oding ▁and ▁encoding ▁data ▁in ▁G RI B   1 ▁format ▁ ▁N CE P ▁codes ▁free ▁software ▁( C ▁and ▁FOR TRAN ▁library ) ▁for ▁dec oding ▁and ▁encoding ▁data ▁in ▁G RI B   2 ▁format ▁( some ▁template ▁only ) ▁ ▁J G rib ▁- ▁J g rib ▁is ▁a ▁free ▁library ▁for ▁reading ▁G RI B ▁files ▁in ▁Java . ▁ ▁M ete os at lib ▁- ▁M ete os at lib ▁is ▁a ▁free ▁software ▁C ++ ▁library ▁and ▁set ▁of ▁tools ▁to ▁convert ▁satellite ▁images ▁between ▁various ▁formats ; ▁it ▁can ▁read ▁and ▁write ▁G RI B ▁data , ▁and ▁its ▁G RI B ▁encoding / dec oding ▁library ▁can ▁be ▁used ▁stand alone . ▁ ▁Mathemat ica , ▁a ▁general ▁mathematical , ▁statistical , ▁and ▁presentation ▁application ▁directly ▁handles ▁G RI B ▁files ▁and ▁can ▁map ▁them ▁with ▁many ▁pro jections ▁ ▁The ▁NC AR ▁Command ▁Language ▁can ▁be ▁used ▁to ▁read , ▁analyze ▁and ▁visual ize ▁G RI B ▁data , ▁as ▁well ▁convert ▁it ▁to ▁other ▁gr idd ed ▁data ▁formats . ▁ ▁Py N IO ▁is ▁a ▁Python ▁programming ▁language ▁module ▁that ▁allows ▁read ▁and / or ▁write ▁access ▁to ▁a ▁variety ▁of ▁data ▁formats ▁using ▁an ▁interface ▁model led ▁on ▁net C DF . ▁ ▁deg rib ▁( AK A ▁N DF D ▁G RI B 2 ▁Dec oder ) ▁is ▁a ▁reader ▁for ▁G RI B   1 ▁and ▁G RI B   2 ▁files . ▁ ▁w g rib 2