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00062 #include <io.h>
00063
00065 int
00066 read_netcdf_var_1d(double **buf, info_field_struct *info_field, char *filename, char *varname,
00067 char *dimname, int *ndim, int outinfo) {
00080 int istat;
00081
00082 size_t dimval;
00083
00084 int ncinid;
00085 int varinid;
00086 int diminid;
00087 nc_type vartype_main;
00088 int varndims;
00089 int vardimids[NC_MAX_VAR_DIMS];
00090
00091 size_t start[3];
00092 size_t count[3];
00093
00094 float valf;
00095 char *tmpstr = NULL;
00096 size_t t_len;
00097
00098
00099 tmpstr = (char *) malloc(MAXPATH * sizeof(char));
00100 if (tmpstr == NULL) alloc_error(__FILE__, __LINE__);
00101
00102
00103
00104
00105 if (outinfo == TRUE)
00106 printf("%s: Opening for reading NetCDF input file %s\n", __FILE__, filename);
00107 istat = nc_open(filename, NC_NOWRITE, &ncinid);
00108 if (istat != NC_NOERR) handle_netcdf_error(istat, __FILE__, __LINE__);
00109
00110 if (outinfo == TRUE)
00111 printf("%s: READ %s %s\n", __FILE__, varname, filename);
00112
00113
00114 istat = nc_inq_dimid(ncinid, dimname, &diminid);
00115 if (istat != NC_NOERR) handle_netcdf_error(istat, __FILE__, __LINE__);
00116 istat = nc_inq_dimlen(ncinid, diminid, &dimval);
00117 if (istat != NC_NOERR) handle_netcdf_error(istat, __FILE__, __LINE__);
00118 *ndim = (int) dimval;
00119
00120
00121 istat = nc_inq_varid(ncinid, varname, &varinid);
00122 if (istat != NC_NOERR) handle_netcdf_error(istat, __FILE__, __LINE__);
00123
00126
00127 istat = nc_inq_var(ncinid, varinid, (char *) NULL, &vartype_main, &varndims, vardimids, (int *) NULL);
00128 if (istat != NC_NOERR) handle_netcdf_error(istat, __FILE__, __LINE__);
00129
00130
00131 if (varndims != 1) {
00132 (void) fprintf(stderr, "%s: Error NetCDF type and/or dimensions.\n", __FILE__);
00133 (void) free(tmpstr);
00134 istat = ncclose(ncinid);
00135 if (istat != NC_NOERR) handle_netcdf_error(istat, __FILE__, __LINE__);
00136 return -1;
00137 }
00138
00139
00140 if (info_field != NULL) {
00141
00142 if (vartype_main == NC_FLOAT) {
00143 istat = nc_get_att_float(ncinid, varinid, "missing_value", &valf);
00144 if (istat != NC_NOERR)
00145 info_field->fillvalue = -9999.0;
00146 else
00147 info_field->fillvalue = (double) valf;
00148 }
00149 else if (vartype_main == NC_DOUBLE) {
00150 istat = nc_get_att_double(ncinid, varinid, "missing_value", &(info_field->fillvalue));
00151 if (istat != NC_NOERR)
00152 info_field->fillvalue = -9999.0;
00153 }
00154
00155
00156 istat = nc_inq_attlen(ncinid, varinid, "units", &t_len);
00157 if (istat == NC_NOERR) {
00158 handle_netcdf_error(istat, __FILE__, __LINE__);
00159 istat = nc_get_att_text(ncinid, varinid, "units", tmpstr);
00160 if (istat == NC_NOERR) {
00161 if (tmpstr[t_len-1] != '\0')
00162 tmpstr[t_len] = '\0';
00163 info_field->units = strdup(tmpstr);
00164 }
00165 else
00166 info_field->units = strdup("unknown");
00167 }
00168 else
00169 info_field->units = strdup("unknown");
00170
00171
00172 istat = nc_inq_attlen(ncinid, varinid, "height", &t_len);
00173 if (istat == NC_NOERR) {
00174 handle_netcdf_error(istat, __FILE__, __LINE__);
00175 istat = nc_get_att_text(ncinid, varinid, "height", tmpstr);
00176 if (istat == NC_NOERR) {
00177 if (tmpstr[t_len-1] != '\0')
00178 tmpstr[t_len] = '\0';
00179 info_field->height = strdup(tmpstr);
00180 }
00181 else
00182 info_field->height = strdup("unknown");
00183 }
00184 else
00185 info_field->height = strdup("unknown");
00186
00187
00188 istat = nc_inq_attlen(ncinid, varinid, "long_name", &t_len);
00189 if (istat == NC_NOERR) {
00190 handle_netcdf_error(istat, __FILE__, __LINE__);
00191 istat = nc_get_att_text(ncinid, varinid, "long_name", tmpstr);
00192 if (istat == NC_NOERR) {
00193 if (tmpstr[t_len-1] != '\0')
00194 tmpstr[t_len] = '\0';
00195 info_field->long_name = strdup(tmpstr);
00196 }
00197 else
00198 info_field->long_name = strdup(varname);
00199 }
00200 else
00201 info_field->long_name = strdup(varname);
00202 }
00203
00204
00205 start[0] = 0;
00206 start[1] = 0;
00207 start[2] = 0;
00208 count[0] = (size_t) *ndim;
00209 count[1] = 0;
00210 count[2] = 0;
00211
00212 (*buf) = (double *) malloc((*ndim) * sizeof(double));
00213 if ((*buf) == NULL) alloc_error(__FILE__, __LINE__);
00214
00215
00216 istat = nc_get_vara_double(ncinid, varinid, start, count, *buf);
00217 if (istat != NC_NOERR) handle_netcdf_error(istat, __FILE__, __LINE__);
00218
00219
00220 istat = ncclose(ncinid);
00221 if (istat != NC_NOERR) handle_netcdf_error(istat, __FILE__, __LINE__);
00222
00223
00224 (void) free(tmpstr);
00225
00226
00227 return 0;
00228 }