/*
!* 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 FORTRAN 90 implementation: bufr_set_keys
*!!* Description: how to set different type of keys in BUFR messages.
! *! */
#include "eccodes.h"
void usage(char* prog) {
program bufr_set_keys
use eccodes
implicit none
integerprintf("usage:%sinfile\n",prog);
exit(1);
}
intmain(intargc,char*argv[])
{
FILE*in=NULL;
FILE*out=NULL;
/*messagehandle.Requiredinalltheeccodescalls acting on a message.*/
:: err,i,iret
integer codes_handle*h=NULL;
long longVal;
/*doubledoubleVal;*/
inti,err=0;
intcnt=0;
size_tsize= 0;
:: infile,outfile
integer char*infile="../../data/bufr/syno_multi.bufr";
constvoid *buffer=NULL;
if(argc!=2){
usage(argv[0]);
return::1;ibufrinteger}
in=fopen(infile,"r");
out =fopen(argv[1],"w");
if(!in||!out){
perror("ERROR:unabletoopenfiles");
::count=0
ifinteger(outkind=4) fclose(out);
if(in)fclose(in);
return1;
}
/*loopoverthe::messagescentre,incentreNew
thebufrfile*/
!openinputfilewhile((h=call codes_handle_new_fromopen_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 expand the descriptors
i.e. unpack the data values */
/*CODES_CHECK(codes_set_long(h,"unpack",1),0);*/
/* This is the place where you may wish to modify the message*/
/*E.g. we change the centre */
/* set bufrHeaderCentre */
longVal=222;
CODES_CHECK(codes_set_long(h, "bufrHeaderCentre", longVal),0);
printf(" set bufrHeaderCentre to: %ld\n",longVal);
/* check bufrHeaderCentre */
CODES_CHECK(codes_get_long(h,"bufrHeaderCentre",&longVal),0);
printf(" bufrHeaderCentre's new value is: %ld\n",longVal);
/* get the modified message in a buffer */
CODES_CHECK(codes_get_message(h,&buffer,&size),0);
/* write the buffer to a file */
if(fwrite(buffer,1,size,out) != size) {
perror(argv[0]);
return 1;
}
/* delete handle */
codes_handle_delete(h);
cnt++;
}
fclose(in);
return 0;
}
Tabs Page
title
Fortran 90
infile,'../../data/bufr/syno_multi.bufr','r')
! open output file
call codes_open_file(outfile,'bufr_set_keys_test_f.tmp.bufr','w')
! 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(infile,ibufr,iret)
do while (iret/=CODES_END_OF_FILE)
write(*,*) 'message: ',count
! This is the place where you may wish to modify the message
! E.g. we change the centre
! set centre
centre=222
call codes_set(ibufr,'bufrHeaderCentre',222)
write(*,*) ' set bufrHeaderCentre to:',centre
! check centre's new value
centreNew=0
call codes_get(ibufr,'bufrHeaderCentre',centreNew)
write(*,*) ' bufrHeaderCentre''s new value:',centreNew
! write modified message to a file
call codes_write(ibufr,outfile)
! relase the handle
call codes_release(ibufr)
! next message from source
call codes_bufr_new_from_file(infile,ibufr,iret)
count=count+1
end do
call codes_close_file(infile)
call codes_close_file(outfile)
end program bufr_set_keys
Tabs Page
title
Python
Code Block
language
python
title
bufr_set_keys.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_set_keys
#
# Description: how to set different type of keys in BUFR messages.
#
#
import traceback
import sys
from eccodes import *
INPUT = '../../data/bufr/syno_multi.bufr'
OUTPUT = 'bufr_set_keys_test_p.tmp.bufr'
VERBOSE = 1 # verbose error reporting
def example():
# open bufr file
fin = open(INPUT)
# open otput bufr file
fout = open(OUTPUT, 'w')
cnt = 0
# loop for the messages in the file
while 1:
# get handle for message
gid = codes_bufr_new_from_file(fin)
if gid is None:
break
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)
# This is the place where you may wish to modify the message
# E.g. we change the centre
# set centre
val = 222
print ' set bufrHeaderCentre to: %d' % val
key = 'bufrHeaderCentre'
try:
Code Block
language
none
title
bufr_set_keys.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_set_keys
!
! Description: how to set different type of keys in BUFR messages.
!
!
program bufr_set_keys
use eccodes
implicit none
integer :: err,i,iret
integer :: infile,outfile
integerprint'%s:%s'%(key,codes_set(gid,key,val))
exceptCodesInternalError,err:
::ibufr
printinteger'Errorwithkey="%s":%s'%(key,err.msg)
#checkbufrHeaderCentre'svalue
print'%s''snewvalueis:%d'%(key, codes_get(gid,key))
::count=0
integer(kind=4)#writemodifiedmessagetooutput
codes_write(gid,fout)
cnt+=1
::centre,centreNew
#deletehandle!open inputfilecall codes_open_file(infile,'../../data/bufr/syno_multi.bufr','r')
release(gid)
!open output file
fin.close()
call codes_open_file(outfile,'bufr_set_keys_test_f.tmp.bufr','w')
! 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(infile,ibufr,iret)
do while (iret/=CODES_END_OF_FILE)
write(*,*) 'message: ',count
! This is the place where you may wish to modify the message
! E.g. we change the centre
! set centre
centre=222
call codes_set(ibufr,'bufrHeaderCentre',222)
write(*,*) ' set bufrHeaderCentre to:',centre
! check centre's new value
centreNew=0
call codes_get(ibufr,'bufrHeaderCentre',centreNew)
write(*,*) ' bufrHeaderCentre''s new value:',centreNew
! write modified message to a file
call codes_write(ibufr,outfile)
! relase the handle
call codes_release(ibufr)
! next message from source
call codes_bufr_new_from_file(infile,ibufr,iret)
count=count+1
end do
call codes_close_file(infile)
call codes_close_file(outfile)
end program bufr_set_keys
/*
* 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_set_keys
*
* Description: how to set different type of keys in BUFR 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;
FILE* out = NULL;
/* message handle. Required in all the eccodes calls acting on a message.*/
codes_handle* h=NULL;
long longVal;
/*double doubleVal;*/
int i, err=0;
int cnt=0;
size_t size = 0;
char* infile = "../../data/bufr/syno_multi.bufr";
const void *buffer = NULL;
if (argc != 2) {
usage(argv[0]);
return 1;
}
in = fopen(infile,"r");
out = fopen(argv[1],"w");
if (!in || !out) {
perror("ERROR: unable to open files");
if (out) fclose(out);
if (in) fclose(in);
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)
{
Code Block
language
python
title
bufr_set_keys.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_set_keys
#
# Description: how to set different type of keys in BUFR messages.
#
#
import traceback
import sys
from eccodes import *
INPUT='../../data/bufr/syno_multi.bufr'
OUTPUT='bufr_set_keys_test_p.tmp.bufr'
VERBOSE=1 # verbose error reporting
def example():
# open bufr file
fin = open(INPUT)
# open otput bufr file
fout = open(OUTPUT,'w')
cnt=0
# loop for the messages in the file
while 1:
# get handle for message
gid = codes_bufr_new_from_file(fin)
if gid(his None: break
== NULL) {
print"message:%sprintf("Error:%unablecnt
tocreatehandleformessage%d\n",cnt);
#weneedtoinstructecCodestoexpandall the descriptors cnt++;#i.e.unpackthedata valuescontinue;#codes_set(gid,'unpack',1)}# This is the place where you may wish to modify the message
# E.g. we change the centre
printf("message: %d\n",cnt);
/* we need to instruct ecCodes to expand the descriptors
i.e.unpackthe#datasetvaluescentre*/val=222/*CODES_CHECK(codes_set_long(h,"unpack",1),0);*/
print/*'ThisissetthebufrHeaderCentre to: %d' % val
key='bufrHeaderCentre'place where you may wish to modify the message*/try:
/*E.g. we change the centre */
print'/*%s:set%s' % (key,codes_set(gid,key,val))
bufrHeaderCentre */
longVal=222;
exceptCodesInternalError,err:
CODES_CHECK(codes_set_long(h,"bufrHeaderCentre",longVal),0);
print'Errorwithkey="%s" : %s' % (key,err.msg)
printf(" set bufrHeaderCentre to: %ld\n",longVal);
/*checkbufrHeaderCentre*/#check bufrHeaderCentre's valueCODES_CHECK(codes_get_long(h,"bufrHeaderCentre",&longVal),0);print 'printf("%s'bufrHeaderCentre's new value is: %d' % (key,codes_get(gid,key)) is: %ld\n",longVal);
# write/* get the modified message in atobufferoutput*/CODES_CHECK(codes_write(gid,fout)
get_message(h,&buffer,&size),0);
cnt+=1
/*writethebufferto#adeletefilehandle*/codes_release(gid)
fin.close()
if(fwrite(buffer,1,size,out) != size) {
fout.close()
def main():
try:perror(argv[0]);example()
except CodesInternalError,err:return 1;if VERBOSE:}
/*delete traceback.print_exc(file=sys.stderr)handle */else:codes_handle_delete(h);
cnt++;
print >>sys.stderr,err.msg}fclose(in);
return 1
if __name__ == "__main__":
sys.exit(main())0;
}