/* This is part of the netCDF package. Copyright 2005-2018, University Corporation for Atmospheric Research/Unidata See COPYRIGHT file for conditions of use. This program creates a test file with groups for ncdump to read. $Id: tst_group_data.c,v 1.3 2008/08/07 00:07:52 ed Exp $ */ #include #include #include "err_macros.h" #define FILE_NAME "tst_group_data.nc" #define DIM_NAME "dim" #define DIM_LEN 4 #define DIM_LEN1 1 #define DIM_LEN2 2 #define DIM_LEN3 3 #define VAR_NAME "var" #define VAR_RANK 1 #define VAR2_NAME "var2" #define VAR2_RANK 3 #define ATT_NAME "units" #define ATT_VAL "m/s" #define ATT_VAL1 "km/hour" #define ATT_VAL2 "cm/sec" #define ATT_VAL3 "mm/msec" #define GATT_NAME "title" #define GATT_VAL "for testing groups" #define GATT_VAL1 "in first group" #define GATT_VAL2 "in second group" #define GATT_VAL3 "in third group" #define G1_NAME "g1" #define G2_NAME "g2" #define G3_NAME "g3" int main(int argc, char **argv) { int ncid, dimid, dimid1, dimid2, dimid3, varid, var2id; int var_dims[VAR_RANK], var2_dims[VAR2_RANK]; int g1id, g2id, g3id; float vals[] = {1.0, 2.0, 3.0, 4.0}; float vals2[] = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24}; printf("\n*** Testing groups.\n"); printf("*** creating nested group file %s...", FILE_NAME); /* Create a file with nested groups. */ if (nc_create(FILE_NAME, NC_CLOBBER | NC_NETCDF4, &ncid)) ERR; /* At root level define dim, var, atts */ if (nc_def_dim(ncid, DIM_NAME, DIM_LEN, &dimid)) ERR; var_dims[0] = dimid; if (nc_def_var(ncid, VAR_NAME, NC_FLOAT, VAR_RANK, var_dims, &varid)) ERR; if (nc_put_att_text(ncid, varid, ATT_NAME, strlen(ATT_VAL), ATT_VAL)) ERR; if (nc_put_att_text(ncid, NC_GLOBAL, GATT_NAME, strlen(GATT_VAL), GATT_VAL)) ERR; if (nc_enddef(ncid)) ERR; if (nc_put_var_float(ncid, varid, vals)) ERR; /* put dim, var, atts with same names in a group */ if (nc_def_grp(ncid, G1_NAME, &g1id)) ERR; if (nc_def_dim(g1id, DIM_NAME, DIM_LEN1, &dimid1)) ERR; var_dims[0] = dimid1; if (nc_def_var(g1id, VAR_NAME, NC_FLOAT, VAR_RANK, var_dims, &varid)) ERR; if (nc_put_att_text(g1id, varid, ATT_NAME, strlen(ATT_VAL1), ATT_VAL1)) ERR; if (nc_put_att_text(g1id, NC_GLOBAL, GATT_NAME, strlen(GATT_VAL1), GATT_VAL1)) ERR; if (nc_enddef(g1id)) ERR; if (nc_put_var_float(g1id, varid, vals)) ERR; /* put dim, var, atts with same names in a second group */ if (nc_def_grp(ncid, G2_NAME, &g2id)) ERR; if (nc_def_dim(g2id, DIM_NAME, DIM_LEN2, &dimid2)) ERR; var_dims[0] = dimid2; if (nc_def_var(g2id, VAR_NAME, NC_FLOAT, VAR_RANK, var_dims, &varid)) ERR; if (nc_put_att_text(g2id, varid, ATT_NAME, strlen(ATT_VAL2), ATT_VAL2)) ERR; if (nc_put_att_text(g2id, NC_GLOBAL, GATT_NAME, strlen(GATT_VAL2), GATT_VAL2)) ERR; if (nc_enddef(g2id)) ERR; if (nc_put_var_float(g2id, varid, vals)) ERR; /* put dim, var, atts with same names in a subgroup of second group */ if (nc_def_grp(g2id, G3_NAME, &g3id)) ERR; if (nc_def_dim(g3id, DIM_NAME, DIM_LEN3, &dimid3)) ERR; var_dims[0] = dimid3; if (nc_def_var(g3id, VAR_NAME, NC_FLOAT, VAR_RANK, var_dims, &varid)) ERR; if (nc_put_att_text(g3id, varid, ATT_NAME, strlen(ATT_VAL3), ATT_VAL3)) ERR; if (nc_put_att_text(g3id, NC_GLOBAL, GATT_NAME, strlen(GATT_VAL3), GATT_VAL3)) ERR; var2_dims[0] = dimid; var2_dims[1] = dimid2; var2_dims[2] = dimid3; if (nc_def_var(g3id, VAR2_NAME, NC_FLOAT, VAR2_RANK, var2_dims, &var2id)) ERR; if (nc_enddef(g3id)) ERR; if (nc_put_var_float(g3id, varid, vals)) ERR; if (nc_put_var_float(g3id, var2id, vals2)) ERR; if (nc_close(ncid)) ERR; SUMMARIZE_ERR; FINAL_RESULTS; }