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netcdf.inqVarIDs

Return IDs of all variables in group

    Description

    example

    varids = netcdf.inqVarIDs(ncid) returns the IDs of all the variables in the file or group specified by ncid.

    Examples

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    Open the sample netCDF file, and get the IDs of all the variables in a group. In this case, the specified group contains one variable with an ID of 0.

    ncid = netcdf.open("example.nc","NOWRITE");
    gid = netcdf.inqNcid(ncid,"grid1");
    varids = netcdf.inqVarIDs(gid)
    
    varids =
    
         0
    

    Close the netCDF file.

    netcdf.close(ncid)
    

    Input Arguments

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    NetCDF file or group identifier, specified as a nonnegative integer scalar. You can use the netcdf.create or netcdf.open function to return a file identifier. You can use the netcdf.defGrp function to return a group identifier.

    Data Types: double

    Tips

    • This function corresponds to the nc_inq_varids function in the netCDF library C API.

    Version History

    Introduced in R2010b