d n2=%d  < %s loop=1 label1=Y label2=X title=%%g d1=%f d2=%f f1=%f f2=%f clip=%e \n",
                ((NYG-1)/IDY)+1,((NXG-1)/IDY)+1,outfile,DH,DH,DH,DH,max/10.0);
        fprintf(FP," to play the movie. \n");
    }
    
    
Tilman Steinweg's avatar
Tilman Steinweg committed
150
151
152
}