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Row-major Encoding
==================
Shown below is a simple program that encodes sample data from a standardised row-major memory layout and outputs an ODB-2 file.
.. note::
The C++ interface does not support automatically encoding data from a row-major layout. If this functionality is needed, the C API should be used. Alternatively the row-major memory layout can be explicitly specified as a :ref:`custom memory layout <odc-encode-custom>`, which is what the C API does internally.
.. tabs::
.. group-tab:: C
.. literalinclude:: ../../../tests/c_api/odc_encode_row_major.c
:language: c
:class: copybutton
To use this sample program, invoke it from the command line with a path to an ODB-2 output file:
.. code-block:: none
./odc-c-encode-row-major example.odb
Written 20 rows to example.odb
.. code-block:: none
odc ls example.odb
expver date@hdr statid@hdr wigos@hdr obsvalue@body integer_missing double_missing bitfield_column
'xxxx' 20210524 'stat00' '0-12345-0-67800' 0.000000 1234 12.340000 1
'xxxx' 20210524 'stat01' '0-12345-0-67801' 12.345600 4321 43.209999 11
'xxxx' 20210524 'stat02' '0-12345-0-67802' 24.691200 . . 107
'xxxx' 20210524 'stat03' '0-12345-0-67803' 37.036800 1234 12.340000 1
'xxxx' 20210524 'stat04' '0-12345-0-67804' 49.382401 4321 43.209999 11
'xxxx' 20210524 'stat05' '0-12345-0-67805' 61.728001 . . 107
'xxxx' 20210524 'stat06' '0-12345-0-67806' 74.073601 1234 12.340000 1
'xxxx' 20210524 'stat07' '0-12345-0-67807' 86.419197 4321 43.209999 11
'xxxx' 20210524 'stat08' '0-12345-0-67808' 98.764801 . . 107
'xxxx' 20210524 'stat09' '0-12345-0-67809' 111.110397 1234 12.340000 1
'xxxx' 20210524 'stat10' '0-12345-0-67810' 123.456001 4321 43.209999 11
'xxxx' 20210524 'stat11' '0-12345-0-67811' 135.801605 . . 107
'xxxx' 20210524 'stat12' '0-12345-0-67812' 148.147202 1234 12.340000 1
'xxxx' 20210524 'stat13' '0-12345-0-67813' 160.492798 4321 43.209999 11
'xxxx' 20210524 'stat14' '0-12345-0-67814' 172.838394 . . 107
'xxxx' 20210524 'stat15' '0-12345-0-67815' 185.184006 1234 12.340000 1
'xxxx' 20210524 'stat16' '0-12345-0-67816' 197.529602 4321 43.209999 11
'xxxx' 20210524 'stat17' '0-12345-0-67817' 209.875198 . . 107
'xxxx' 20210524 'stat18' '0-12345-0-67818' 222.220795 1234 12.340000 1
'xxxx' 20210524 'stat19' '0-12345-0-67819' 234.566406 4321 43.209999 11
000 2021-05-24 14:06:05 (I) Selected 20 row(s).
.. group-tab:: Fortran
.. literalinclude:: ../../../tests/f_api/odc_encode_row_major.f90
:language: fortran
:class: copybutton
To use this sample program, invoke it from the command line with a path to an ODB-2 output file:
.. code-block:: none
./odc-fortran-encode-row-major example.odb
Written 20 rows to example.odb
.. code-block:: none
odc ls example.odb
expver date@hdr statid@hdr wigos@hdr obsvalue@body integer_missing double_missing bitfield_column
'xxxx' 20210524 'stat00' '0-12345-0-67800' 0.000000 1234 12.340000 1
'xxxx' 20210524 'stat01' '0-12345-0-67801' 12.345600 4321 43.209999 11
'xxxx' 20210524 'stat02' '0-12345-0-67802' 24.691200 . . 107
'xxxx' 20210524 'stat03' '0-12345-0-67803' 37.036800 1234 12.340000 1
'xxxx' 20210524 'stat04' '0-12345-0-67804' 49.382401 4321 43.209999 11
'xxxx' 20210524 'stat05' '0-12345-0-67805' 61.728001 . . 107
'xxxx' 20210524 'stat06' '0-12345-0-67806' 74.073601 1234 12.340000 1
'xxxx' 20210524 'stat07' '0-12345-0-67807' 86.419205 4321 43.209999 11
'xxxx' 20210524 'stat08' '0-12345-0-67808' 98.764801 . . 107
'xxxx' 20210524 'stat09' '0-12345-0-67809' 111.110397 1234 12.340000 1
'xxxx' 20210524 'stat10' '0-12345-0-67810' 123.456001 4321 43.209999 11
'xxxx' 20210524 'stat11' '0-12345-0-67811' 135.801605 . . 107
'xxxx' 20210524 'stat12' '0-12345-0-67812' 148.147202 1234 12.340000 1
'xxxx' 20210524 'stat13' '0-12345-0-67813' 160.492798 4321 43.209999 11
'xxxx' 20210524 'stat14' '0-12345-0-67814' 172.838409 . . 107
'xxxx' 20210524 'stat15' '0-12345-0-67815' 185.184006 1234 12.340000 1
'xxxx' 20210524 'stat16' '0-12345-0-67816' 197.529602 4321 43.209999 11
'xxxx' 20210524 'stat17' '0-12345-0-67817' 209.875198 . . 107
'xxxx' 20210524 'stat18' '0-12345-0-67818' 222.220795 1234 12.340000 1
'xxxx' 20210524 'stat19' '0-12345-0-67819' 234.566406 4321 43.209999 11
000 2021-05-24 14:38:35 (I) Selected 20 row(s).
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