[498] | 1 | /*! |
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| 2 | \file netCdfInterface.cpp |
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| 3 | \author Ha NGUYEN |
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| 4 | \date 08 Oct 2014 |
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| 5 | \since 03 Oct 2014 |
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| 6 | |
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| 7 | \brief Wrapper of netcdf functions. |
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| 8 | */ |
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| 9 | |
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[525] | 10 | #include "netCdfInterface.hpp" |
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| 11 | #include "netCdfException.hpp" |
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[1520] | 12 | #include "ep_mpi.hpp" |
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[525] | 13 | namespace xios |
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| 14 | { |
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| 15 | /*! |
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| 16 | This function creates a new netcdf file and return its id |
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| 17 | \param [in] fileName Name of the file |
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| 18 | \param [in] cMode create mode |
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| 19 | \param [in/out] ncId id of the created file |
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| 20 | \return Status code |
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| 21 | */ |
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| 22 | int CNetCdfInterface::create(const StdString& fileName, int cMode, int& ncId) |
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| 23 | { |
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[686] | 24 | int status = nc_create(fileName.c_str(), cMode, &ncId); |
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[525] | 25 | if (NC_NOERR != status) |
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| 26 | { |
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| 27 | StdString errormsg(nc_strerror(status)); |
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| 28 | StdStringStream sstr; |
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[686] | 29 | sstr << "Error when calling function: nc_create(fileName.c_str(), cMode, &ncId) " << std::endl |
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[525] | 30 | << errormsg << std::endl |
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[686] | 31 | << "Unable to create file, given its name: " << fileName |
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[1460] | 32 | << " and its creation mode " << creationMode2String(cMode) << std::endl; |
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[525] | 33 | StdString e = sstr.str(); |
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| 34 | throw CNetCdfException(e); |
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| 35 | } |
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[498] | 36 | |
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[525] | 37 | return status; |
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| 38 | } |
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[498] | 39 | |
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[525] | 40 | /*! |
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| 41 | This function creates a new netcdf file on parallel file system |
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| 42 | \param [in] fileName Name of the file |
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| 43 | \param [in] cMode create mode |
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| 44 | \param [in] comm MPI communicator |
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| 45 | \param [in] info MPI information |
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| 46 | \param [in/out] ncId id of the created file |
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| 47 | \return Status code |
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| 48 | */ |
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| 49 | int CNetCdfInterface::createPar(const StdString& fileName, int cMode, MPI_Comm comm, MPI_Info info, int& ncId) |
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| 50 | { |
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[1520] | 51 | int status = xios::nc_create_par(fileName.c_str(), cMode, comm, to_mpi_info(MPI_INFO_NULL), &ncId); |
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[525] | 52 | if (NC_NOERR != status) |
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| 53 | { |
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| 54 | StdString errormsg(nc_strerror(status)); |
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| 55 | StdStringStream sstr; |
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[686] | 56 | sstr << "Error when calling function: nc_create_par(fileName.c_str(), cMode, comm, info, &ncId) " << std::endl |
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[525] | 57 | << errormsg << std::endl |
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[686] | 58 | << "Unable to create file on parallel file system, given its name: " << std::endl |
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[525] | 59 | << "and its creation mode " << creationMode2String(cMode) << std::endl; |
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| 60 | StdString e = sstr.str(); |
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| 61 | throw CNetCdfException(e); |
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| 62 | } |
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[498] | 63 | |
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[525] | 64 | return status; |
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| 65 | } |
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[498] | 66 | |
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[525] | 67 | /*! |
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| 68 | This function opens a netcdf file, given its name and open mode, return its id |
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| 69 | \param [in] fileName Name of the file |
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| 70 | \param [in] oMode open mode |
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| 71 | \param [in/out] ncId id of the opening file |
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| 72 | \return Status code |
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| 73 | */ |
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| 74 | int CNetCdfInterface::open(const StdString& fileName, int oMode, int& ncId) |
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| 75 | { |
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[1328] | 76 | int status = nc_open(fileName.c_str(), oMode, &ncId); |
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[525] | 77 | if (NC_NOERR != status) |
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| 78 | { |
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| 79 | StdString errormsg(nc_strerror(status)); |
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| 80 | StdStringStream sstr; |
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[686] | 81 | sstr << "Error when calling function: nc_open(fileName.c_str(), oMode, &ncId) "<< std::endl |
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[525] | 82 | << errormsg << std::endl |
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[686] | 83 | << "Unable to open file, given its name: " << fileName |
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[525] | 84 | << "and its open mode " << openMode2String(oMode) << std::endl; |
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| 85 | StdString e = sstr.str(); |
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| 86 | throw CNetCdfException(e); |
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| 87 | } |
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[498] | 88 | |
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[525] | 89 | return status; |
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| 90 | } |
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[498] | 91 | |
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| 92 | |
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[525] | 93 | /*! |
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| 94 | This function opens a new netcdf file on parallel file system |
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| 95 | \param [in] fileName Name of the file |
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| 96 | \param [in] oMode open mode |
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| 97 | \param [in] comm MPI communicator |
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| 98 | \param [in] info MPI information |
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| 99 | \param [in/out] ncId id of the opened file |
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| 100 | \return Status code |
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| 101 | */ |
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| 102 | int CNetCdfInterface::openPar(const StdString& fileName, int oMode, MPI_Comm comm, MPI_Info info, int& ncId) |
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| 103 | { |
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[1334] | 104 | int status; |
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| 105 | #pragma omp critical (_netcdf) |
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[1520] | 106 | status = xios::nc_open_par(fileName.c_str(), oMode, comm, to_mpi_info(MPI_INFO_NULL), &ncId); |
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[1334] | 107 | |
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[525] | 108 | if (NC_NOERR != status) |
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| 109 | { |
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| 110 | StdString errormsg(nc_strerror(status)); |
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| 111 | StdStringStream sstr; |
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[686] | 112 | sstr << "Error when calling function nc_open_par(fileName.c_str(), oMode, comm, info, &ncId) " << std::endl |
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[525] | 113 | << errormsg << std::endl |
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[686] | 114 | << "Unable to open file on parallel file system, given its name: " << fileName |
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[525] | 115 | << "and its open mode " << openMode2String(oMode) << std::endl; |
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| 116 | StdString e = sstr.str(); |
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| 117 | throw CNetCdfException(e); |
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| 118 | } |
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[498] | 119 | |
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[525] | 120 | return status; |
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| 121 | } |
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[498] | 122 | |
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[525] | 123 | /*! |
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| 124 | This function closes a netcdf file, given its id |
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| 125 | \param [in] ncId id of the opening netcdf file |
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| 126 | \return Status code |
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| 127 | */ |
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| 128 | int CNetCdfInterface::close(int ncId) |
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| 129 | { |
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[1338] | 130 | int status = NC_NOERR; |
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| 131 | #pragma omp master |
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[525] | 132 | { |
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[1338] | 133 | status = nc_close(ncId); |
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| 134 | if (NC_NOERR != status) |
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| 135 | { |
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| 136 | StdString errormsg(nc_strerror(status)); |
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| 137 | StdStringStream sstr; |
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| 138 | sstr << "Error when calling function nc_close(ncId)" << std::endl |
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| 139 | << errormsg << std::endl |
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| 140 | << "Unable to close file, given its id: " << ncId << std::endl; |
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| 141 | StdString e = sstr.str(); |
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| 142 | throw CNetCdfException(e); |
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| 143 | } |
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[525] | 144 | } |
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[1460] | 145 | |
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[525] | 146 | return status; |
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| 147 | } |
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[498] | 148 | |
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[525] | 149 | /*! |
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| 150 | This function put a netcdf file into define mode, given its id |
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| 151 | \param [in] ncId id of the opening netcdf file to be put into define mode |
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| 152 | \return Status code |
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| 153 | */ |
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| 154 | int CNetCdfInterface::reDef(int ncId) |
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| 155 | { |
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| 156 | int status = nc_redef(ncId); |
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| 157 | if (NC_NOERR != status) |
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| 158 | { |
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| 159 | StdString errormsg(nc_strerror(status)); |
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| 160 | StdStringStream sstr; |
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[686] | 161 | sstr << "Error when calling function nc_redef(ncId)" << std::endl |
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[525] | 162 | << errormsg << std::endl |
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[686] | 163 | << "Unable to put this file into define mode given its id: " << ncId << std::endl; |
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[525] | 164 | StdString e = sstr.str(); |
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| 165 | throw CNetCdfException(e); |
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| 166 | } |
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[498] | 167 | |
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[525] | 168 | return status; |
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| 169 | } |
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[498] | 170 | |
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[525] | 171 | /*! |
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| 172 | This function ends a netcdf file define mode, given its id |
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| 173 | \param [in] ncId id of the opening netcdf file to be put into define mode |
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| 174 | \return Status code |
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| 175 | */ |
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| 176 | int CNetCdfInterface::endDef(int ncId) |
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| 177 | { |
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| 178 | int status = nc_enddef(ncId); |
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| 179 | if (NC_NOERR != status) |
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| 180 | { |
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| 181 | StdString errormsg(nc_strerror(status)); |
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| 182 | StdStringStream sstr; |
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[498] | 183 | |
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[686] | 184 | sstr << "Error when calling function nc_enddef(ncId)" << std::endl |
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[525] | 185 | << errormsg << std::endl |
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[686] | 186 | << "Unable to end define mode of this file, given its id: " << ncId << std::endl; |
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[525] | 187 | StdString e = sstr.str(); |
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| 188 | throw CNetCdfException(e); |
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| 189 | } |
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[498] | 190 | |
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[525] | 191 | return status; |
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| 192 | } |
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[498] | 193 | |
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[525] | 194 | /*! |
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| 195 | This function makes a request to netcdf with ncid and group name then return ncid of the named group |
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| 196 | \param [in] ncid Groupd id (or File Id) |
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| 197 | \param [in] grpName Name of the desired group (or file) |
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| 198 | \param [in/out] grpId Group id if the group is found |
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| 199 | \return Status code |
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| 200 | */ |
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| 201 | int CNetCdfInterface::inqNcId(int ncid, const StdString& grpName, int& grpId) |
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| 202 | { |
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[686] | 203 | int status = nc_inq_ncid(ncid, grpName.c_str(), &grpId); |
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[525] | 204 | if (NC_NOERR != status) |
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| 205 | { |
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| 206 | StdString errormsg(nc_strerror(status)); |
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| 207 | StdStringStream sstr; |
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[498] | 208 | |
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[686] | 209 | sstr << "Error when calling function nc_inq_ncid(ncid, grpName.c_str(), &grpId)" << std::endl |
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[525] | 210 | << errormsg << std::endl |
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[686] | 211 | << "Unable to get id of a group (File), given its name: " << grpName << std::endl; |
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[525] | 212 | StdString e = sstr.str(); |
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| 213 | throw CNetCdfException(e); |
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| 214 | } |
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[498] | 215 | |
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[525] | 216 | return status; |
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| 217 | } |
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[498] | 218 | |
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| 219 | |
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[525] | 220 | /*! |
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| 221 | This function makes a request to netcdf with ncid and variable name then return ncid of the named variable |
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| 222 | \param [in] ncid Groupd id (or File Id) |
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| 223 | \param [in] varName Name of the desired variable |
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| 224 | \param [in/out] varId Variable id if this variable is found |
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| 225 | \return Status code |
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| 226 | */ |
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[686] | 227 | int CNetCdfInterface::inqVarId(int ncid, const StdString& varName, int& varId) |
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[525] | 228 | { |
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[686] | 229 | int status = nc_inq_varid(ncid, varName.c_str(), &varId); |
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[525] | 230 | if (NC_NOERR != status) |
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| 231 | { |
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| 232 | StdString errormsg(nc_strerror(status)); |
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| 233 | StdStringStream sstr; |
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[498] | 234 | |
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[686] | 235 | sstr << "Error when calling function: nc_inq_varid(ncid, varName.c_str(), &varId)" << std::endl |
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[525] | 236 | << (errormsg) << std::endl |
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[686] | 237 | << "Unable to get id of variable with name: " << varName << std::endl; |
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[525] | 238 | StdString e = sstr.str(); |
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| 239 | throw CNetCdfException(e); |
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| 240 | } |
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[498] | 241 | |
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[525] | 242 | return status; |
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| 243 | } |
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[498] | 244 | |
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[525] | 245 | /*! |
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| 246 | This function makes a request to netcdf with a netCdf dimension name then return ncid of the named dimension |
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| 247 | \param [in] ncid Groupd id (or File Id) |
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| 248 | \param [in] dimName Name of the desired dimension |
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| 249 | \param [in/out] dimId Dimension id if this dimension is found |
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| 250 | \return Status code |
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| 251 | */ |
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[686] | 252 | int CNetCdfInterface::inqDimId(int ncid, const StdString& dimName, int& dimId) |
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[525] | 253 | { |
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[686] | 254 | int status = nc_inq_dimid(ncid, dimName.c_str(), &dimId); |
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[525] | 255 | if (NC_NOERR != status) |
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| 256 | { |
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| 257 | StdString errormsg(nc_strerror(status)); |
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| 258 | StdStringStream sstr; |
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[498] | 259 | |
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[686] | 260 | sstr << "Error when calling function nc_inq_dimid(ncid, dimName.c_str(), &dimId)" << std::endl |
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[498] | 261 | << errormsg << std::endl |
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[686] | 262 | << "Unable to get id of dimension, given its name: " << dimName << std::endl; |
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[525] | 263 | StdString e = sstr.str(); |
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| 264 | throw CNetCdfException(e); |
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| 265 | } |
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[498] | 266 | |
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[525] | 267 | return status; |
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| 268 | } |
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[498] | 269 | |
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[525] | 270 | /*! |
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[686] | 271 | This function queries the name of a variable given its id. |
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| 272 | \param [in] ncid Groupd id (or File Id) |
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| 273 | \param [in] varId Id of desired variable |
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| 274 | \param [out] varName name of desired variable |
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| 275 | \return Status code |
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| 276 | */ |
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| 277 | int CNetCdfInterface::inqVarName(int ncid, int varId, StdString& varName) |
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| 278 | { |
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| 279 | char varNameBuff[NC_MAX_NAME + 1]; |
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| 280 | int status = nc_inq_varname(ncid, varId, varNameBuff); |
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| 281 | if (NC_NOERR != status) |
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| 282 | { |
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| 283 | StdString errormsg(nc_strerror(status)); |
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| 284 | StdStringStream sstr; |
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| 285 | |
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| 286 | sstr << "Error when calling function nc_inq_varname(ncid, varId, varNameBuff)" << std::endl |
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| 287 | << errormsg << std::endl |
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[833] | 288 | << "Unable to get variable name: "<< varName << " given its id: " << varId << std::endl; |
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[686] | 289 | StdString e = sstr.str(); |
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| 290 | throw CNetCdfException(e); |
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| 291 | } |
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| 292 | varName = varNameBuff; |
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| 293 | return status; |
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| 294 | } |
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| 295 | |
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| 296 | /*! |
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[525] | 297 | This function makes a request to netcdf with a netCdf dimension name then return ncid of the named dimension |
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| 298 | \param [in] ncid Groupd id (or File Id) |
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| 299 | \param [in/out] dimId Dimension id if this dimension is found |
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| 300 | \return Status code |
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| 301 | */ |
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| 302 | int CNetCdfInterface::inqUnLimDim(int ncid, int& dimId) |
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| 303 | { |
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| 304 | int status = nc_inq_unlimdim(ncid, &dimId); |
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| 305 | if (NC_NOERR != status) |
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| 306 | { |
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| 307 | StdString errormsg(nc_strerror(status)); |
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| 308 | StdStringStream sstr; |
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[498] | 309 | |
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[686] | 310 | sstr << "Error when calling function nc_inq_dimid" << std::endl |
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[525] | 311 | << errormsg << std::endl |
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| 312 | << "Unable to get id of unlimited dimension " << std::endl; |
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| 313 | StdString e = sstr.str(); |
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| 314 | throw CNetCdfException(e); |
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| 315 | } |
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[498] | 316 | |
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[525] | 317 | return status; |
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| 318 | } |
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[498] | 319 | |
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[525] | 320 | /*! |
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| 321 | This function makes a request to netcdf, returns name of a dimension, given its id |
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| 322 | \param [in] ncid Groupd id (or File Id) |
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| 323 | \param [in] dimId Id of desired dimension |
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[686] | 324 | \param [out] dimName Name of desired dimension |
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[525] | 325 | \return Status code |
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| 326 | */ |
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| 327 | int CNetCdfInterface::inqDimName(int ncid, int dimId, StdString& dimName) |
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| 328 | { |
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[686] | 329 | char fullNameIn[NC_MAX_NAME + 1]; |
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[525] | 330 | int status = nc_inq_dimname(ncid, dimId, fullNameIn); |
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| 331 | if (NC_NOERR != status) |
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| 332 | { |
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| 333 | StdString errormsg(nc_strerror(status)); |
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| 334 | StdStringStream sstr; |
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[498] | 335 | |
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[686] | 336 | sstr << "Error when calling function nc_inq_dimname(ncid, dimId, fullNameIn)" << std::endl |
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[525] | 337 | << errormsg << std::endl |
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[833] | 338 | << "Unable to get dimension name: " << dimName << " given its id: " << dimId << std::endl; |
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[525] | 339 | StdString e = sstr.str(); |
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| 340 | throw CNetCdfException(e); |
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| 341 | } |
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| 342 | dimName = StdString(fullNameIn); |
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| 343 | return status; |
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| 344 | } |
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[498] | 345 | |
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[525] | 346 | /*! |
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| 347 | This function makes a request to netcdf, returns length of a dimension, given its id |
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| 348 | \param [in] ncid Groupd id (or File Id) |
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| 349 | \param [in] dimId Id of desired dimension |
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| 350 | \param [in/out] dimLen Length of desired dimension |
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| 351 | \return Status code |
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| 352 | */ |
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| 353 | int CNetCdfInterface::inqDimLen(int ncid, int dimId, StdSize& dimLen) |
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| 354 | { |
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[1328] | 355 | int status = nc_inq_dimlen(ncid, dimId, &dimLen); |
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[525] | 356 | if (NC_NOERR != status) |
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| 357 | { |
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| 358 | StdString errormsg(nc_strerror(status)); |
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| 359 | StdStringStream sstr; |
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[498] | 360 | |
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[686] | 361 | sstr << "Error when calling function nc_inq_dimlen(ncid, dimId, &dimLen)" << std::endl |
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[525] | 362 | << errormsg << std::endl |
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[686] | 363 | << "Unable to get dimension length given its id: " << dimId << std::endl; |
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[525] | 364 | StdString e = sstr.str(); |
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| 365 | throw CNetCdfException(e); |
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| 366 | } |
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[498] | 367 | |
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[525] | 368 | return status; |
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| 369 | } |
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[498] | 370 | |
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[525] | 371 | /*! |
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| 372 | This function makes a request to netcdf, returns number of dimensions of a variable, given its id |
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| 373 | \param [in] ncid Groupd id (or File Id) |
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| 374 | \param [in] varId Id of variable |
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| 375 | \param [in/out] ndims number of dimension of the variable |
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| 376 | \return Status code |
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| 377 | */ |
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| 378 | int CNetCdfInterface::inqVarNDims(int ncid, int varId, int& nDims) |
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| 379 | { |
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| 380 | int status = nc_inq_varndims(ncid, varId, &nDims); |
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| 381 | if (NC_NOERR != status) |
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| 382 | { |
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| 383 | StdString errormsg(nc_strerror(status)); |
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| 384 | StdStringStream sstr; |
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[498] | 385 | |
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[686] | 386 | sstr << "Error when calling function nc_inq_varndims(ncid, varId, &nDims)" << std::endl |
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[525] | 387 | << errormsg << std::endl |
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[686] | 388 | << "Unable to get the number of dimension of variable with Id: " << varId << std::endl; |
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[525] | 389 | StdString e = sstr.str(); |
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| 390 | throw CNetCdfException(e); |
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| 391 | } |
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[498] | 392 | |
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[525] | 393 | return status; |
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| 394 | } |
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[498] | 395 | |
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[525] | 396 | /*! |
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| 397 | This function makes a request to netcdf, returns a list of dimension ID describing the shape of the variable, given its id |
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| 398 | \param [in] ncid Groupd id (or File Id) |
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| 399 | \param [in] varId Id of variable |
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| 400 | \param [in/out] dimIds list of dimension of the variable |
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| 401 | \return Status code |
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| 402 | */ |
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| 403 | int CNetCdfInterface::inqVarDimId(int ncid, int varId, int* dimIds) |
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| 404 | { |
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| 405 | int status = nc_inq_vardimid(ncid, varId, dimIds); |
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| 406 | if (NC_NOERR != status) |
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| 407 | { |
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| 408 | StdString errormsg(nc_strerror(status)); |
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| 409 | StdStringStream sstr; |
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[498] | 410 | |
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[686] | 411 | sstr << "Error when calling function nc_inq_vardimid(ncid, varId, dimIds)" << std::endl |
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[525] | 412 | << errormsg << std::endl |
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| 413 | << "Unable to get list of dimension id of the variable with id " << varId << std::endl; |
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| 414 | StdString e = sstr.str(); |
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| 415 | throw CNetCdfException(e); |
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| 416 | } |
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[498] | 417 | |
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[525] | 418 | return status; |
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| 419 | } |
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[498] | 420 | |
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[525] | 421 | /*! |
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| 422 | This function makes a request to netcdf, to find all dimension in a group |
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| 423 | \param [in] ncid Groupd id (or File Id) |
---|
| 424 | \param [in/out] nDims number of list of dimension |
---|
| 425 | \param [in/out] dimIds list of dimension in a group or any of its parent |
---|
| 426 | \param [in] includeParents number of parents |
---|
| 427 | \return Status code |
---|
| 428 | */ |
---|
| 429 | int CNetCdfInterface::inqDimIds(int ncid, int& nDims, int* dimIds, int includeParents) |
---|
| 430 | { |
---|
| 431 | int status = nc_inq_dimids(ncid, &nDims, dimIds, includeParents); |
---|
| 432 | if (NC_NOERR != status) |
---|
| 433 | { |
---|
| 434 | StdString errormsg(nc_strerror(status)); |
---|
| 435 | StdStringStream sstr; |
---|
[498] | 436 | |
---|
[686] | 437 | sstr << "Error when calling function nc_inq_dimids(ncid, &nDims, dimIds, includeParents)" << std::endl; |
---|
[525] | 438 | sstr << errormsg << std::endl; |
---|
[686] | 439 | sstr << "Unable to retrieve number of dimension in the group with id: " << ncid << std::endl; |
---|
[525] | 440 | sstr << "With number of Parents " << includeParents << std::endl; |
---|
| 441 | StdString e = sstr.str(); |
---|
| 442 | throw CNetCdfException(e); |
---|
| 443 | } |
---|
[498] | 444 | |
---|
[525] | 445 | return status; |
---|
| 446 | } |
---|
[498] | 447 | |
---|
[525] | 448 | /*! |
---|
[686] | 449 | This function queries the full name of a group given its id. |
---|
| 450 | \param [in] ncid Groupd id (or File Id) |
---|
| 451 | \param [in/out] grpFullName the full name of the group |
---|
| 452 | \return Status code |
---|
| 453 | */ |
---|
| 454 | int CNetCdfInterface::inqGrpFullName(int ncid, StdString& grpFullName) |
---|
| 455 | { |
---|
| 456 | StdSize strlen = 0; |
---|
| 457 | std::vector<char> buff; |
---|
| 458 | int status = nc_inq_grpname_full(ncid, &strlen, NULL); |
---|
| 459 | if (NC_NOERR == status) |
---|
| 460 | { |
---|
| 461 | buff.resize(strlen + 1); |
---|
| 462 | status = nc_inq_grpname_full(ncid, NULL, &buff[0]); |
---|
| 463 | } |
---|
| 464 | |
---|
| 465 | if (NC_NOERR != status) |
---|
| 466 | { |
---|
| 467 | StdString errormsg(nc_strerror(status)); |
---|
| 468 | StdStringStream sstr; |
---|
| 469 | |
---|
| 470 | sstr << "Error when calling function nc_inq_grpname_full(ncid, &strlen, &buff[0])" << std::endl |
---|
| 471 | << errormsg << std::endl |
---|
| 472 | << "Unable to get the full group name given its id: " << ncid << std::endl; |
---|
| 473 | StdString e = sstr.str(); |
---|
| 474 | throw CNetCdfException(e); |
---|
| 475 | } |
---|
| 476 | |
---|
| 477 | grpFullName.assign(buff.begin(), buff.end()); |
---|
| 478 | |
---|
| 479 | return status; |
---|
| 480 | } |
---|
| 481 | |
---|
| 482 | /*! |
---|
| 483 | This function queries the list of group ids given a location id. |
---|
| 484 | \param [in] ncid Groupd id (or File Id) |
---|
| 485 | \param [in/out] numgrps number of groups |
---|
| 486 | \param [in/out] ncids list of group ids |
---|
| 487 | \return Status code |
---|
| 488 | */ |
---|
| 489 | int CNetCdfInterface::inqGrpIds(int ncid, int& numgrps, int* ncids) |
---|
| 490 | { |
---|
| 491 | int status = nc_inq_grps(ncid, &numgrps, ncids); |
---|
| 492 | if (NC_NOERR != status) |
---|
| 493 | { |
---|
| 494 | StdString errormsg(nc_strerror(status)); |
---|
| 495 | StdStringStream sstr; |
---|
| 496 | |
---|
| 497 | sstr << "Error when calling function nc_inq_grps(ncid, &numgrps, ncids)" << std::endl; |
---|
| 498 | sstr << errormsg << std::endl; |
---|
| 499 | sstr << "Unable to retrieve the list of groups for location id: " << ncid << std::endl; |
---|
| 500 | StdString e = sstr.str(); |
---|
| 501 | throw CNetCdfException(e); |
---|
| 502 | } |
---|
| 503 | |
---|
| 504 | return status; |
---|
| 505 | } |
---|
| 506 | |
---|
| 507 | /*! |
---|
| 508 | This function queries the list of variable ids given a location id. |
---|
| 509 | \param [in] ncid Groupd id (or File Id) |
---|
| 510 | \param [in/out] nvars number of variables |
---|
| 511 | \param [in/out] varids list of variable ids |
---|
| 512 | \return Status code |
---|
| 513 | */ |
---|
| 514 | int CNetCdfInterface::inqVarIds(int ncid, int& nvars, int* varids) |
---|
| 515 | { |
---|
| 516 | int status = nc_inq_varids(ncid, &nvars, varids); |
---|
| 517 | if (NC_NOERR != status) |
---|
| 518 | { |
---|
| 519 | StdString errormsg(nc_strerror(status)); |
---|
| 520 | StdStringStream sstr; |
---|
| 521 | |
---|
| 522 | sstr << "Error when calling function nc_inq_varids(ncid, &nvars, varids)" << std::endl; |
---|
| 523 | sstr << errormsg << std::endl; |
---|
| 524 | sstr << "Unable to retrieve the list of variables for location id: " << ncid << std::endl; |
---|
| 525 | StdString e = sstr.str(); |
---|
| 526 | throw CNetCdfException(e); |
---|
| 527 | } |
---|
| 528 | |
---|
| 529 | return status; |
---|
| 530 | } |
---|
| 531 | |
---|
| 532 | /*! |
---|
| 533 | This function queries the type and the size of an attribute given its name and the id of the variable to which it is attached. |
---|
| 534 | \param [in] ncid Groupd id (or File Id) |
---|
| 535 | \param [in] varid the id of the variable to which the attribute is attached |
---|
| 536 | \param [in] name the name of the attribute |
---|
| 537 | \param [out] type the type of the attribute |
---|
| 538 | \param [out] len the size of the attribute |
---|
| 539 | \return Status code |
---|
| 540 | */ |
---|
| 541 | int CNetCdfInterface::inqAtt(int ncid, int varid, const StdString& name, nc_type& type, size_t& len) |
---|
| 542 | { |
---|
| 543 | int status = nc_inq_att(ncid, varid, name.c_str(), &type, &len); |
---|
| 544 | if (NC_NOERR != status) |
---|
| 545 | { |
---|
| 546 | StdString errormsg(nc_strerror(status)); |
---|
| 547 | StdStringStream sstr; |
---|
| 548 | |
---|
| 549 | sstr << "Error when calling function nc_inq_att(ncid, varid, name.c_str(), &type, &len)" << std::endl; |
---|
| 550 | sstr << errormsg << std::endl; |
---|
| 551 | sstr << "Unable to query the attribute information given its name: " << name << " and its variable id:" << varid << std::endl; |
---|
| 552 | StdString e = sstr.str(); |
---|
| 553 | throw CNetCdfException(e); |
---|
| 554 | } |
---|
| 555 | |
---|
| 556 | return status; |
---|
| 557 | } |
---|
| 558 | |
---|
| 559 | /*! |
---|
| 560 | This function queries the number of global attributes given a location id. |
---|
| 561 | \param [in] ncid Groupd id (or File Id) |
---|
| 562 | \param [out] ngatts the number of global attributes |
---|
| 563 | \return Status code |
---|
| 564 | */ |
---|
| 565 | int CNetCdfInterface::inqNAtts(int ncid, int& ngatts) |
---|
| 566 | { |
---|
| 567 | int status = nc_inq_natts(ncid, &ngatts); |
---|
| 568 | if (NC_NOERR != status) |
---|
| 569 | { |
---|
| 570 | StdString errormsg(nc_strerror(status)); |
---|
| 571 | StdStringStream sstr; |
---|
| 572 | |
---|
| 573 | sstr << "Error when calling function nc_inq_natts(ncid, &ngatts)" << std::endl; |
---|
| 574 | sstr << errormsg << std::endl; |
---|
| 575 | sstr << "Unable to query the number of global attributes given the location id:" << ncid << std::endl; |
---|
| 576 | StdString e = sstr.str(); |
---|
| 577 | throw CNetCdfException(e); |
---|
| 578 | } |
---|
| 579 | |
---|
| 580 | return status; |
---|
| 581 | } |
---|
| 582 | |
---|
| 583 | /*! |
---|
| 584 | This function queries the number of global attributes given a location id and a variable id. |
---|
| 585 | \param [in] ncid Groupd id (or File Id) |
---|
| 586 | \param [in] varid the id of the variable |
---|
| 587 | \param [out] natts the number of global attributes |
---|
| 588 | \return Status code |
---|
| 589 | */ |
---|
| 590 | int CNetCdfInterface::inqVarNAtts(int ncid, int varid, int& natts) |
---|
| 591 | { |
---|
| 592 | int status = nc_inq_varnatts(ncid, varid, &natts); |
---|
| 593 | if (NC_NOERR != status) |
---|
| 594 | { |
---|
| 595 | StdString errormsg(nc_strerror(status)); |
---|
| 596 | StdStringStream sstr; |
---|
| 597 | |
---|
| 598 | sstr << "Error when calling function nc_inq_varnatts(ncid, varid, &natts)" << std::endl; |
---|
| 599 | sstr << errormsg << std::endl; |
---|
| 600 | sstr << "Unable to query the number of attributes given the location id:" << ncid << " and the variable id:" << varid << std::endl; |
---|
| 601 | StdString e = sstr.str(); |
---|
| 602 | throw CNetCdfException(e); |
---|
| 603 | } |
---|
| 604 | |
---|
| 605 | return status; |
---|
| 606 | } |
---|
| 607 | |
---|
| 608 | |
---|
| 609 | //! Query the name of an attribute given a location id, a variable id and the attribute number |
---|
| 610 | int CNetCdfInterface::inqAttName(int ncid, int varid, int attnum, StdString& name) |
---|
| 611 | { |
---|
[782] | 612 | std::vector<char> attName(NC_MAX_NAME + 1,' '); |
---|
| 613 | int status = nc_inq_attname(ncid, varid, attnum, &attName[0]); |
---|
[686] | 614 | if (NC_NOERR != status) |
---|
| 615 | { |
---|
| 616 | StdString errormsg(nc_strerror(status)); |
---|
| 617 | StdStringStream sstr; |
---|
| 618 | |
---|
| 619 | sstr << "Error when calling function nc_inq_attname(ncid, varid, attnum, attName)" << std::endl; |
---|
| 620 | sstr << errormsg << std::endl; |
---|
[833] | 621 | sstr << "Unable to query the name: " << name << " of attribute " << attnum << " given the location id:" << ncid << " and the variable id:" << varid << std::endl; |
---|
[686] | 622 | StdString e = sstr.str(); |
---|
| 623 | throw CNetCdfException(e); |
---|
| 624 | } |
---|
| 625 | |
---|
[782] | 626 | int nameSize = 0; |
---|
| 627 | while ((nameSize < NC_MAX_NAME) && (' ' != attName[nameSize] )) ++nameSize; |
---|
| 628 | name.resize(nameSize); |
---|
| 629 | // for (int idx = 0; idx < nameSize; ++idx) name.at(idx) = attName[idx]; |
---|
| 630 | std::copy(&attName[0], &attName[nameSize-1], name.begin()); |
---|
| 631 | |
---|
[686] | 632 | return status; |
---|
| 633 | } |
---|
| 634 | |
---|
| 635 | /*! |
---|
[525] | 636 | This function makes a request to netcdf with a id of a prent groupd and then return id of the created group, given its name |
---|
| 637 | \param [in] parentNcid Id of parent groupd(or File Id) |
---|
| 638 | \param [in] grpName Name of the desired group |
---|
| 639 | \param [in/out] grpId Group id if this group is created sucessfully |
---|
| 640 | \return Status code |
---|
| 641 | */ |
---|
| 642 | int CNetCdfInterface::defGrp(int parentNcid, const StdString& grpName, int& grpId) |
---|
| 643 | { |
---|
[686] | 644 | int status = nc_def_grp(parentNcid, grpName.c_str(), &grpId); |
---|
[525] | 645 | if (NC_NOERR != status) |
---|
| 646 | { |
---|
| 647 | StdString errormsg(nc_strerror(status)); |
---|
| 648 | StdStringStream sstr; |
---|
[498] | 649 | |
---|
[686] | 650 | sstr << "Error when calling function nc_def_grp(parentNcid, grpName.c_str(), &grpId)" << std::endl; |
---|
[525] | 651 | sstr << errormsg << std::endl; |
---|
[686] | 652 | sstr << "Unable to create group Id, given its name: " << grpName << std::endl; |
---|
[525] | 653 | StdString e = sstr.str(); |
---|
| 654 | throw CNetCdfException(e); |
---|
| 655 | } |
---|
[498] | 656 | |
---|
[525] | 657 | return status; |
---|
| 658 | } |
---|
[498] | 659 | |
---|
[525] | 660 | /*! |
---|
| 661 | This function makes a request to netcdf, add a new dimension to an open netcdf in define mode |
---|
| 662 | \param [in] ncid Id of groupd(or File Id) |
---|
| 663 | \param [in] dimName Name of the desired dimension |
---|
| 664 | \param [in/out] grpId Group id if this group is created sucessfully |
---|
| 665 | \return Status code |
---|
| 666 | */ |
---|
| 667 | int CNetCdfInterface::defDim(int ncid, const StdString& dimName, StdSize dimLen, int& dimId) |
---|
| 668 | { |
---|
[686] | 669 | int status = nc_def_dim(ncid, dimName.c_str(), dimLen, &dimId); |
---|
[525] | 670 | if (NC_NOERR != status) |
---|
| 671 | { |
---|
| 672 | StdString errormsg(nc_strerror(status)); |
---|
| 673 | StdStringStream sstr; |
---|
[498] | 674 | |
---|
[686] | 675 | sstr << "Error when calling function nc_def_dim(ncid, dimName.c_str(), dimLen, &dimId)" << std::endl; |
---|
[525] | 676 | sstr << errormsg << std::endl; |
---|
[686] | 677 | sstr << "Unable to create dimension with name: " << dimName |
---|
[525] | 678 | << " and with length " << dimLen << std::endl; |
---|
| 679 | StdString e = sstr.str(); |
---|
| 680 | throw CNetCdfException(e); |
---|
| 681 | } |
---|
[498] | 682 | |
---|
[525] | 683 | return status; |
---|
| 684 | } |
---|
[498] | 685 | |
---|
[525] | 686 | /*! |
---|
| 687 | This function makes a request to netcdf with its id, to add a new variable to an open netCdf in define mode, |
---|
| 688 | return a variable id, given its name, type, the number of dimensions and list of dimension id |
---|
| 689 | \param [in] ncid Id of groupd(or File Id) |
---|
| 690 | \param [in] varName Name of the desired dimension |
---|
| 691 | \param [in] xtypes One of the set of predefined netCDF data types |
---|
| 692 | \param [in] nDims Number of dimension for the variable |
---|
| 693 | \param [in] dimIds List of ndims dimension ids corresponding to the variable dimensions |
---|
| 694 | \param [in/out] varId Variable id if it is added sucessfully |
---|
| 695 | \return Status code |
---|
| 696 | */ |
---|
[686] | 697 | int CNetCdfInterface::defVar(int ncid, const StdString& varName, nc_type xtype, |
---|
| 698 | int nDims, const int dimIds[], int& varId) |
---|
[525] | 699 | { |
---|
[686] | 700 | int status = nc_def_var(ncid, varName.c_str(), xtype, nDims, dimIds, &varId); |
---|
[525] | 701 | if (NC_NOERR != status) |
---|
| 702 | { |
---|
| 703 | StdString errormsg(nc_strerror(status)); |
---|
| 704 | StdStringStream sstr; |
---|
[498] | 705 | |
---|
[686] | 706 | sstr << "Error when calling function nc_def_var(ncid, varName.c_str(), xtype, nDims, dimIds, &varId)" << std::endl; |
---|
[525] | 707 | sstr << errormsg << std::endl; |
---|
[686] | 708 | sstr << "Unable to add a new variable with name: " << varName |
---|
[525] | 709 | << " with type " << xtype |
---|
| 710 | << " and number of dimension " << nDims << std::endl; |
---|
| 711 | StdString e = sstr.str(); |
---|
| 712 | throw CNetCdfException(e); |
---|
| 713 | } |
---|
[498] | 714 | |
---|
[525] | 715 | return status; |
---|
| 716 | } |
---|
[498] | 717 | |
---|
[525] | 718 | /*! |
---|
| 719 | This function makes a request to netcdf with a ncid, to set the chunking size of a variable, |
---|
| 720 | given variable id and type of storage |
---|
| 721 | \param [in] ncid Id groupd(or File Id) |
---|
| 722 | \param [in] varId Id of the variable |
---|
[686] | 723 | \param [in] storage Type of storage (It can be: NC_CONTIGUOUS, NC_CHUNKED) |
---|
[525] | 724 | \param [in/out] chunkSize array list of chunk sizes |
---|
| 725 | \return Status code |
---|
| 726 | */ |
---|
| 727 | int CNetCdfInterface::defVarChunking(int ncid, int varId, int storage, StdSize chunkSize[]) |
---|
| 728 | { |
---|
| 729 | int status = nc_def_var_chunking(ncid, varId, storage, chunkSize); |
---|
| 730 | if (NC_NOERR != status) |
---|
[517] | 731 | { |
---|
[525] | 732 | StdString errormsg(nc_strerror(status)); |
---|
| 733 | StdStringStream sstr; |
---|
[517] | 734 | |
---|
[686] | 735 | sstr << "Error when calling function nc_def_var_chunking(ncid, varId, storage, chunkSize)" << std::endl; |
---|
[525] | 736 | sstr << errormsg << std::endl; |
---|
[686] | 737 | sstr << "Unable to set chunk size of the variable with id: " << varId |
---|
[525] | 738 | << " and storage type " << storage << std::endl; |
---|
| 739 | StdString e = sstr.str(); |
---|
| 740 | throw CNetCdfException(e); |
---|
[517] | 741 | } |
---|
| 742 | |
---|
[525] | 743 | return status; |
---|
| 744 | } |
---|
[498] | 745 | |
---|
[525] | 746 | /*! |
---|
[606] | 747 | This function sets the compression level to the specified variable |
---|
| 748 | \param [in] ncid Groud id (or file id) |
---|
| 749 | \param [in] varId Id of the variable |
---|
| 750 | \param [in] compressionLevel The compression level from 0 to 9 (0 disables the compression, 9 is the higher compression) |
---|
| 751 | \return Status code |
---|
| 752 | */ |
---|
| 753 | int CNetCdfInterface::defVarDeflate(int ncid, int varId, int compressionLevel) |
---|
| 754 | { |
---|
[972] | 755 | |
---|
| 756 | if (compressionLevel == 0) return NC_NOERR ; |
---|
[1460] | 757 | int status = nc_def_var_deflate(ncid, varId, (compressionLevel > 0), (compressionLevel > 0), compressionLevel); |
---|
[606] | 758 | if (NC_NOERR != status) |
---|
| 759 | { |
---|
| 760 | StdString errormsg(nc_strerror(status)); |
---|
| 761 | StdStringStream sstr; |
---|
| 762 | |
---|
[686] | 763 | sstr << "Error when calling function nc_def_var_deflate(ncid, varId, false, (compressionLevel > 0), compressionLevel)" << std::endl; |
---|
[606] | 764 | sstr << errormsg << std::endl; |
---|
| 765 | sstr << "Unable to set the compression level of the variable with id: " << varId |
---|
| 766 | << " and compression level: " << compressionLevel << std::endl; |
---|
| 767 | StdString e = sstr.str(); |
---|
| 768 | throw CNetCdfException(e); |
---|
| 769 | } |
---|
| 770 | |
---|
| 771 | return status; |
---|
| 772 | } |
---|
| 773 | |
---|
| 774 | /*! |
---|
[525] | 775 | Set or unset the fill mode for a NetCDF file specified by its file id. |
---|
| 776 | \param [in] ncid File id |
---|
| 777 | \param [in] fill Define whether the fill mode should be enabled or not |
---|
| 778 | \return Status code |
---|
| 779 | */ |
---|
| 780 | int CNetCdfInterface::setFill(int ncid, bool fill) |
---|
| 781 | { |
---|
| 782 | int old_fill_mode; |
---|
[686] | 783 | int status = nc_set_fill(ncid, fill ? NC_FILL: NC_NOFILL, &old_fill_mode); |
---|
[525] | 784 | if (NC_NOERR != status) |
---|
| 785 | { |
---|
| 786 | StdString errormsg(nc_strerror(status)); |
---|
| 787 | StdStringStream sstr; |
---|
[498] | 788 | |
---|
[686] | 789 | sstr << "Error when calling function nc_set_fill(ncid, fill ? NC_FILL: NC_NOFILL, &old_fill_mode)" << std::endl; |
---|
[525] | 790 | sstr << errormsg << std::endl; |
---|
[686] | 791 | sstr << "Unable to set the fill mode to: " << (fill ? "NC_FILL": "NC_NOFILL") << std::endl; |
---|
[525] | 792 | StdString e = sstr.str(); |
---|
| 793 | throw CNetCdfException(e); |
---|
| 794 | } |
---|
[498] | 795 | |
---|
[525] | 796 | return status; |
---|
| 797 | } |
---|
[498] | 798 | |
---|
[525] | 799 | /*! |
---|
| 800 | This function makes a request to netcdf with a ncid, to set the fill parameters for a variable, |
---|
| 801 | given variable id and type of fill |
---|
| 802 | \param [in] ncid Id groupd(or File Id) |
---|
| 803 | \param [in] varId Id of the variable |
---|
| 804 | \param [in] noFill turn on/off nofill mode on a variable |
---|
| 805 | \param [in/out] fillValue |
---|
| 806 | \return Status code |
---|
| 807 | */ |
---|
| 808 | int CNetCdfInterface::defVarFill(int ncid, int varId, int noFill, void* fillValue) |
---|
| 809 | { |
---|
| 810 | int status = nc_def_var_fill(ncid, varId, noFill, fillValue); |
---|
| 811 | if (NC_NOERR != status) |
---|
| 812 | { |
---|
| 813 | StdString errormsg(nc_strerror(status)); |
---|
| 814 | StdStringStream sstr; |
---|
[498] | 815 | |
---|
[686] | 816 | sstr << "Error when calling function nc_def_var_fill(ncid, varId, noFill, fillValue)" << std::endl; |
---|
[525] | 817 | sstr << errormsg << std::endl; |
---|
[686] | 818 | sstr << "Unable to set fill parameters of the variable with id: " << varId |
---|
[525] | 819 | << " and fill option " << noFill << std::endl; |
---|
| 820 | StdString e = sstr.str(); |
---|
| 821 | throw CNetCdfException(e); |
---|
| 822 | } |
---|
[498] | 823 | |
---|
[525] | 824 | return status; |
---|
| 825 | } |
---|
[498] | 826 | |
---|
[525] | 827 | /*! |
---|
| 828 | This function makes a request to netcdf with a ncid, to change the way read/write operations are performed |
---|
| 829 | collectively or independently on the variable. |
---|
| 830 | \param [in] ncid Id groupd(or File Id) |
---|
| 831 | \param [in] varId Id of the variable |
---|
| 832 | \param [in] noFill turn on/off nofill mode on a variable |
---|
| 833 | \param [in/out] fillValue |
---|
| 834 | \return Status code |
---|
| 835 | */ |
---|
| 836 | int CNetCdfInterface::varParAccess(int ncid, int varId, int access) |
---|
| 837 | { |
---|
| 838 | int status = nc_var_par_access(ncid, varId, access); |
---|
| 839 | if (NC_NOERR != status) |
---|
| 840 | { |
---|
| 841 | StdString errormsg(nc_strerror(status)); |
---|
| 842 | StdStringStream sstr; |
---|
[498] | 843 | |
---|
[686] | 844 | sstr << "Error when calling function nc_var_par_access(ncid, varId, access)" << std::endl; |
---|
[525] | 845 | sstr << errormsg << std::endl; |
---|
[686] | 846 | sstr << "Unable to change read/write option of the variable with id: " << varId << std::endl; |
---|
[525] | 847 | StdString e = sstr.str(); |
---|
| 848 | throw CNetCdfException(e); |
---|
| 849 | } |
---|
[498] | 850 | |
---|
[525] | 851 | return status; |
---|
| 852 | } |
---|
[498] | 853 | |
---|
[525] | 854 | /*! |
---|
| 855 | This function makes a synchronisation of the disk copy of a netCDF dataset. |
---|
| 856 | \param [in] ncid Id groupd(or File Id) |
---|
| 857 | \return Status code |
---|
| 858 | */ |
---|
| 859 | int CNetCdfInterface::sync(int ncid) |
---|
| 860 | { |
---|
| 861 | int status = nc_sync(ncid); |
---|
| 862 | if (NC_NOERR != status) |
---|
[498] | 863 | { |
---|
[525] | 864 | StdString errormsg(nc_strerror(status)); |
---|
| 865 | StdStringStream sstr; |
---|
[498] | 866 | |
---|
[686] | 867 | sstr << "Error when calling function nc_sync(ncid)" << std::endl; |
---|
[525] | 868 | sstr << errormsg << std::endl; |
---|
[686] | 869 | sstr << "Unable to make a synchronization of a netCDF file with id: " << ncid << std::endl; |
---|
[525] | 870 | StdString e = sstr.str(); |
---|
| 871 | throw CNetCdfException(e); |
---|
[498] | 872 | } |
---|
| 873 | |
---|
[525] | 874 | return status; |
---|
| 875 | } |
---|
[498] | 876 | |
---|
[686] | 877 | // Some specializations of getAttributeType |
---|
| 878 | template<> |
---|
| 879 | int CNetCdfInterface::ncGetAttType(int ncid, int varid, const char* attrName, double* data) |
---|
[525] | 880 | { |
---|
[686] | 881 | return nc_get_att_double(ncid, varid, attrName, data); |
---|
| 882 | } |
---|
[498] | 883 | |
---|
[686] | 884 | template<> |
---|
| 885 | int CNetCdfInterface::ncGetAttType(int ncid, int varid, const char* attrName, float* data) |
---|
| 886 | { |
---|
| 887 | return nc_get_att_float(ncid, varid, attrName, data); |
---|
| 888 | } |
---|
[498] | 889 | |
---|
[686] | 890 | template<> |
---|
| 891 | int CNetCdfInterface::ncGetAttType(int ncid, int varid, const char* attrName, int* data) |
---|
| 892 | { |
---|
| 893 | return nc_get_att_int(ncid, varid, attrName, data); |
---|
[525] | 894 | } |
---|
[498] | 895 | |
---|
[525] | 896 | template<> |
---|
[686] | 897 | int CNetCdfInterface::ncGetAttType(int ncid, int varid, const char* attrName, long* data) |
---|
| 898 | { |
---|
| 899 | return nc_get_att_long(ncid, varid, attrName, data); |
---|
| 900 | } |
---|
| 901 | |
---|
| 902 | template<> |
---|
| 903 | int CNetCdfInterface::ncGetAttType(int ncid, int varid, const char* attrName, short* data) |
---|
| 904 | { |
---|
| 905 | return nc_get_att_short(ncid, varid, attrName, data); |
---|
| 906 | } |
---|
| 907 | |
---|
| 908 | template<> |
---|
| 909 | int CNetCdfInterface::ncGetAttType(int ncid, int varid, const char* attrName, char* data) |
---|
| 910 | { |
---|
| 911 | return nc_get_att_text(ncid, varid, attrName, data); |
---|
| 912 | } |
---|
| 913 | |
---|
| 914 | // Some specializations of putAttributeType |
---|
| 915 | template<> |
---|
[525] | 916 | int CNetCdfInterface::ncPutAttType(int ncid, int varid, const char* attrName, |
---|
[686] | 917 | StdSize numVal, const double* data) |
---|
[525] | 918 | { |
---|
[686] | 919 | return nc_put_att_double(ncid, varid, attrName, NC_DOUBLE, numVal, data); |
---|
[525] | 920 | } |
---|
[498] | 921 | |
---|
[525] | 922 | template<> |
---|
| 923 | int CNetCdfInterface::ncPutAttType(int ncid, int varid, const char* attrName, |
---|
[686] | 924 | StdSize numVal, const float* data) |
---|
[525] | 925 | { |
---|
[686] | 926 | return nc_put_att_float(ncid, varid, attrName, NC_FLOAT, numVal, data); |
---|
[525] | 927 | } |
---|
[498] | 928 | |
---|
[525] | 929 | template<> |
---|
| 930 | int CNetCdfInterface::ncPutAttType(int ncid, int varid, const char* attrName, |
---|
[686] | 931 | StdSize numVal, const int* data) |
---|
[525] | 932 | { |
---|
[686] | 933 | return nc_put_att_int(ncid, varid, attrName, NC_INT, numVal, data); |
---|
[525] | 934 | } |
---|
[498] | 935 | |
---|
[525] | 936 | template<> |
---|
| 937 | int CNetCdfInterface::ncPutAttType(int ncid, int varid, const char* attrName, |
---|
[686] | 938 | StdSize numVal, const long* data) |
---|
[525] | 939 | { |
---|
[686] | 940 | return nc_put_att_long(ncid, varid, attrName, NC_LONG, numVal, data); |
---|
[525] | 941 | } |
---|
[498] | 942 | |
---|
[525] | 943 | template<> |
---|
| 944 | int CNetCdfInterface::ncPutAttType(int ncid, int varid, const char* attrName, |
---|
[686] | 945 | StdSize numVal, const short* data) |
---|
[525] | 946 | { |
---|
[686] | 947 | return nc_put_att_short(ncid, varid, attrName, NC_SHORT, numVal, data); |
---|
[525] | 948 | } |
---|
| 949 | |
---|
[686] | 950 | template<> |
---|
| 951 | int CNetCdfInterface::ncPutAttType(int ncid, int varid, const char* attrName, |
---|
| 952 | StdSize numVal, const char* data) |
---|
| 953 | { |
---|
| 954 | return nc_put_att_text(ncid, varid, attrName, numVal, data); |
---|
| 955 | } |
---|
[525] | 956 | |
---|
[686] | 957 | // Some specializations of getVariableType |
---|
[525] | 958 | template<> |
---|
[686] | 959 | int CNetCdfInterface::ncGetVaraType(int ncid, int varid, const StdSize* start, const StdSize* count, double* data) |
---|
[525] | 960 | { |
---|
[686] | 961 | return nc_get_vara_double(ncid, varid, start, count, data); |
---|
[525] | 962 | } |
---|
| 963 | |
---|
| 964 | template<> |
---|
[686] | 965 | int CNetCdfInterface::ncGetVaraType(int ncid, int varid, const StdSize* start, const StdSize* count, float* data) |
---|
[525] | 966 | { |
---|
[686] | 967 | return nc_get_vara_float(ncid, varid, start, count, data); |
---|
[525] | 968 | } |
---|
| 969 | |
---|
| 970 | template<> |
---|
[686] | 971 | int CNetCdfInterface::ncGetVaraType(int ncid, int varid, const StdSize* start, const StdSize* count, int* data) |
---|
[525] | 972 | { |
---|
[686] | 973 | return nc_get_vara_int(ncid, varid, start, count, data); |
---|
[525] | 974 | } |
---|
| 975 | |
---|
[1050] | 976 | template<> |
---|
| 977 | int CNetCdfInterface::ncGetVaraType(int ncid, int varid, const StdSize* start, const StdSize* count, char* data) |
---|
| 978 | { |
---|
| 979 | return nc_get_vara_text(ncid, varid, start, count, data); |
---|
| 980 | } |
---|
| 981 | |
---|
[686] | 982 | // Some specializations of putVariableType |
---|
| 983 | template<> |
---|
| 984 | int CNetCdfInterface::ncPutVaraType(int ncid, int varid, const StdSize* start, const StdSize* count, const double* data) |
---|
| 985 | { |
---|
| 986 | return nc_put_vara_double(ncid, varid, start, count, data); |
---|
| 987 | } |
---|
| 988 | |
---|
| 989 | template<> |
---|
| 990 | int CNetCdfInterface::ncPutVaraType(int ncid, int varid, const StdSize* start, const StdSize* count, const float* data) |
---|
| 991 | { |
---|
| 992 | return nc_put_vara_float(ncid, varid, start, count, data); |
---|
| 993 | } |
---|
| 994 | |
---|
| 995 | template<> |
---|
| 996 | int CNetCdfInterface::ncPutVaraType(int ncid, int varid, const StdSize* start, const StdSize* count, const int* data) |
---|
| 997 | { |
---|
| 998 | return nc_put_vara_int(ncid, varid, start, count, data); |
---|
| 999 | } |
---|
| 1000 | |
---|
[1050] | 1001 | template<> |
---|
| 1002 | int CNetCdfInterface::ncPutVaraType(int ncid, int varid, const StdSize* start, const StdSize* count, const char* data) |
---|
| 1003 | { |
---|
| 1004 | return nc_put_vara_text(ncid, varid, start, count, data); |
---|
| 1005 | } |
---|
| 1006 | |
---|
[525] | 1007 | /*! |
---|
| 1008 | This function verifies an existence of a variable by using its name. |
---|
| 1009 | Be careful, althoug false means variable doens't exist, it could show that netCDF file doesn't either |
---|
| 1010 | \param [in] ncid Id of groupd(or File Id) |
---|
| 1011 | \param [in] attrName Name of the variable |
---|
| 1012 | \return Existence of variable |
---|
| 1013 | */ |
---|
| 1014 | bool CNetCdfInterface::isVarExisted(int ncId, const StdString& varName) |
---|
| 1015 | { |
---|
| 1016 | int varId = 0; |
---|
| 1017 | return (NC_NOERR == (nc_inq_varid(ncId, varName.c_str(), &varId))); |
---|
| 1018 | } |
---|
| 1019 | |
---|
[811] | 1020 | bool CNetCdfInterface::isDimExisted(int ncId, const StdString& dimName) |
---|
| 1021 | { |
---|
| 1022 | int dimId = 0; |
---|
| 1023 | return (NC_NOERR == (nc_inq_dimid(ncId, dimName.c_str(), &dimId))); |
---|
| 1024 | } |
---|
| 1025 | |
---|
[525] | 1026 | StdString CNetCdfInterface::openMode2String(int oMode) |
---|
| 1027 | { |
---|
| 1028 | StdString modeMes; |
---|
| 1029 | switch (oMode) |
---|
[498] | 1030 | { |
---|
[525] | 1031 | case NC_NOWRITE: |
---|
[686] | 1032 | modeMes = StdString("NC_NOWRITE: Opening netCDF file with read-only access with buffering and caching access"); |
---|
[525] | 1033 | break; |
---|
| 1034 | case NC_SHARE: |
---|
[686] | 1035 | modeMes = StdString("NC_SHARE: Several processes can read the file concurrently"); |
---|
[525] | 1036 | break; |
---|
| 1037 | case NC_WRITE: |
---|
[686] | 1038 | modeMes = StdString("NC_WRITE: NetCDF file is readable and writable"); |
---|
[525] | 1039 | break; |
---|
| 1040 | default: |
---|
| 1041 | modeMes = StdString("In the composed opening mode"); |
---|
| 1042 | break; |
---|
[578] | 1043 | } |
---|
[525] | 1044 | return modeMes; |
---|
| 1045 | } |
---|
[498] | 1046 | |
---|
[525] | 1047 | StdString CNetCdfInterface::creationMode2String(int cMode) |
---|
| 1048 | { |
---|
| 1049 | StdString modeMes; |
---|
| 1050 | switch (cMode) |
---|
[498] | 1051 | { |
---|
[525] | 1052 | case NC_NOCLOBBER: |
---|
[686] | 1053 | modeMes = StdString("NC_NOCLOBBER: Not overwrite an exisiting netCDF file "); |
---|
[525] | 1054 | break; |
---|
| 1055 | case NC_SHARE: |
---|
[686] | 1056 | modeMes = StdString("NC_SHARE: Several processes can read from and write into the file concurrently"); |
---|
[525] | 1057 | break; |
---|
| 1058 | case NC_64BIT_OFFSET: |
---|
[686] | 1059 | modeMes = StdString("NC_64BIT_OFFSET: NetCDF file is 64-bit offset"); |
---|
[525] | 1060 | break; |
---|
| 1061 | case NC_NETCDF4: |
---|
[686] | 1062 | modeMes = StdString("NC_NETCDF4: NetCDF file is HDF5/NetCDF-4"); |
---|
[525] | 1063 | break; |
---|
| 1064 | case NC_CLASSIC_MODEL: |
---|
[686] | 1065 | modeMes = StdString("NC_CLASSIC_MODEL: NetCDF file is classical model"); |
---|
[525] | 1066 | break; |
---|
| 1067 | default: |
---|
| 1068 | modeMes = StdString("In the composed creation mode"); |
---|
| 1069 | break; |
---|
[578] | 1070 | } |
---|
[525] | 1071 | return modeMes; |
---|
| 1072 | } |
---|
[498] | 1073 | |
---|
[525] | 1074 | } |
---|