ViewVC Help
View File | Revision Log | Show Annotations | Download File | Root Listing
root/radiance/ray/src/cv/epw2wea.c
Revision: 2.3
Committed: Mon Dec 16 23:04:04 2013 UTC (10 years, 9 months ago) by greg
Content type: text/plain
Branch: MAIN
CVS Tags: rad5R4, rad5R2, rad4R2P2, rad5R0, rad5R1, rad4R2, rad4R2P1, rad5R3
Changes since 2.2: +1 -1 lines
Log Message:
Fixed problem with fractional timezones not reproducing in header

File Contents

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