netcdf.inqVarIDs

Return IDs of all variables in group

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Syntax

varids = netcdf.inqVarIDs(ncid)

Description

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

example

Examples

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Get IDs of Variables in Group

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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`ncid` — NetCDF file or group identifier
nonnegative integer scalar

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