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root/radiance/ray/src/cv/epw2wea.c
Revision: 2.5
Committed: Fri Aug 2 21:18:40 2024 UTC (9 months ago) by greg
Content type: text/plain
Branch: MAIN
Changes since 2.4: +29 -26 lines
Log Message:
feat(epw2wea): Moved -a flag to front and made second file argument optional

File Contents

# Content
1 #ifndef lint
2 static const char RCSid[] = "$Id$";
3 #endif
4 /* Copyright (c) 2003
5 * National Research Council Canada
6 * written by Christoph Reinhart
7 */
8
9 /* epw2wea: daylight analysis subprogram of DAYSIM */
10 /* Program converts EnergyPlus weather format (*.ppw) into DAYSIM format (*.wea) */
11
12 #include <stdio.h>
13 #include <stdlib.h>
14 #include <string.h>
15
16 int main( int argc, char *argv[])
17 {
18 FILE *EPW_FILE = NULL;
19 FILE* WEA_FILE = stdout;
20 int year, month,day, hour_in,minute=60,i;
21 int minute_message=1;
22 int get_ac = 0;
23 float dir_norm_rad, dif_or_rad,dummy_float;
24 float aod;
25 int cc;
26 char keyword[2000]="";
27 char minute_string[2000]="";
28 char *epw_file = NULL;
29 char *wea_file = NULL;
30 char city[200] ="";
31 char country[200] ="";
32 char latitude[200] ="",longitude[200] ="",time_zone[200] ="",elevation[200] ="";
33
34 for ( ; argc > 2 && argv[1][0] == '-'; argc--, argv++)
35 if (argv[1][1] == 'a') {
36 get_ac = !get_ac;
37 } else {
38 fprintf(stderr, "epw2wea: unknown option: %s\n", argv[1]);
39 exit(1);
40 }
41
42 if ((argc < 2) | (argc > 3))
43 {
44 fprintf(stderr,"epw2wea: FATAL ERROR - wrong number of arguments\n");
45 fprintf(stderr,"Usage: epw2wea [-a] file-name.epw [file-name.wea]\n");
46 exit(1);
47 }
48 epw_file = argv[1];
49 EPW_FILE=fopen(epw_file, "r");
50 if (!EPW_FILE) {
51 fprintf(stderr, "%s: cannot open for reading\n", epw_file);
52 exit(1);
53 }
54 if (argc == 3) {
55 wea_file = argv[2];
56 WEA_FILE=fopen(wea_file, "w");
57 if (!WEA_FILE) {
58 fprintf(stderr, "%s: cannot open for writing\n", wea_file);
59 exit(1);
60 }
61 }
62 fscanf(EPW_FILE,"%[^,]s",keyword);
63 if( !strcmp(keyword,"LOCATION") ){
64 fscanf(EPW_FILE,",%[^,]s",city);
65 fscanf(EPW_FILE,",%[^,]s",country);
66 fscanf(EPW_FILE,",%[^,]s",country);
67 sprintf(keyword,"place %s_%s\n",city,country);
68 printf("%s",keyword);
69 fprintf(WEA_FILE,"%s",keyword);
70
71 fscanf(EPW_FILE,",%[^,]s",country);
72 fscanf(EPW_FILE,",%[^,]s",country);
73 fscanf(EPW_FILE,",%[^,]s",latitude);
74 printf("latitude %s\n",latitude);
75 fprintf(WEA_FILE,"latitude %s\n",latitude);
76 fscanf(EPW_FILE,",%[^,]s",longitude);
77
78 printf("longitude %.2f\n",-1.0*atof(longitude));
79 fprintf(WEA_FILE,"longitude %.2f\n",-1.0*atof(longitude));
80 fscanf(EPW_FILE,",%[^,]s",time_zone);
81 printf("time_zone %.2f\n",-15.0*atof(time_zone));
82 fprintf(WEA_FILE,"time_zone %.0f\n",-15.0*atoi(time_zone));
83 fscanf(EPW_FILE,",%s[^\n]",elevation);
84 printf("site_elevation %s\nweather_data_file_units 1\n",elevation);
85 fprintf(WEA_FILE,"site_elevation %s\nweather_data_file_units 1\n",elevation);
86
87 fscanf(EPW_FILE,"%*[^\n]");fscanf(EPW_FILE,"%*[\n\r]");
88 fscanf(EPW_FILE,"%*[^\n]");fscanf(EPW_FILE,"%*[\n\r]");
89 fscanf(EPW_FILE,"%*[^\n]");fscanf(EPW_FILE,"%*[\n\r]");
90 fscanf(EPW_FILE,"%*[^\n]");fscanf(EPW_FILE,"%*[\n\r]");
91 fscanf(EPW_FILE,"%*[^\n]");fscanf(EPW_FILE,"%*[\n\r]");
92 fscanf(EPW_FILE,"%*[^\n]");fscanf(EPW_FILE,"%*[\n\r]");
93 fscanf(EPW_FILE,"%*[^\n]");fscanf(EPW_FILE,"%*[\n\r]");
94
95 /* read in time step interval */
96 fscanf(EPW_FILE,"%[^,]s",keyword);
97 fscanf(EPW_FILE,",%[^,]s",keyword);
98 fscanf(EPW_FILE,",%[^,]s",minute_string);
99 minute=atoi(minute_string);
100 if(minute==1) /* one measurement per hour equals a 60 minute time step */
101 minute=60;
102 fscanf(EPW_FILE,"%*[^\n]");fscanf(EPW_FILE,"%*[\n\r]");
103
104 while( EOF != fscanf(EPW_FILE,"%d,%d,%d,%d",&year,&month,&day, &hour_in)){
105
106 fprintf(WEA_FILE,"%d %d %.3f ",month,day,hour_in*1.0-minute*(0.5/60));
107
108 fscanf(EPW_FILE,",%f",&dummy_float);
109 fscanf(EPW_FILE,",%[^,]s",city);
110 fscanf(EPW_FILE,",%f",&dummy_float);
111 fscanf(EPW_FILE,",%f",&dummy_float);
112 fscanf(EPW_FILE,",%f",&dummy_float);
113 fscanf(EPW_FILE,",%f",&dummy_float);
114 fscanf(EPW_FILE,",%f",&dummy_float);
115 fscanf(EPW_FILE,",%f",&dummy_float);
116 fscanf(EPW_FILE,",%f",&dummy_float);
117 fscanf(EPW_FILE,",%f",&dummy_float);
118
119 fscanf(EPW_FILE,",%f,%f",&dir_norm_rad, &dif_or_rad);
120 fprintf(WEA_FILE,"%.0f %.0f",dir_norm_rad, dif_or_rad);
121 if (get_ac){
122 fscanf(EPW_FILE,",%f",&dummy_float);
123 fscanf(EPW_FILE,",%f",&dummy_float);
124 fscanf(EPW_FILE,",%f",&dummy_float);
125 fscanf(EPW_FILE,",%f",&dummy_float);
126 fscanf(EPW_FILE,",%f",&dummy_float);
127 fscanf(EPW_FILE,",%f",&dummy_float);
128 fscanf(EPW_FILE,",%d",&cc);
129 fscanf(EPW_FILE,",%f",&dummy_float);
130 fscanf(EPW_FILE,",%f",&dummy_float);
131 fscanf(EPW_FILE,",%f",&dummy_float);
132 fscanf(EPW_FILE,",%f",&dummy_float);
133 fscanf(EPW_FILE,",%f",&dummy_float);
134 fscanf(EPW_FILE,",%f",&dummy_float);
135 fscanf(EPW_FILE,",%f",&aod);
136
137 fprintf(WEA_FILE," %.3f %.1f",aod, cc/10.);
138
139 }
140
141 fscanf(EPW_FILE,"%*[^\n]");fscanf(EPW_FILE,"%*[\n\r]");
142 fprintf(WEA_FILE,"\n");
143 }
144
145 }else{
146 fprintf(stderr,"epw2wea: FATAL ERROR - this does not seem to be an epw file \n");exit(1);
147 }
148
149 fclose(EPW_FILE);
150 fclose(WEA_FILE);
151 return 0;
152 }
153
154