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#ifndef lint |
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static const char RCSid[] = "$Id: epw2wea.c,v 2.5 2024/08/02 21:18:40 greg Exp $"; |
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#endif |
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/* Copyright (c) 2003 |
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* National Research Council Canada |
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* written by Christoph Reinhart |
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*/ |
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|
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/* epw2wea: daylight analysis subprogram of DAYSIM */ |
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/* Program converts EnergyPlus weather format (*.ppw) into DAYSIM format (*.wea) */ |
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|
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#include <stdio.h> |
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#include <stdlib.h> |
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#include <string.h> |
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|
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int main( int argc, char *argv[]) |
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{ |
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FILE *EPW_FILE = NULL; |
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FILE* WEA_FILE = stdout; |
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int year, month,day, hour_in,minute=60,i; |
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int minute_message=1; |
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int get_ac = 0; |
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float dir_norm_rad, dif_or_rad,dummy_float; |
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float aod; |
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int cc; |
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char keyword[2000]=""; |
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char minute_string[2000]=""; |
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char *epw_file = NULL; |
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char *wea_file = NULL; |
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char city[200] =""; |
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char country[200] =""; |
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char latitude[200] ="",longitude[200] ="",time_zone[200] ="",elevation[200] =""; |
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|
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for ( ; argc > 2 && argv[1][0] == '-'; argc--, argv++) |
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if (argv[1][1] == 'a') { |
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get_ac = !get_ac; |
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} else { |
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fprintf(stderr, "epw2wea: unknown option: %s\n", argv[1]); |
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exit(1); |
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} |
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|
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if ((argc < 2) | (argc > 3)) |
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{ |
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fprintf(stderr,"epw2wea: FATAL ERROR - wrong number of arguments\n"); |
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fprintf(stderr,"Usage: epw2wea [-a] file-name.epw [file-name.wea]\n"); |
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exit(1); |
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} |
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epw_file = argv[1]; |
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EPW_FILE=fopen(epw_file, "r"); |
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if (!EPW_FILE) { |
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fprintf(stderr, "%s: cannot open for reading\n", epw_file); |
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exit(1); |
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} |
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if (argc == 3) { |
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wea_file = argv[2]; |
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WEA_FILE=fopen(wea_file, "w"); |
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if (!WEA_FILE) { |
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fprintf(stderr, "%s: cannot open for writing\n", wea_file); |
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exit(1); |
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} |
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} |
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fscanf(EPW_FILE,"%[^,]s",keyword); |
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if( !strcmp(keyword,"LOCATION") ){ |
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fscanf(EPW_FILE,",%[^,]s",city); |
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fscanf(EPW_FILE,",%[^,]s",country); |
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fscanf(EPW_FILE,",%[^,]s",country); |
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sprintf(keyword,"place %s_%s\n",city,country); |
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fprintf(WEA_FILE,"%s",keyword); |
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|
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fscanf(EPW_FILE,",%[^,]s",country); |
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fscanf(EPW_FILE,",%[^,]s",country); |
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fscanf(EPW_FILE,",%[^,]s",latitude); |
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fprintf(WEA_FILE,"latitude %s\n",latitude); |
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fscanf(EPW_FILE,",%[^,]s",longitude); |
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|
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fprintf(WEA_FILE,"longitude %.2f\n",-1.0*atof(longitude)); |
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fscanf(EPW_FILE,",%[^,]s",time_zone); |
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fprintf(WEA_FILE,"time_zone %.0f\n",-15.0*atoi(time_zone)); |
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fscanf(EPW_FILE,",%s[^\n]",elevation); |
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fprintf(WEA_FILE,"site_elevation %s\nweather_data_file_units 1\n",elevation); |
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|
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fscanf(EPW_FILE,"%*[^\n]");fscanf(EPW_FILE,"%*[\n\r]"); |
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fscanf(EPW_FILE,"%*[^\n]");fscanf(EPW_FILE,"%*[\n\r]"); |
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fscanf(EPW_FILE,"%*[^\n]");fscanf(EPW_FILE,"%*[\n\r]"); |
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fscanf(EPW_FILE,"%*[^\n]");fscanf(EPW_FILE,"%*[\n\r]"); |
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fscanf(EPW_FILE,"%*[^\n]");fscanf(EPW_FILE,"%*[\n\r]"); |
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fscanf(EPW_FILE,"%*[^\n]");fscanf(EPW_FILE,"%*[\n\r]"); |
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fscanf(EPW_FILE,"%*[^\n]");fscanf(EPW_FILE,"%*[\n\r]"); |
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|
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/* read in time step interval */ |
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fscanf(EPW_FILE,"%[^,]s",keyword); |
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fscanf(EPW_FILE,",%[^,]s",keyword); |
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fscanf(EPW_FILE,",%[^,]s",minute_string); |
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minute=atoi(minute_string); |
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if(minute==1) /* one measurement per hour equals a 60 minute time step */ |
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minute=60; |
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fscanf(EPW_FILE,"%*[^\n]");fscanf(EPW_FILE,"%*[\n\r]"); |
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|
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while( EOF != fscanf(EPW_FILE,"%d,%d,%d,%d",&year,&month,&day, &hour_in)){ |
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|
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fprintf(WEA_FILE,"%d %d %.3f ",month,day,hour_in*1.0-minute*(0.5/60)); |
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|
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fscanf(EPW_FILE,",%f",&dummy_float); |
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fscanf(EPW_FILE,",%[^,]s",city); |
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fscanf(EPW_FILE,",%f",&dummy_float); |
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fscanf(EPW_FILE,",%f",&dummy_float); |
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fscanf(EPW_FILE,",%f",&dummy_float); |
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fscanf(EPW_FILE,",%f",&dummy_float); |
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fscanf(EPW_FILE,",%f",&dummy_float); |
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fscanf(EPW_FILE,",%f",&dummy_float); |
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fscanf(EPW_FILE,",%f",&dummy_float); |
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fscanf(EPW_FILE,",%f",&dummy_float); |
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|
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fscanf(EPW_FILE,",%f,%f",&dir_norm_rad, &dif_or_rad); |
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fprintf(WEA_FILE,"%.0f %.0f",dir_norm_rad, dif_or_rad); |
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if (get_ac){ |
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fscanf(EPW_FILE,",%f",&dummy_float); |
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fscanf(EPW_FILE,",%f",&dummy_float); |
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fscanf(EPW_FILE,",%f",&dummy_float); |
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fscanf(EPW_FILE,",%f",&dummy_float); |
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fscanf(EPW_FILE,",%f",&dummy_float); |
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fscanf(EPW_FILE,",%f",&dummy_float); |
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fscanf(EPW_FILE,",%d",&cc); |
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fscanf(EPW_FILE,",%f",&dummy_float); |
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fscanf(EPW_FILE,",%f",&dummy_float); |
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fscanf(EPW_FILE,",%f",&dummy_float); |
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fscanf(EPW_FILE,",%f",&dummy_float); |
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fscanf(EPW_FILE,",%f",&dummy_float); |
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fscanf(EPW_FILE,",%f",&dummy_float); |
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fscanf(EPW_FILE,",%f",&aod); |
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|
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fprintf(WEA_FILE," %.3f %.1f",aod, cc/10.); |
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|
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} |
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|
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fscanf(EPW_FILE,"%*[^\n]");fscanf(EPW_FILE,"%*[\n\r]"); |
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fprintf(WEA_FILE,"\n"); |
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} |
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|
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}else{ |
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fprintf(stderr,"epw2wea: FATAL ERROR - this does not seem to be an epw file \n");exit(1); |
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} |
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|
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fclose(EPW_FILE); |
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fclose(WEA_FILE); |
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return 0; |
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} |
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