/*
* !
!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.
*/!!/*
!*FOTRANC90 Implementation: bufr_get_keys
*!!* Description: how to read values of different type of keys from BUFR messages.
!
!program*bufr_get_keysuse*/eccodesimplicit none#include "eccodes.h"
int main(int argc,char* argv[])
{
integer FILE*in=::NULL;ifileinteger/*messagehandle.Requiredinalltheeccodescalls acting on a message.*/
:: iret
integer codes_handle*h=NULL;
long *descriptors=NULL;
:: ibufr
integerdouble*values=NULL;
char*typicalDate= NULL;
:: i, count=0
integer(kind=4)long longVal;
:: blockNumber,stationNumber
real(kind=8)doubledoubleVal;
size_t values_len=0, desc_len=0, len=0;
int i, err=0;
int cnt=0;
const char* infile = ":: t2m
integer(kind=4), dimension(:), allocatable :: descriptors
real(kind=8), dimension(:), allocatable :: values
character(len=9) :: typicalDate
call codes_open_file(ifile,'../../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','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)
! For debugging
call codes_dump(ibufr)
! 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);
!getas cnt++;charactercallcodes_get(ibufr,'typicalDate',typicalDate)
write(*,*)'continue;typicalDate:',typicalDate!}
getasinteger
call printf("message: %d\n",cntcodes_get(ibufr,'blockNumber',blockNumber);
/* we need to instruct ecCodes to expand the descriptors write(*,*) ' blockNumber:',blockNumber
!getasinteger
i.e.unpack the data values */
CODES_CHECK(codes_set_long(h,"unpack",1),0);
call codes_get(ibufr,'stationNumber',stationNumber);
write(*,*)' /* read and print some data values */
stationNumber:',stationNumber
! get as real
/* long value */
CODES_CHECK(codes_get_long(h,"blockNumber",&longVal),0)call codes_get(ibufr,'airTemperatureAt2M',t2m);
write(*,*)' printf(" blockNumber: %ld\n",longVal);
airTemperatureAt2M:',t2m /* long value */! ---- array of integer ----------------
!getthe CODES_CHECK(exapanded descriptors
call codes_get_long(h,"stationNumber",&longVal),0);
ibufr,'bufrdcExpandedDescriptors',descriptors)
printf(" stationNumber: %ld\n",longVal);
do i=1,size(descriptors)
/write(*,*)double'value */
',i,descriptors(i)
enddoCODES_CHECK(codes_get_double(h,"airTemperatureAt2M",&doubleVal),0);!----arrayofprintf(" airTemperatureAt2M: %f\n",doubleVal);
/* ---- string value --real ----------------*//* ! get the sizeexapandedand allocate memory*/data values CODES_CHECK(call codes_get_length(h, "typicalDate", &len), 0);(ibufr,'numericValues',values)
do i=1,size(values)typicalDate = (char*)malloc(len*sizeof(char));
write(*,*) ' ',i,values(i)
enddo
/*getthevalues*/
!getascharacter
call codes_get_string(hibufr, "typicalDate", typicalDate, &len);'typicalDate',typicalDate)
write(*,*) ' typicalDate:',typicalDate
!freearraysprintf(" deallocate(values)
typicalDate:%s\n", typicalDate); deallocate(descriptors)!releasethebufr/* ---- array of long ----------------*/message
call codes_release(ibufr) /* get! load the sizenextand allocate memory*/bufr message CODES_CHECK(codes_get_size(h,"bufrdcExpandedDescriptors",&desc_len),0);call codes_bufr_new_from_file(ifile,ibufr,iret)descriptors = (long*)malloc(desc_len*sizeof(long));
count=count+1
enddo/* get the values */
CODES_CHECK(codes_get_long_array(h,"bufrdcExpandedDescriptors",descriptors,&desc_len),0);
printf(" bufrdcExpandedDescriptors:\n");
for(i = 0; i < desc_len; i++)
{
printf(" %ld\n",descriptors[i]);
}
/* ---- array of double ---------------*/
/* get the size and allocate memory*/
CODES_CHECK(codes_get_size(h,"numericValues",&values_len),0);
values = (double*)malloc(values_len*sizeof(double));
/* get the values*/
CODES_CHECK(codes_get_double_array(h,"numericValues",values,&values_len),0);
! close file
call codes_close_file(ifile)
end program bufr_get_keys
Tabs Page
title
Python
Code Block
language
python
title
bufr_get_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_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_multi.bufr'
VERBOSE = 1 # verbose error reporting
def example():
# open bufr file
f = open(INPUT)
cnt = 0
# loop for the messages in the file
while 1:
# get handle for message
gid = codes_bufr_new_from_file(f)printf(" numericValues:\n");if gid is None:for(i=0;i < values_len; i++) break
{
print"message:%s"%cnt
printf("#we %.10e\n",values[i]);
}
need to instruct ecCodes to expand all the descriptors
/* free allocated arrays */# i.e. unpack the data valuesfree(descriptors);codes_set(gid, 'unpack', 1)
free(values);# ---------------------------------------------free(typicalDate);
/* delete handle */
# get values for keys holding a single value
# codes_handle_delete(h);---------------------------------------------
# Native type integer
key = 'blockNumber'cnt++;try:}
fclose(in);
print'return 0;
}
Tabs Page
title
Fortran 90
Code Block
language
none
title
bufr_get_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.
!
!
! FOTRAN 90 Implementation: bufr_get_keys
!
! Description: how to read values of different type of keys from BUFR messages.
!
!
program bufr_get_keys
use eccodes
implicit none
integer :: ifile
integer%s: %s' % (key, codes_get(gid, key))
except CodesInternalError, err:
print 'Error with key="%s" : %s' % (key, err.msg)
# Native type integer
key = 'stationNumber'
try:
print ' %s: %s' % (key, codes_get(gid, key))
except CodesInternalError, err:
print'Errorwithkey="%s"::: iret
integer %s' % (key, err.msg)
#Native::typeibufrfloatintegerkey='airTemperatureAt2M'
:: i, count=0
integer(kind=4) try:
::blockNumber,stationNumber
real(kind=8)print'%s:: t2m
integer(kind=4), dimension(:), allocatable %s' % (key, codes_get(gid, key))
::descriptors
real(kind=8), dimension(:), allocatable except CodesInternalError, err:
print'Errorwithkey="%s" :: values
character(len=9) :: typicalDate
call codes_open_file(ifile,'../../data/bufr/syno_multi.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 as character
call codes_get(ibufr,'typicalDate',typicalDate)
write(*,*) ' typicalDate:',typicalDate
! get as integer
call codes_get(ibufr,'blockNumber',blockNumber);
write(*,*) ' blockNumber:',blockNumber
! get as integer
call codes_get(ibufr,'stationNumber',stationNumber);
write(*,*) ' stationNumber:',stationNumber
! get as real
call codes_get(ibufr,'airTemperatureAt2M',t2m);
write(*,*) ' airTemperatureAt2M:',t2m
! ---- array of integer ----------------
! get the exapanded descriptors
call codes_get(ibufr,'bufrdcExpandedDescriptors',descriptors)
do i=1,size(descriptors) %s' % (key, err.msg)
# Native type string
key = 'typicalDate'
try:
print ' %s: %s' % (key, codes_get(gid, key))
except CodesInternalError, err:
print 'Error with key="%s" : %s' % (key, err.msg)
# --------------------------------
# get values for an array
# --------------------------------
# Native type integer
key = 'bufrdcExpandedDescriptors'
# get size
num = codes_get_size(gid, key)
print ' size of %s is: %s' % (key, num)
# get values
values = codes_get_array(gid, key)
for i in xrange(len(values)):
print " %d %06d" % (i + 1, values[i])
# Native type floatwrite(*,*)key = ' ',i,descriptors(i)
enddo numericValues'
!---- array of real ----------------# get sizenum! get the exapanded data values
call = codes_get_size(ibufr,'numericValues',valuesgid, key)
doi=1,size(values)
print'sizeof write(*,*) %s is: %s' %',i,values(i)
(key, num)
enddo
#get values!getascharacter
values= call codes_get_array(ibufr,'typicalDate',typicalDate)
write(*,*) ' typicalDate:',typicalDategid, key)!freeforarraysi
deallocatein xrange(len(values)):deallocate(descriptors)
!releasethebufrmessage
print"call codes_release(ibufr%d %.10e" % (i + 1, values[i])
!loadthenextcntbufr+=message1
call codes_bufr_new_from_file(ifile,ibufr,iret)
#deletehandlecount=count+1
codes_release(gid)enddo#close
! closethe filecall codes_close_file(ifilef.close()
end program bufr_get_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_get_keys
*
* Description: how to read values of different type of keys from BUFR messages.
*
*/
#include "eccodes.h"
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 *descriptors=NULL;
double *values = NULL;
char* typicalDate= NULL;
long longVal;
double doubleVal;
size_t values_len=0, desc_len=0, len=0;
int i, err=0;
int cnt=0;
const 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) {
Code Block
language
python
title
bufr_get_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_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_multi.bufr'
VERBOSE=1 # verbose error reporting
def example():
# open bufr file
f = open(INPUT)
cnt=0
# loop for the messages in the file
while 1:
# get handle for message
gid = codes_bufr_new_from_file(f)
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)
#----------------------------------------------
# get values for keys holding a single value
#----------------------------------------------
#Native type integer
key='blockNumber'
try:print ' %s: %s' % (key,codes_get(gid,key))
printf("Error: unable to create handle for message %d\n",cnt);
exceptCodesInternalError,err:
cnt++;
print'Errorwithkey="%s":%s'% (key,err.msg)continue;
}#Native type integerprintf("message: %d\n",cnt);
key='stationNumber'
try:/* we need to instruct ecCodes to expand the descriptors i.e.unpackthedatavalues*/
print'%s:%s'%CODES_CHECK(key,codes_get(gid,key))
except CodesInternalError,err:set_long(h,"unpack",1),0);
/*readand print 'Errorsomewith key="%s" : %s' % (key,err.msg)
data values */
/*#Nativelongtypevaluefloat*/key='airTemperatureAt2M'CODES_CHECK(codes_get_long(h,"blockNumber",&longVal),0);try:
printf(" blockNumber: %ld\n",longVal);
/*longvalue*/
print'%s:%s' % (key, CODES_CHECK(codes_get(gid,key))_long(h,"stationNumber",&longVal),0);except CodesInternalError,err:printf(" stationNumber: %ld\n",longVal);
/*doublevalue*/
print'Errorwithkey="%s":%s'% (key,err.msg)
CODES_CHECK(codes_get_double(h,"airTemperatureAt2M",&doubleVal),0);
printf("#Nativetype stringairTemperatureAt2M: %f\n",doubleVal);
key='typicalDate'
/* ---- string value -----------------*/
try:
/*getthesizeandallocatememory*/
print'%s:%s'%CODES_CHECK(key,codes_get_length(gidh,key))
except CodesInternalError,err: "typicalDate", &len), 0); print 'Error with key="%s" : %s' % (key,err.msg) typicalDate = (char*)malloc(len*sizeof(char));#---------------------------------/* get the values*/# get values for an arraycodes_get_string(h, "typicalDate", typicalDate, &len);#---------------------------------
# Native type integer
key='bufrdcExpandedDescriptors'printf(" typicalDate: %s\n", typicalDate);
/* ---- array of long ----------------*/#/* get the size and allocate memory*/num=CODES_CHECK(codes_get_size(gid,key)
h,"bufrdcExpandedDescriptors",&desc_len),0);
print' size of %sis:%s'descriptors%= (key,num)long*)malloc(desc_len*sizeof(long));#/* get the values */values=CODES_CHECK(codes_get_array(gid,key)long_array(h,"bufrdcExpandedDescriptors",descriptors,&desc_len),0);
printf(" bufrdcExpandedDescriptors:\n");
for(i= 0; i in<xrange(len(values)):desc_len; i++){
print"%d%06dprintf(" % (i+1,values %ld\n",descriptors[i]);# Native type float
key='numericValues'}
/* ---- array of double ---------------*/#/* get the size and allocate memory*/num=CODES_CHECK(codes_get_size(gid,key)
h,"numericValues",&values_len),0);
print' size of %sis:%s'values%= (key,num)double*)malloc(values_len*sizeof(double));#/* get the values*/values=CODES_CHECK(codes_get_double_array(gid,key)h,"numericValues",values,&values_len),0);forprintf("i in xrange(len(values)): numericValues:\n");for(i=0;iprint " %d %.10e" % (i+1,values[i])
< values_len; i++)
cnt+=1
{
#deletehandle
printf("%.10e\n",values[i]);
codes_release(gid)
#}
closethefile
f.close()
def main():
try: /* free allocated arrays */examplefree(descriptors);except CodesInternalError,err: free(values);if VERBOSE:free(typicalDate);
/*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;
}