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