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96 lines
3.3 KiB
C
96 lines
3.3 KiB
C
/* This is part of the netCDF package.
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Copyright 2005-2007, University Corporation for Atmospheric
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Research/Unidata See COPYRIGHT file for conditions of use.
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This program creates a test file with groups for ncdump to read.
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$Id: tst_group_data.c,v 1.3 2008/08/07 00:07:52 ed Exp $
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*/
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#include <netcdf.h>
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#include <nc_tests.h>
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#define FILE_NAME "tst_group_data.nc"
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#define DIM_NAME "dim"
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#define DIM_LEN 4
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#define DIM_LEN1 1
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#define DIM_LEN2 2
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#define DIM_LEN3 3
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#define VAR_NAME "var"
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#define VAR_RANK 1
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#define ATT_NAME "units"
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#define ATT_VAL "m/s"
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#define ATT_VAL1 "km/hour"
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#define ATT_VAL2 "cm/sec"
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#define ATT_VAL3 "mm/msec"
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#define GATT_NAME "title"
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#define GATT_VAL "for testing groups"
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#define GATT_VAL1 "in first group"
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#define GATT_VAL2 "in second group"
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#define GATT_VAL3 "in third group"
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#define G1_NAME "g1"
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#define G2_NAME "g2"
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#define G3_NAME "g3"
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int
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main(int argc, char **argv) {
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int ncid, dimid, varid;
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int var_dims[VAR_RANK];
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int g1id, g2id, g3id;
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float vals[] = {1.0, 2.0, 3.0, 4.0};
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printf("\n*** Testing groups.\n");
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printf("*** creating nested group file %s...", FILE_NAME);
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/* Create a file with nested groups. */
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if (nc_create(FILE_NAME, NC_CLOBBER | NC_NETCDF4, &ncid)) ERR;
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/* At root level define dim, var, atts */
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if (nc_def_dim(ncid, DIM_NAME, DIM_LEN, &dimid)) ERR;
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var_dims[0] = dimid;
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if (nc_def_var(ncid, VAR_NAME, NC_FLOAT, VAR_RANK, var_dims, &varid)) ERR;
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if (nc_put_att_text(ncid, varid, ATT_NAME, strlen(ATT_VAL), ATT_VAL)) ERR;
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if (nc_put_att_text(ncid, NC_GLOBAL, GATT_NAME, strlen(GATT_VAL),
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GATT_VAL)) ERR;
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if (nc_enddef(ncid)) ERR;
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if (nc_put_var_float(ncid, varid, vals)) ERR;
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/* put dim, var, atts with same names in a group */
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if (nc_def_grp(ncid, G1_NAME, &g1id)) ERR;
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if (nc_def_dim(g1id, DIM_NAME, DIM_LEN1, &dimid)) ERR;
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var_dims[0] = dimid;
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if (nc_def_var(g1id, VAR_NAME, NC_FLOAT, VAR_RANK, var_dims, &varid)) ERR;
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if (nc_put_att_text(g1id, varid, ATT_NAME, strlen(ATT_VAL1), ATT_VAL1)) ERR;
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if (nc_put_att_text(g1id, NC_GLOBAL, GATT_NAME, strlen(GATT_VAL1),
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GATT_VAL1)) ERR;
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if (nc_enddef(g1id)) ERR;
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if (nc_put_var_float(g1id, varid, vals)) ERR;
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/* put dim, var, atts with same names in a second group */
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if (nc_def_grp(ncid, G2_NAME, &g2id)) ERR;
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if (nc_def_dim(g2id, DIM_NAME, DIM_LEN2, &dimid)) ERR;
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var_dims[0] = dimid;
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if (nc_def_var(g2id, VAR_NAME, NC_FLOAT, VAR_RANK, var_dims, &varid)) ERR;
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if (nc_put_att_text(g2id, varid, ATT_NAME, strlen(ATT_VAL2), ATT_VAL2)) ERR;
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if (nc_put_att_text(g2id, NC_GLOBAL, GATT_NAME, strlen(GATT_VAL2),
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GATT_VAL2)) ERR;
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if (nc_enddef(g2id)) ERR;
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if (nc_put_var_float(g2id, varid, vals)) ERR;
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/* put dim, var, atts with same names in a subgroup of second group */
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if (nc_def_grp(g2id, G3_NAME, &g3id)) ERR;
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if (nc_def_dim(g3id, DIM_NAME, DIM_LEN3, &dimid)) ERR;
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var_dims[0] = dimid;
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if (nc_def_var(g3id, VAR_NAME, NC_FLOAT, VAR_RANK, var_dims, &varid)) ERR;
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if (nc_put_att_text(g3id, varid, ATT_NAME, strlen(ATT_VAL3), ATT_VAL3)) ERR;
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if (nc_put_att_text(g3id, NC_GLOBAL, GATT_NAME, strlen(GATT_VAL3),
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GATT_VAL3)) ERR;
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if (nc_enddef(g3id)) ERR;
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if (nc_put_var_float(g3id, varid, vals)) ERR;
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if (nc_close(ncid)) ERR;
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SUMMARIZE_ERR;
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FINAL_RESULTS;
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}
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