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Getting Started

NCL is a free interpreted computer language (like IDL,MatLab), developed at NCAR.It runs on many flavors of UNIX, Mac OSX, and Windows within a UNIX emulator shell.

  1. NCL is already available on the SCD supercomputers, and the HAO network. If you want a personal copy for a laptop or other system, you can Download NCL after filling in a brief form.

  2. You must put the following code in your .cshrc file in order to "see" NCL:

    • On DAVE and Dataproc:
      setenv NCARG_ROOT /contrib

    • On HAO:
      setenv NCARG_ROOT /opt/local

    • On Both: set path = ($path $NCARG_ROOT/bin)

  3. You must put the following code in your .cshrc file in order to "see" the HAO NCL libraries:

    • On DAVE and Dataproc:
      setenv TGCMROOT /fs/projects/tgcm
      setenv HAO_NCL_LIB $TGCMROOT/ncl/lib

    • On HAO:
      setenv TGCMROOT /home/tgcm
      setenv HAO_NCL_LIB $TGCMROOT/ncl/web_ex/func_lib/

  4. You should have a .hluresfile in every home directory of every machine on which you run NCL.