diff options
Diffstat (limited to 'hl/examples/ex_table_08.c')
| -rw-r--r-- | hl/examples/ex_table_08.c | 207 |
1 files changed, 91 insertions, 116 deletions
diff --git a/hl/examples/ex_table_08.c b/hl/examples/ex_table_08.c index a45520d..5d447dd 100644 --- a/hl/examples/ex_table_08.c +++ b/hl/examples/ex_table_08.c @@ -6,7 +6,7 @@ * This file is part of HDF5. The full HDF5 copyright notice, including * * terms governing use, modification, and redistribution, is contained in * * the COPYING file, which can be found at the root of the source code * - * distribution tree, or in https://support.hdfgroup.org/ftp/HDF5/releases. * + * distribution tree, or in https://www.hdfgroup.org/licenses. * * If you do not have access to either file, you may request a copy from * * help@hdfgroup.org. * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */ @@ -22,121 +22,96 @@ *------------------------------------------------------------------------- */ -#define NFIELDS (hsize_t) 5 -#define NRECORDS (hsize_t) 8 -#define NRECORDS_INS (hsize_t) 2 -#define TABLE_NAME "table" +#define NFIELDS (hsize_t)5 +#define NRECORDS (hsize_t)8 +#define NRECORDS_INS (hsize_t)2 +#define TABLE_NAME "table" -int main( void ) +int +main(void) { - typedef struct Particle - { - char name[16]; - int lati; - int longi; - float pressure; - double temperature; - } Particle; - - Particle dst_buf[ NRECORDS + NRECORDS_INS ]; - - /* 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} - }; - - /* 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( p_data[0].name), - sizeof( p_data[0].lati), - sizeof( p_data[0].longi), - sizeof( p_data[0].pressure), - sizeof( p_data[0].temperature)}; - - /* Define an array of Particles to insert */ - Particle p_data_insert[NRECORDS_INS] = - { {"new",30,30, 3.0f, 30.0}, - {"new",40,40, 4.0f, 40.0} - }; - - /* 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 compress = 0; - int *fill_data = NULL; - hsize_t start; /* Record to start reading */ - hsize_t nrecords; /* Number of records to insert/delete */ - hsize_t nfields_out; - hsize_t nrecords_out; - int i; - - /* Initialize the field 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_08.h5", H5F_ACC_TRUNC, H5P_DEFAULT, H5P_DEFAULT ); - - /* Make the table */ - 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 ); - - /* Insert records */ - start = 3; - nrecords = NRECORDS_INS; - H5TBinsert_record( file_id, TABLE_NAME, start, nrecords, dst_size, dst_offset, - dst_sizes, p_data_insert ); - - /* read the table */ - H5TBread_table( file_id, TABLE_NAME, dst_size, dst_offset, dst_sizes, dst_buf ); - - /* get table info */ - H5TBget_table_info(file_id,TABLE_NAME, &nfields_out, &nrecords_out ); - - /* print */ - printf ("Table has %d fields and %d records\n",(int)nfields_out,(int)nrecords_out); - - /* print it by rows */ - for (i=0; i<nrecords_out; 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"); - } - - - /* close type */ - H5Tclose( string_type ); - - /* close the file */ - H5Fclose( file_id ); - - return 0; - + typedef struct Particle { + char name[16]; + int lati; + int longi; + float pressure; + double temperature; + } Particle; + + Particle dst_buf[NRECORDS + NRECORDS_INS]; + + /* 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}}; + + /* 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(p_data[0].name), sizeof(p_data[0].lati), sizeof(p_data[0].longi), + sizeof(p_data[0].pressure), sizeof(p_data[0].temperature)}; + + /* Define an array of Particles to insert */ + Particle p_data_insert[NRECORDS_INS] = {{"new", 30, 30, 3.0f, 30.0}, {"new", 40, 40, 4.0f, 40.0}}; + + /* 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 compress = 0; + int * fill_data = NULL; + hsize_t start; /* Record to start reading */ + hsize_t nrecords; /* Number of records to insert/delete */ + hsize_t nfields_out; + hsize_t nrecords_out; + int i; + + /* Initialize the field 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_08.h5", H5F_ACC_TRUNC, H5P_DEFAULT, H5P_DEFAULT); + + /* Make the table */ + 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); + + /* Insert records */ + start = 3; + nrecords = NRECORDS_INS; + H5TBinsert_record(file_id, TABLE_NAME, start, nrecords, dst_size, dst_offset, dst_sizes, p_data_insert); + + /* read the table */ + H5TBread_table(file_id, TABLE_NAME, dst_size, dst_offset, dst_sizes, dst_buf); + + /* get table info */ + H5TBget_table_info(file_id, TABLE_NAME, &nfields_out, &nrecords_out); + + /* print */ + printf("Table has %d fields and %d records\n", (int)nfields_out, (int)nrecords_out); + + /* print it by rows */ + for (i = 0; i < nrecords_out; 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"); + } + + /* close type */ + H5Tclose(string_type); + + /* close the file */ + H5Fclose(file_id); + + return 0; } - |