/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * 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_hl.h" #include /*------------------------------------------------------------------------- * Table API example * * H5TBinsert_field * *------------------------------------------------------------------------- */ #define NFIELDS (hsize_t)5 #define NRECORDS (hsize_t)8 #define TABLE_NAME "table" int main(void) { typedef struct Particle1 { char name[16]; int lati; int longi; float pressure; double temperature; } Particle1; /* Define an array of Particles */ Particle1 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_size1 = sizeof(Particle1); size_t dst_offset1[NFIELDS] = {HOFFSET(Particle1, name), HOFFSET(Particle1, lati), HOFFSET(Particle1, longi), HOFFSET(Particle1, pressure), HOFFSET(Particle1, 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 compress = 0; Particle1 fill_data[1] = {{"no data", -1, -1, -99.0F, -99.0}}; int fill_data_new[1] = {-100}; hsize_t position; hsize_t nfields_out; hsize_t nrecords_out; /* Define the inserted field information */ hid_t field_type_new = H5T_NATIVE_INT; int data[NRECORDS] = {0, 1, 2, 3, 4, 5, 6, 7}; /* Initialize the 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_11.h5", H5F_ACC_TRUNC, H5P_DEFAULT, H5P_DEFAULT); /* Make the table */ H5TBmake_table("Table Title", file_id, TABLE_NAME, NFIELDS, NRECORDS, dst_size1, field_names, dst_offset1, field_type, chunk_size, fill_data, compress, p_data); /* Insert the new field at the end of the field list */ position = NFIELDS; H5TBinsert_field(file_id, TABLE_NAME, "New Field", field_type_new, position, fill_data_new, data); /* 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); /* close type */ H5Tclose(string_type); /* close the file */ H5Fclose(file_id); return 0; }