Class: NCObject

Inherits:
Object
  • Object
show all
Includes:
NC
Defined in:
lib/io/netcdf.rb

Direct Known Subclasses

NCDim, NCFile, NCVar

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from NC

nc_decode, nc_put_att_simple, nc_put_var_all

Instance Attribute Details

#attributes ⇒ Object (readonly)

Returns the value of attribute attributes.



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# File 'lib/io/netcdf.rb', line 81

def attributes
  @attributes
end

Instance Method Details

#attribute(name) ⇒ Object 



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# File 'lib/io/netcdf.rb', line 77

def attribute (name)
  return @attributes[name]
end

#get_attributes(file_id, var_id) ⇒ Object 



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# File 'lib/io/netcdf.rb', line 47

def get_attributes (file_id, var_id)
  attrs = {}
  varnatts = nc_inq_varnatts(file_id, var_id)
  varnatts.times do |i|
    attname = nc_inq_attname(file_id, var_id, i)
    value   = nc_get_att(file_id, var_id, attname) 
    attrs[attname] = value
  end
  return attrs.freeze
end

#get_attributes!(file_id, var_id) ⇒ Object 



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# File 'lib/io/netcdf.rb', line 58

def get_attributes! (file_id, var_id)
  attrs = {}
  varnatts = nc_inq_varnatts(file_id, var_id)
  varnatts.times do |i|
    attname = nc_inq_attname(file_id, var_id, i)
    type    = nc_inq_atttype(file_id, var_id, attname)
    case type
    when NC_CHAR
      value = nc_get_att(file_id, var_id, attname) 
    else
      len   = nc_inq_attlen(file_id, var_id, attname)
      value = CArray.new(NC.ca_type(type), [len])
      nc_get_att(file_id, var_id, attname, value)         
    end
    attrs[attname] = value
  end
  return attrs.freeze
end