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MB-SYSTEM COPYRIGHT, LICENSING AND CAVEAT:

This file contains the copyright and licensing terms for the MB-System open source software package for the processing and display of swath sonar data. This file is located at the top of the MB-System source code distribution directory structure.

Last Updated January 16, 2020

MB-System Copyright (C) 1993-2020 by

David W. Caress ([email protected]) Monterey Bay Aquarium Research Institute Moss Landing, CA 95039

Dale N. Chayes ([email protected]) Center for Coastal & Ocean Mapping/Joint Hydrographic Center University of New Hampshire Durham, New Hampshire 03824

All Rights Reserved

The MB-System source code is distributed under the GNU General Public License, version 3, as formulated by the GNU Project. Early MB-System distributions were described as "public domain", which meant there was no restriction whatsoever on the use of the code. For over a decade we have adopted the more restrictive GNU GPL license in order to insure that anyone who distributes software based in whole or in part on MB-System also distributes their modified MB-System source code and any additional source code.

The file "GPL.md", also located at the top of the MB-System source code distribution directory structure, contains the text of the GNU GPL version 3. This text and associated explanations are available at the GNU Project website https://www.gnu.org/licenses/gpl-3.0.en.html

The MB-System distribution includes some source code derived from packages that are distributed separately and have been authored by programmers other than the MB-System team. This includes:

  • The Generic Sensor Format (GSF) library source located in mbsystem/src/gsf. The GSF package is maintained and distributed by Leidos Corporation under contract to the United States Naval Oceanographic Office. The current GSF source distribution is made available by Leidos at https://www.leidos.com/products/ocean-marine#gsf using the LGPLv2.1 license.
  • The SURF API (SAPI) library source located in mbsystem/src/surf. The SAPI package was released under the GNU General Public License by Atlas Hydrographic in 2001.
  • The MR1PR library source located in mbsystem/src/mr1pr. This package was openly released by primary author Roger Davis of the Hawaii Mapping Research Group in 2000.
  • The mb_mergesort() function found in mbsystem/src/mbio/mb_esf.c derives from the GNU-Darwin Distribution. This code is released under both the Apple Public Source License Version 1.1 and the BSD license, with original copyright by the Regents of the University of California.

The MB-System does not come with any warranties, nor is it guaranteed to work on your computer or to do anything useful. The user assumes full responsibility for the use of this system. In particular, David W. Caress, Dale N. Chayes, the Monterey Bay Aquarium Research Institute, the Lamont-Doherty Earth Observatory of Columbia University, or any other individuals or organizations involved in the design and maintenance of the MB-System software package are NOT responsible for any damage that may follow from correct or incorrect use of these programs.