This file contains quick installation instructions for the nagg tool.

1. Make sure HDF5 version 1.8.5 or later is installed on your system.
   Source code or binaries can be downloaded from 
   http://www.hdfgroup.org/HDF5/release/obtain5.html

2. Download High-Level library for handling object and region references
   from ftp://ftp.hdfgroup.uiuc.edu/pub/outgoing/NPOESS/source/NAGG/hdf5_HL_REGION-1.1.1.tar

3. Build and install High-Level library above by following instructions in the README.txt
   file found in the top directory of the source distribution. 

   Here are the quick instructions:
        tar -xvf hdf5_HL_REGION-1.1.1.tar
        cd hdf5_HL_REGION-1.1.1
        setenv HDF5_INSTALL_DIR /path_to_installed_HDF5
        gmake
        gmake tests
        gmake install PREFIX=/<HLPATH>, where <HLPATH> is a full path where to install hdf5_hl_region library.

4. Download nagg source from ftp://ftp.hdfgroup.uiuc.edu/pub/outgoing/NPOESS/source/NAGG/nagg-0.0.1.tar

5. Build nagg tool by following instructions in the doc/INSTALL file.
  
   Here are the quick instructions:
        tar -xvf nagg-0.0.1.tar
        cd nagg-0.0.1
        IMPORTANT: Make sure you have h5cc in your path; 
                   h5cc can be found in the bin subdirectory of the HDF5 installation directory
        ./configure --with-hlregion=/<HLPATH>
        gmake 
        gmake check
        gmake install
 
6. nagg binary should be in the nagg/bin directory.

7. For questions or bug reports send email to lrknox (acheng, epourmal) at hdfgroup dot org 


December 21, 2011