/*!!*(C) 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.
*/!!/*
!*FORTRANC90 Implementation: bufr_expanded
*!!* Description: how to read all the exapandedexpanded data values from BUFR messages.
! *!program*/
#include "eccodes.h"
void usage(char* prog) {
bufr_expanded
use eccodes
implicit none
integer printf("usage:: %s infile\n",prog);
ifile
integerexit(1);
}
int main(int argc,char* argv[])
{
char* filename = NULL;
:: iret
integer FILE*in=NULL;
::ibufrinteger/*messagehandle.Requiredinalltheeccodescalls acting on a message.*/
:: i
integercodes_handle*h=NULL;
double *values = NULL;
:: count=0
integer(kind=4)size_t values_len=0;
int i, err=0;
:: numberOfValues
real(kind=8), dimension(:), allocatable int cnt=0;:: values if (argc!=2) usage(argv[0]);
filename=argv[1];
/* open bufr file */
in=fopen(filename,"r");
if (!in) {
printf("ERROR: unable to open file %s\n", filename);
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)
{call codes_open_file(ifile,'../../data/bufr/syno_1.bufr','r')
! The first bufr message is loaded from file,
! ibufr is the bufr id to be used in subsequent calls
call codes_bufr_new_from_file(ifile,ibufr,iret)
do while (iret/=CODES_END_OF_FILE)
write(*,*) 'message: ',count
! We need to instruct ecCodes to expand all the descriptors
! i.e. unpack the data values
call codes_set(ibufr,"unpack",1);
! Get the expanded data values
call codes_get(ibufr,'numericValues',values)
numberOfValues=size(values)
do i=1,numberOfValuesif (h == NULL) {write(*,*) ' ',i,values(i)enddo
!Releasethe printf("Error: unable to create handle for message %d\n",cnt);bufr message
call codes_release(ibufr)
!Loadthenext cnt++;bufr message continue;call codes_bufr_new_from_file(ifile,ibufr,iret)
!Free }arraydeallocate(values)
count=count+1
enddo
!Closefile
/*get the size of the values array*/
CODES_CHECK(codes_get_size(h,"numericValues",&values_len),0);
printf(" number of expanded values: %ld\n",values_len);
/* allocate array for data values */
values = malloc(values_len*sizeof(double));
/* get the exapanded data values*/
CODES_CHECK(codes_get_double_array(h,"numericValues",values,&values_len),0);
for(i = 0; i < values_len; i++)
{
printf(" %.10e\n",values[i]);call codes_close_file(ifile)
end program bufr_expanded
Tabs Page
title
Python
Code Block
language
python
title
bufr_expanded.py
linenumbers
false
# Copyright 2005- 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_get_keys
#
# Description: how to read values of different type of keys from BUFR messages.
#
#
from __future__ import absolute_import
import sys
import traceback
from eccodes import *
INPUT = '../../data/bufr/syno_1.bufr'
VERBOSE = 1 # verbose error reporting
def example():
# open bufr file
f = open(INPUT, 'rb')
cnt = 0
# loop for the messages in the file
while 1:}
#gethandleformessage
bufr free(values);
= codes_bufr_new_from_file(f)
ifbufr isNone:/*deletehandle*/break
codes_handle_delete(h);print("message: %s" % cnt)
#weneedtoinstructecCodestoexpandcnt++;
allthe }descriptorsfclose(in);
return 0;
}
Tabs Page
title
Fortran 90
Code Block
language
none
title
bufr_expanded.f90
linenumbers
false
!
!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.
!
!
! FORTRAN 90 Implementation: bufr_expanded
!
! Description: how to read all the exapanded data values from BUFR messages.
!
!
program bufr_expanded
use eccodes
implicit none
integer :: ifile
integer :: iret
integer# i.e. unpack the data values
codes_set(bufr, 'unpack', 1)
# ----------------------------------
# get all the expanded data values
# ----------------------------------
key = 'numericValues'
# get size
num = codes_get_size(bufr, key)
print(' size of %s is: %s' % (key, num))
# :: ibufr
integerget values
values :: i
integer= codes_get_array(bufr, key)
fori :: count=0
integer(kind=4)in range(len(values)):
::numberOfValues
real(kind=8),dimension(:),allocatableprint(":: values
call codes_open_file(ifile,'../../data/bufr/syno_1.bufr','r')
! the first bufr message is loaded from file
! ibufr is the bufr id to be used in subsequent calls
call codes_bufr_new_from_file(ifile,ibufr,iret)
do while (iret/=CODES_END_OF_FILE)
! get and print some keys form the BUFR header
write(*,*) 'message: ',count
! we need to instruct ecCodes to expand all the descriptors
! i.e. unpack the data values
call codes_set(ibufr,"unpack",1);
! get the size of the values array
call codes_get_size(ibufr,"numericValues",numberOfValues)
print*, ' number of exapanded values:', numberOfValues
! allocate array for data values
allocate(values(numberOfValues), stat=iret)
! get the exapanded data values
call grib_get(ibufr,'numericValues',values)
do i=1,numberOfValues
write(*,*) ' ',i,values(i)
enddo
! release the bufr message
call codes_release(ibufr)
! load the next bufr message
call codes_bufr_new_from_file(ifile,ibufr,iret)
! free array
deallocate(values)
count=count+1
end do
! close file
call codes_close_file(ifile)
end program bufr_expanded
Tabs Page
title
Python
%d %.10e" % (i + 1, values[i]))
cnt += 1
# delete handle
codes_release(bufr)
# close the file
f.close()
def main():
try:
example()
except CodesInternalError as err:
if VERBOSE:
traceback.print_exc(file=sys.stderr)
else:
sys.stderr.write(err.msg + '\n')
return 1
if __name__ == "__main__":
sys.exit(main())
Tabs Page
title
C
Code Block
language
cpp
title
bufr_expanded.c
linenumbers
false
/*
* Copyright 2005- 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_expanded
*
* Description: how to read all the expanded data values from BUFR messages.
*
*/
#include "eccodes.h"
static void usage(const char* prog) {
printf("usage: %s infile\n",prog);
exit(1);
}
int main(int argc,char* argv[])
{
char* filename = NULL;
FILE* in = NULL;
/* message handle. Required in all the ecCodes calls acting on a message.*/
codes_handle* h=NULL;
double *values = NULL;
size_t values_len=0;
int i, err=0;
int cnt=0;
if (argc!=2) usage(argv[0]);
filename=argv[1];
/* open bufr file */
in=fopen(filename,"rb");
if (!in) {
printf("ERROR: unable to open file %s\n", filename);
return 1;
}
/* loop over
Code Block
language
python
title
bufr_expanded.py
linenumbers
false
# 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_get_keys
#
# Description: how to read values of different type of keys from BUFR messages.
#
#
import traceback
import sys
from eccodes import *
INPUT='../../data/bufr/syno_1.bufr'
VERBOSE=1 # verbose error reporting
def example():
# open bufr file
f = open(INPUT)
cnt=0
# loop for the messages in the bufr file */
while 1:
# get handle for message((h = codes_handle_new_from_file(NULL, in, PRODUCT_BUFR, &err)) != NULL || err != CODES_SUCCESS)
{ ifgid(h = codes_bufr_new_from_file(f)= NULL) {ifgidisNone printf("Error: break
unabletocreatehandle print "message: %s" % cnt
# we need to instruct ecCodes to expand all the descriptors
# i.e. unpack the data values
codes_set(gid,'unpack',1);
#-----------------------------------
# get all the expanded data values
#-----------------------------------for message %d\n",cnt);key='numericValues'
cnt++;
# get sizecontinue;num=codes_get_size(gid,key)}
print/*get'thesize of %stheis: %s' % (key,num)values array*/CODES_CHECK(codes_get_size(h, "numericValues", &values_len),0);
#getvalues
printf("numberofexpandedvalues:%lu\n",values=codes_get_array(gid,key)_len);
for/*iallocatein xrange(len(values)):
array for data values */
valuesprint " %d %.10e" % (i+1,values[i])= (double*)malloc(values_len*sizeof(double));cnt+=1
/* get the expanded data values*/
#deletehandle
CODES_CHECK(codes_get_double_array(h,"numericValues", codes_release(gid)
values, &values_len),0);
# close the file
f.close()
def main():
for(i = 0; i < values_len; i++)
try:{example()
printf("except CodesInternalError,err: %.10e\n",values[i]);if VERBOSE:}
free(values);
traceback.print_exc(file=sys.stderr)
/*deletehandleelse:*/codes_handle_delete(h);
print>>sys.stderr,err.msg
cnt++;
return 1}if__name__== "__main__":
fclose(in);
sys.exit(main())return 0;
}