NetCDF attributes — nc

Variable attributes are number 0:(n-1). Global attributes are indexed by -1 or the label "NC_GLOBAL".

nc_att(x, variable, attribute, ...)

# S3 method for NetCDF
nc_att(x, variable, attribute, ...)

# S3 method for character
nc_att(x, variable, attribute, ...)

Arguments

x: or file handle
variable: name or index (zero based) of variable
attribute: name or index (zero based) of attribute
...: ignored

Value

data frame of attribute with numeric id, character attribute name, character or numeric variable id or name depending on input, and attribute value.

Details

nc_inq includes the number of global attributes nc_vars includes the number of variable attributes

Examples

f <- system.file("extdata", "S2008001.L3m_DAY_CHL_chlor_a_9km.nc", package = "ncmeta")
nc_att(f, 0, 0)
#> # A tibble: 1 × 4
#>      id name      variable value       
#>   <int> <chr>        <dbl> <named list>
#> 1     0 long_name        0 <chr [1]>