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  GHelm

  OpenGL/Gtk S57 Nautical Chart Viewer

General Information
===================

GHelm is a cross-platform OpenGL/Gtk S57 nautical chart viewer.

The official web site is:
  http://ghelm.sourceforge.net/

Licensing
=========

GHelm is released under the terms of the GNU General Public License (GNU GPL)
version 2.

Supported Platforms
===================

Currently GHelm supports

  * UNIX and UNIX-like platforms
      Tested under Linux.

Requirements
============

  * GNU C++ compiler

  * SCons (http://www.scons.org)

  * Boost::Filesystem (http:://www.boost.org)

  * libxml2 (http://www.xmlsoft.org)

  * GtkGLExtmm (http://gtkglext.sourceforge.net/)

  * GtkGLExt (http://gtkglext.sourceforge.net/)

  * gtkmm 2 (http://gtkmm.sourceforge.net/)

  * GTK 2 (http://www.gtk.org/)

  * OpenGL or Mesa (http://www.mesa3d.org/)

Installation
============

To build run:
    scons

The ghelm binary will be created in ./src

Use
===
You will need to have a ENC_ROOT directory with a corresponding catalog file.
The first time you run GHelm you will be prompted for this catalog file.
Charts are available from www.noaa.gov

Contact
=======

  Jon Michaelchuck <[e-mail]>