diff options
Diffstat (limited to 'hl/examples/ex_table_07.c')
-rw-r--r-- | hl/examples/ex_table_07.c | 155 |
1 files changed, 71 insertions, 84 deletions
diff --git a/hl/examples/ex_table_07.c b/hl/examples/ex_table_07.c index d9ea444..b12cc27 100644 --- a/hl/examples/ex_table_07.c +++ b/hl/examples/ex_table_07.c @@ -23,90 +23,77 @@ *------------------------------------------------------------------------- */ -#define NFIELDS (hsize_t) 5 -#define NRECORDS (hsize_t) 8 -#define TABLE_NAME "table" +#define NFIELDS (hsize_t)5 +#define NRECORDS (hsize_t)8 +#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; - - /* 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 )}; - - /* 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} - }; - - const char *field_names[NFIELDS] = /* Define field information */ - { "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; - Particle fill_data[1] = - { {"no data",-1,-1, -99.0f, -99.0} }; - hsize_t start; /* Record to start reading */ - hsize_t nrecords; /* Number of records to insert/delete */ - hsize_t nfields_out; - hsize_t nrecords_out; - - /* 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_07.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 ); - - /* Delete records */ - start = 3; - nrecords = 3; - H5TBdelete_record( file_id, TABLE_NAME, start, nrecords ); - - /* 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; - + typedef struct Particle { + char name[16]; + int lati; + int longi; + float pressure; + double temperature; + } Particle; + + /* 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)}; + + /* 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}}; + + const char *field_names[NFIELDS] = /* Define field information */ + {"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; + Particle fill_data[1] = {{"no data", -1, -1, -99.0f, -99.0}}; + hsize_t start; /* Record to start reading */ + hsize_t nrecords; /* Number of records to insert/delete */ + hsize_t nfields_out; + hsize_t nrecords_out; + + /* 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_07.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); + + /* Delete records */ + start = 3; + nrecords = 3; + H5TBdelete_record(file_id, TABLE_NAME, start, nrecords); + + /* 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; } - |