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https://github.com/HDFGroup/hdf5.git
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57a2e33c57
bug fixes. Description: Added #include "hdf5_hl.h" to each example programs. Platforms tested: Heping.
117 lines
3.8 KiB
C
117 lines
3.8 KiB
C
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
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* Copyright by the Board of Trustees of the University of Illinois. *
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* All rights reserved. *
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* *
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* This file is part of HDF5. The full HDF5 copyright notice, including *
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* terms governing use, modification, and redistribution, is contained in *
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* the files COPYING and Copyright.html. COPYING can be found at the root *
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* of the source code distribution tree; Copyright.html can be found at the *
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* root level of an installed copy of the electronic HDF5 document set and *
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* is linked from the top-level documents page. It can also be found at *
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* http://hdf.ncsa.uiuc.edu/HDF5/doc/Copyright.html. If you do not have *
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* access to either file, you may request a copy from hdfhelp@ncsa.uiuc.edu. *
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* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
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#include "hdf5.h"
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#include "hdf5_hl.h"
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#include <stdlib.h>
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/*-------------------------------------------------------------------------
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* Table API example
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*
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* H5TBinsert_field
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*
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*-------------------------------------------------------------------------
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*/
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#define NFIELDS (hsize_t) 5
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#define NRECORDS (hsize_t) 8
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#define TABLE_NAME "table"
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int main( void )
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{
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typedef struct Particle1
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{
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char name[16];
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int lati;
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int longi;
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float pressure;
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double temperature;
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} Particle1;
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/* Define an array of Particles */
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Particle1 p_data[NRECORDS] = {
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{"zero",0,0, 0.0f, 0.0},
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{"one",10,10, 1.0f, 10.0},
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{"two", 20,20, 2.0f, 20.0},
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{"three",30,30, 3.0f, 30.0},
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{"four", 40,40, 4.0f, 40.0},
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{"five", 50,50, 5.0f, 50.0},
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{"six", 60,60, 6.0f, 60.0},
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{"seven",70,70, 7.0f, 70.0}
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};
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/* Calculate the size and the offsets of our struct members in memory */
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size_t dst_size1 = sizeof( Particle1 );
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size_t dst_offset1[NFIELDS] = { HOFFSET( Particle1, name ),
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HOFFSET( Particle1, lati ),
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HOFFSET( Particle1, longi ),
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HOFFSET( Particle1, pressure ),
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HOFFSET( Particle1, temperature )};
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/* Define field information */
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const char *field_names[NFIELDS] =
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{ "Name","Latitude", "Longitude", "Pressure", "Temperature" };
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hid_t field_type[NFIELDS];
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hid_t string_type;
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hid_t file_id;
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hsize_t chunk_size = 10;
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int compress = 0;
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Particle1 fill_data[1] = { "no data",-1,-1, -99.0f, -99.0 };
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int fill_data_new[1] = { -100 };
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hsize_t position;
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herr_t status;
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hsize_t nfields_out;
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hsize_t nrecords_out;
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/* Define the inserted field information */
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hid_t field_type_new = H5T_NATIVE_INT;
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int data[NRECORDS] = { 0,1,2,3,4,5,6,7 };
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/* Initialize the field type */
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string_type = H5Tcopy( H5T_C_S1 );
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H5Tset_size( string_type, 16 );
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field_type[0] = string_type;
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field_type[1] = H5T_NATIVE_INT;
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field_type[2] = H5T_NATIVE_INT;
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field_type[3] = H5T_NATIVE_FLOAT;
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field_type[4] = H5T_NATIVE_DOUBLE;
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/* Create a new file using default properties. */
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file_id = H5Fcreate( "ex_table_11.h5", H5F_ACC_TRUNC, H5P_DEFAULT, H5P_DEFAULT );
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/* Make the table */
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status=H5TBmake_table( "Table Title",file_id,TABLE_NAME,NFIELDS,NRECORDS,
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dst_size1,field_names, dst_offset1, field_type,
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chunk_size, fill_data, compress, p_data );
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/* Insert the new field at the end of the field list */
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position = NFIELDS;
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status=H5TBinsert_field( file_id, TABLE_NAME, "New Field", field_type_new, position,
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fill_data_new, data );
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/* Get table info */
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status=H5TBget_table_info (file_id,TABLE_NAME, &nfields_out, &nrecords_out );
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/* print */
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printf ("Table has %d fields and %d records\n",(int)nfields_out,(int)nrecords_out);
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/* Close the file. */
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H5Fclose( file_id );
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return 0;
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}
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