PROCEDURE iug_init :DESCRIPTION: Initialize the environment for loading IUGONET data :NOTE: This procedure is called automatically on executing most of iugonet_*.pro. :Examples: iug_init if !iugonet.data_policy.ear then iug_load_ear, ..... if ~(iugonet.data_policy.sdfit) then begin print, 'Data is not loaded unless you acknowledge the data policy!' return endif :AUTHOR: Tomo Hori (E-mail: horit@stelab.nagoya-u.ac.jp) :HISTORY: 2011/12/21: Created