mirror of
https://github.com/HDFGroup/hdf5.git
synced 2024-11-27 02:10:55 +08:00
fd031dd713
not tested, since /examples has several compiling errors due to new APIs this check in should have no problems
139 lines
4.5 KiB
C
139 lines
4.5 KiB
C
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
|
|
* Copyright by The HDF Group. *
|
|
* Copyright by the Board of Trustees of the University of Illinois. *
|
|
* All rights reserved. *
|
|
* *
|
|
* This file is part of HDF5. The full HDF5 copyright notice, including *
|
|
* terms governing use, modification, and redistribution, is contained in *
|
|
* the files COPYING and Copyright.html. COPYING can be found at the root *
|
|
* of the source code distribution tree; Copyright.html can be found at the *
|
|
* root level of an installed copy of the electronic HDF5 document set and *
|
|
* is linked from the top-level documents page. It can also be found at *
|
|
* http://hdfgroup.org/HDF5/doc/Copyright.html. If you do not have *
|
|
* access to either file, you may request a copy from help@hdfgroup.org. *
|
|
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
|
|
|
|
#include "hdf5.h"
|
|
#include "hdf5_hl.h"
|
|
#include <stdlib.h>
|
|
|
|
/*-------------------------------------------------------------------------
|
|
* Table API example
|
|
*
|
|
* H5TBmake_table
|
|
* H5TBread_table
|
|
*
|
|
*-------------------------------------------------------------------------
|
|
*/
|
|
|
|
#define NFIELDS (hsize_t) 5
|
|
#define NRECORDS (hsize_t) 8
|
|
#define TABLE_NAME "table"
|
|
|
|
|
|
int main( void )
|
|
{
|
|
typedef struct Particle
|
|
{
|
|
char name[16];
|
|
int lati;
|
|
int longi;
|
|
float pressure;
|
|
double temperature;
|
|
} Particle;
|
|
|
|
Particle dst_buf[NRECORDS];
|
|
|
|
/* Calculate the size and the offsets of our struct members in memory */
|
|
size_t dst_size = sizeof( Particle );
|
|
size_t dst_offset[NFIELDS] = { HOFFSET( Particle, name ),
|
|
HOFFSET( Particle, lati ),
|
|
HOFFSET( Particle, longi ),
|
|
HOFFSET( Particle, pressure ),
|
|
HOFFSET( Particle, temperature )};
|
|
|
|
size_t dst_sizes[NFIELDS] = { sizeof( dst_buf[0].name),
|
|
sizeof( dst_buf[0].lati),
|
|
sizeof( dst_buf[0].longi),
|
|
sizeof( dst_buf[0].pressure),
|
|
sizeof( dst_buf[0].temperature)};
|
|
|
|
|
|
/* Define an array of Particles */
|
|
Particle p_data[NRECORDS] = {
|
|
{"zero",0,0, 0.0f, 0.0},
|
|
{"one",10,10, 1.0f, 10.0},
|
|
{"two", 20,20, 2.0f, 20.0},
|
|
{"three",30,30, 3.0f, 30.0},
|
|
{"four", 40,40, 4.0f, 40.0},
|
|
{"five", 50,50, 5.0f, 50.0},
|
|
{"six", 60,60, 6.0f, 60.0},
|
|
{"seven",70,70, 7.0f, 70.0}
|
|
};
|
|
|
|
/* Define field information */
|
|
const char *field_names[NFIELDS] =
|
|
{ "Name","Latitude", "Longitude", "Pressure", "Temperature" };
|
|
hid_t field_type[NFIELDS];
|
|
hid_t string_type;
|
|
hid_t file_id;
|
|
hsize_t chunk_size = 10;
|
|
int *fill_data = NULL;
|
|
int compress = 0;
|
|
herr_t status;
|
|
int i;
|
|
|
|
/* Initialize field_type */
|
|
string_type = H5Tcopy( H5T_C_S1 );
|
|
H5Tset_size( string_type, 16 );
|
|
field_type[0] = string_type;
|
|
field_type[1] = H5T_NATIVE_INT;
|
|
field_type[2] = H5T_NATIVE_INT;
|
|
field_type[3] = H5T_NATIVE_FLOAT;
|
|
field_type[4] = H5T_NATIVE_DOUBLE;
|
|
|
|
/* Create a new file using default properties. */
|
|
file_id = H5Fcreate( "ex_table_01.h5", H5F_ACC_TRUNC, H5P_DEFAULT, H5P_DEFAULT );
|
|
|
|
/*-------------------------------------------------------------------------
|
|
* H5TBmake_table
|
|
*-------------------------------------------------------------------------
|
|
*/
|
|
|
|
status=H5TBmake_table( "Table Title", file_id, TABLE_NAME,NFIELDS,NRECORDS,
|
|
dst_size,field_names, dst_offset, field_type,
|
|
chunk_size, fill_data, compress, p_data );
|
|
|
|
/*-------------------------------------------------------------------------
|
|
* H5TBread_table
|
|
*-------------------------------------------------------------------------
|
|
*/
|
|
|
|
status=H5TBread_table( file_id, TABLE_NAME, dst_size, dst_offset, dst_sizes, dst_buf );
|
|
|
|
/* print it by rows */
|
|
for (i=0; i<NRECORDS; i++) {
|
|
printf ("%-5s %-5d %-5d %-5f %-5f",
|
|
dst_buf[i].name,
|
|
dst_buf[i].lati,
|
|
dst_buf[i].longi,
|
|
dst_buf[i].pressure,
|
|
dst_buf[i].temperature);
|
|
printf ("\n");
|
|
}
|
|
|
|
/*-------------------------------------------------------------------------
|
|
* end
|
|
*-------------------------------------------------------------------------
|
|
*/
|
|
|
|
/* close type */
|
|
H5Tclose( string_type );
|
|
|
|
/* close the file */
|
|
H5Fclose( file_id );
|
|
|
|
return 0;
|
|
}
|
|
|