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# Copyright 2005-2015 ECMWF.
#
# This software is licensed under the terms of the Apache Licence Version 2.0
# which can be obtained at http://www.apache.org/licenses/LICENSE-2.0.
#
# In applying this licence, ECMWF does not waive the privileges and immunities
# granted to it by virtue of its status as an intergovernmental organisation
# nor does it submit to any jurisdiction.

#
# Python implementation: bufr_read_synop
#
# Description: how to read data values from BUFR messages.
#

# Please note that SYNOP reports can be encoded in various ways in BUFR.
# Therefore the code below might not work directly for other types of SYNOP
# messages than the one used in the example. It is advised to use bufr_dump to
# understand the structure of the messages.

import traceback
import sys

from eccodes import *

INPUT = '../../data/bufr/syno_multi.bufr'
VERBOSE = 1  # verbose error reporting


def example():

    # open bufr file
    f = open(INPUT)

    # define the keys to be printed
    keys = [
        'blockNumber',
        CODES_CHECK(codes_get_long(h,"cloudType#2",&longVal),0);
'stationNumber',
        'latitude',
  printf("  cloudType (middle): %ld\n",longVal);    'longitude',
        'airTemperatureAt2M',
        'dewpointTemperatureAt2M',
   /* Cloud type (high clouds) */ 'windSpeedAt10M',
        CODES_CHECK(codes_get_long(h,"cloudType#3",&longVal),0);'windDirectionAt10M',
        printf("'#1#cloudAmount',  cloudType# (high): %ld\n",longVal);cloud amount (low and mid level)
        '#1#heightOfBaseOfCloud',
        /* delete handle */
  '#1#cloudType',  # cloud type (low clouds)
      codes_handle_delete(h);
  '#2#cloudType',  # cloud type (middle clouds)
        cnt++;
'#3#cloudType'  # cloud }type (highclouds)
    ]

    fclose(in);
    return 0;
}

/*
 * Copyright 2005-2015 ECMWF.
 *
 * This software is licensed under the terms of the Apache Licence Version 2.0
 * which can be obtained at http://www.apache.org/licenses/LICENSE-2.0.
 *
 * In applying this licence, ECMWF does not waive the privileges and immunities granted to it by
 * virtue of its status as an intergovernmental organisation nor does it submit to any jurisdiction.
 */

/*
 * C Implementation: bufr_read_synop
 *
 * Description: how to read SYNOP BUFR messages.
 *
 */

/* 
 * Please note that SYNOP reports can be encoded in various ways in BUFR. Therefore the code
 * below might not work directly for other types of SYNOP messages than the one used in the
 * example. It is advised to use bufr_dump to understand the structure of the messages.
 */


#include "eccodes.h"

void usage(char* prog) {
    printf("usage: %s infile\n",prog);
    exit(1);
}

int main(int argc,char* argv[])
{
    FILE* in = NULL;
    
    /* message handle. Required in all the eccodes calls acting on a message.*/
    codes_handle* h=NULL;

    long longVal;
    double doubleVal;
    int err=0;
    int cnt=0;
    char* infile = "../../data/bufr/syno_multi.bufr";

    in=fopen(infile,"r");
    if (!in) {
        printf("ERROR: unable to open file %s\n", infile);
        return 1;
    }
    
    /* loop over the messages in the bufr file */
    while ((h = codes_handle_new_from_file(NULL,in,PRODUCT_BUFR,&err)) != NULL || err != CODES_SUCCESS)
    {
        if (h == NULL) {
            printf("Error: unable to create handle for message %d\n",cnt);
            cnt++;
            continue;
        }
    
        printf("message: %d\n",cnt);
    
        /* we need to instruct ecCodes to unpack the data values */
        CODES_CHECK(codes_set_long(h,"unpack",1),0);
    
        /* station id*/     
        CODES_CHECK(codes_get_long(h,"blockNumber",&longVal),0);
        printf("  blockNumber: %ld\n",longVal);
    
        CODES_CHECK(codes_get_long(h,"stationNumber",&longVal),0);
        printf("  stationNumber: %ld\n",longVal);
    
        /* location*/     
        CODES_CHECK(codes_get_double(h,"latitude",&doubleVal),0);
        printf("  latitude: %f\n",doubleVal);
    
        CODES_CHECK(codes_get_double(h,"longitude",&doubleVal),0);
        printf("  longitude: %f\n",doubleVal);
    
        /* 2m temperature */
        CODES_CHECK(codes_get_double(h,"airTemperatureAt2M",&doubleVal),0);
        printf("  airTemperatureAt2M: %f\n",doubleVal);
    
        /* 2m dewpoint temperature */
        CODES_CHECK(codes_get_double(h,"dewpointTemperatureAt2M",&doubleVal),0);
        printf("  dewpointTemperatureAt2M: %f\n",doubleVal);
    
        /* 10 wind */
        CODES_CHECK(codes_get_double(h,"windSpeedAt10M",&doubleVal),0);
        printf("  windSpeedAt10M: %f\n",doubleVal);
        
        CODES_CHECK(codes_get_double(h,"windDirectionAt10M",&doubleVal),0);
        printf("  windDirectionAt10M: %f\n",doubleVal);
        
        /*

# Copyright 2005-2015 ECMWF.
#
# This software is licensed under the terms of the Apache Licence Version 2.0
# which can be obtained at http://www.apache.org/licenses/LICENSE-2.0.
#
# In applying this licence, ECMWF does not waive the privileges and immunities granted to it by
# virtue of its status as an intergovernmental organisation nor does it submit to any jurisdiction.

#
# Python implementation: bufr_read_synop
#
# Description: how to read data values from BUFR messages.
#

#
# Please note that SYNOP reports can be encoded in various ways in BUFR. Therefore the code
# below might not work directly for other types of SYNOP messages than the one used in the
# example. It is advised to use bufr_dump to understand the structure of the messages.
#

import traceback
import sys

from eccodes import *

INPUT='../../data/bufr/syno_multi.bufr'
VERBOSE=1 # verbose error reporting

def example():

    # open bufr file
    f = open(INPUT)

    # define the keys to be printed
    keys = [
        'blockNumber',
        'stationNumber',
        'latitude',
        'longitude',
        'airTemperatureAt2M',
        'dewpointTemperatureAt2M',
        'windSpeedAt10M',
        'windDirectionAt10M',
        'cloudAmount#1',  #cloud amount (low and mid level)
        'heightOfBaseOfCloud#1', 
        'cloudType#1',   #cloud type (low clouds)
        'cloudType#2',   #cloud type (middle clouds)
        'cloudType#3'    #cloud type (highclouds)
        ]

    # The cloud information is stored in several blocks in the
    #     * SYNOP message and the same key means a different thing in different
         #* parts of the message. In this example we will read the first
    # cloud block introduced by the key
    # verticalSignificanceSurfaceObservations=1. 
    # We know that this is the first
 occurrence  of the keys we want to
 * cloud block #introduced readby sothe inkey
 the list above we used the # (occurrence) operator* accordinglyverticalSignificanceSurfaceObservations=1. 
        
 * We know cnt=0

that this is the #first loopoccurrence forof the messageskeys inwe thewant fileto
     while   1:
 * read so we will use the # get(occurrence) handleoperator foraccordingly. message*/
        gid
 = codes_bufr_new_from_file(f)
      /* Cloud ifamount gid(low isand None: break

middleclouds) */
        print "message: %s" % cnt

CODES_CHECK(codes_get_long(h,"#1#cloudAmount",&longVal),0);
        printf("  cloudAmount (low #and we need to instruct ecCodes to expand all the descriptorsmiddle): %ld\n",longVal);
        
        # i.e. unpack the data values/* Height of cloud base */
        CODES_CHECK(codes_set(gid,'unpack',1)
get_long(h,"#1#heightOfBaseOfCloud",&longVal),0);
        # print the values for the selected keys from the messageprintf("  heightOfBaseOfCloud: %ld\n",longVal);
        
        for/* keyCloud in keys:
  type (low clouds) */
          try:CODES_CHECK(codes_get_long(h,"#1#cloudType",&longVal),0);
        printf("  cloudType (low): %ld\n",longVal);
    print '  %s: %s'
 % (key,codes_get(gid,key))
      /* Cloud type (middle clouds) */
 except CodesInternalError,err:
      CODES_CHECK(codes_get_long(h,"#2#cloudType",&longVal),0);
        printf("  print 'Error with key="%s" : %s' % (key,err.msg) 

cloudType (middle): %ld\n",longVal);
        cnt+=1

        #/* deleteCloud handle
type (high       codes_release(gid)

    # close the file
    f.close()

def main():clouds) */
        CODES_CHECK(codes_get_long(h,"#3#cloudType",&longVal),0);
    try:
    printf("  cloudType  example()(high): %ld\n",longVal);
    except  CodesInternalError,err:
  
      if VERBOSE:
 /* delete handle */
        traceback.print_exc(file=sys.stderr)codes_handle_delete(h);
        else:
        cnt++;
    print >>sys.stderr,err.msg

}
    
    return 1

if __name__ == "__main__":
    sys.exit(main())fclose(in);
    return 0;
}