nco_c++/nco_hgh.hh File Reference

#include <iostream>
#include <string>
#include <netcdf.h>
#include <nco_fl.hh>
#include <nco_utl.hh>

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Classes
struct	var_mtd_sct
Functions
int	nco_var_dfn (const int &nc_id, var_mtd_sct *var_mtd, const int &var_mtd_nbr, const int &dmn_nbr_max=10)

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Function Documentation

int nco_var_dfn (  const int &  nc_id, var_mtd_sct *  var_mtd, const int &  var_mtd_nbr, const int &  dmn_nbr_max = 10 )

Definition at line 32 of file nco_hgh.cc. References NC_EINDEFINE, NC_NOERR, nco_def_var(), nco_enddef(), nco_inq_dim(), nco_put_att(), and nco_redef(). { /* Purpose: Process metadata structure, defining variables and attributes On entry, file is assumed to be open, and may be in define mode or in data mode On exit, file is placed in data mode Variable metadata is stored in single metadata input structure Routine only handles variable and attribute definition, not variable writing nc_id is modified as variables are defined var_mtd is modified as variable ID is returned after each definition fxm: It would be nice not to have to pass var_mtd_nbr from calling routine, but would presumably require a map container to accomplish */ int rcd(0); // Return success code // Local register long idx; // [idx] Counting index const std::string sbr_nm("nco_var_dfn"); // [sng] Name of subroutine const unsigned short int dbg_lvl(0); // [sng] Debugging level if(dbg_lvl >= 5) std::cerr << "DEBUG: Entering " << sbr_nm << "()..." << std::endl; if(dbg_lvl >= 5) std::cerr << "DEBUG:"+sbr_nm+"() reports var_mtd_nbr = " << var_mtd_nbr << std::endl; // Allow file to already be in define mode rcd=nco_redef(nc_id,NC_EINDEFINE); // [fnc] Put open netCDF dataset into define mode int dmn_idx; // [idx] Counting index for dmn for(idx=0;idx<var_mtd_nbr;idx++){ // Set dmn_nbr_max to, e.g., 1, to limit output file size at expense of losing all 2-D variables if(var_mtd[idx].dmn_nbr <= dmn_nbr_max){ // Sanity check before output if(dbg_lvl >= 5){ std::string dmn_nm; size_t dmn_sz; for(dmn_idx=0;dmn_idx<var_mtd[idx].dmn_nbr;dmn_idx++){ rcd=nco_inq_dim(nc_id,dmn_idx,dmn_nm,dmn_sz); std::cout << "Dimension " << dmn_nm << " is " << ((rcd != NC_NOERR) ? "valid" : "invalid" ) << " and has size " << dmn_sz << std::endl; } // end loop over dmn } // endif dbg rcd=nco_def_var // [fnc] Define variable (nc_id, // I [enm] netCDF file for output var_mtd[idx].nm, // I [sng] Variable name var_mtd[idx].type, // I [enm] netCDF type var_mtd[idx].dmn_nbr, // I [nbr] Number of dimensions var_mtd[idx].dmn_id, // I [dmn] Dimension list var_mtd[idx].var_id); // O [var] Variable ID rcd=nco_put_att // [fnc] Create attribute (nc_id, // I [enm] netCDF file for output var_mtd[idx].var_id, // [id] Variable ID var_mtd[idx].att_1_nm, // [sng] Attribute name var_mtd[idx].att_1_val); // [sng] Attribute value rcd=nco_put_att // [fnc] Create attribute (nc_id, // I [enm] netCDF file for output var_mtd[idx].var_id, // [id] Variable ID var_mtd[idx].att_2_nm, // [sng] Attribute name var_mtd[idx].att_2_val); // [sng] Attribute value } // endif } // end loop over var // Be in data mode on exit so values may be written rcd=nco_enddef(nc_id); // [fnc] Leave define mode if(dbg_lvl >= 5) std::cerr << "DEBUG: Exiting " << sbr_nm << "()..." << std::endl; return rcd; // [enm] Return success code } // end nco_var_dfn()

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