/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * Copyright by The HDF Group. * * 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 COPYING file, which can be found at the root of the source code * * 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. * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */ #include "hdf5.h" #include "hdf5_hl.h" #include /*------------------------------------------------------------------------- * Table API example * * H5TBappend_records * *------------------------------------------------------------------------- */ #define NFIELDS (hsize_t)5 #define NRECORDS (hsize_t)8 #define NRECORDS_ADD (hsize_t)2 #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 + NRECORDS_ADD]; /* 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 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; int i; /* Append particles */ Particle particle_in[NRECORDS_ADD] = {{"eight", 80, 80, 8.0F, 80.0}, {"nine", 90, 90, 9.0F, 90.0}}; /* 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_02.h5", H5F_ACC_TRUNC, H5P_DEFAULT, H5P_DEFAULT); /* make a 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); /* append two records */ H5TBappend_records(file_id, TABLE_NAME, NRECORDS_ADD, dst_size, dst_offset, dst_sizes, &particle_in); /* read the table */ H5TBread_table(file_id, TABLE_NAME, dst_size, dst_offset, dst_sizes, dst_buf); /* print it by rows */ for (i = 0; i < NRECORDS + NRECORDS_ADD; 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; }