COPYRIGHT.TXT

RTK is copyrighted software.

  Copyright (c) 2010-2012 RTK consortium
  All rights reserved

  You can freely use and distribute RTK under an Apache 2.0 license.
  See LICENSE.TXT for details

------------------------------------------------------------------------
Some code is modified from plastimatch.org:
- hnd_io.c in itkHndImageIO.cxx
- fdk_cuda.cu in itkCudaFDKBackProjectionImageFilter.cu

Plastimatch Software License ("Software License") Version 1.0

This Software License covers downloads from the Plastimatch project
("Plastimatch") maintained by The General Hospital Corporation
Inc. ("MGH").

Your downloading, copying, modifying, displaying, distributing or use
of any software and/or data from Plastimatch (collectively, the
"Software") constitutes acceptance of all of the terms and conditions
of this Software License.  If you do not agree to such terms and
conditions, you have no right to download, copy, modify, display,
distribute or use the Software.


1. As used in this Software License, "you" means the individual
   downloading and/or using, reproducing, modifying, displaying and/or
   distributing the Software and the institution or entity which
   employs or is otherwise affiliated with such individual in
   connection therewith.  The MGH hereby grants you, with right to
   sublicense, with respect to MGH's rights in the software, and data,
   if any, which is the subject of this Software License
   (collectively, the "Software"), a royalty-free, non-exclusive
   license to use, reproduce, make derivative works of, display and
   distribute the Software, provided that:

   (a) you accept and adhere to all of the terms and conditions of
   this Software License;

   (b) in connection with any copy of or sublicense of all or any
   portion of the Software, all of the terms and conditions in this
   Software License shall appear in and shall apply to such copy and
   such sublicense, including without limitation all source and
   executable forms and on any user documentation, prefaced with the
   following words: "All or portions of this licensed product (such
   portions are the "Software") have been obtained under license from
   MGH and are subject to the following terms and conditions:"

   (c) you preserve and maintain all applicable attributions,
   copyright notices and licenses included in or applicable to the
   Software;

   (d) modified versions of the Software must be clearly identified
   and marked as such, and must not be misrepresented as being the
   original Software; and

   (e) you consider making, but are under no obligation to make, the
   source code of any of your modifications to the Software freely
   available to others on an open source basis.

2. The license granted under this Software License includes without
   limitation the right to (i) incorporate the Software into
   proprietary programs (subject to any restrictions applicable to
   such programs), (ii) add your own copyright statement to your
   modifications of the Software, and (iii) provide additional or
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   modifications of the Software; provided that in each case your use,
   reproduction or distribution of such modifications otherwise
   complies with the conditions stated in this Software License.

3. This Software License does not grant any rights with respect to
   third party software, except those rights that MGH has been
   authorized by a third party to grant to you, and accordingly you
   are solely responsible for (i) obtaining any permissions from third
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4. The Software has been designed for research purposes only and has
   not been reviewed or approved by the Food and Drug Administration
   or by any other agency.  YOU ACKNOWLEDGE AND AGREE THAT CLINICAL
   APPLICATIONS ARE NEITHER RECOMMENDED NOR ADVISED.  Any
   commercialization of the Software is at the sole risk of the party
   or parties engaged in such commercialization.  You further agree to
   use, reproduce, make derivative works of, display and distribute
   the Software in compliance with all applicable governmental laws,
   regulations and orders, including without limitation those relating
   to export and import control.

5. The Software is provided "AS IS" and neither MGH nor any
   contributor to the software (each a "Contributor") shall have any
   obligation to provide maintenance, support, updates, enhancements
   or modifications thereto.  MGH AND ALL CONTRIBUTORS SPECIFICALLY
   DISCLAIM ALL EXPRESS AND IMPLIED WARRANTIES OF ANY KIND INCLUDING,
   BUT NOT LIMITED TO, ANY WARRANTIES OF MERCHANTABILITY, FITNESS FOR
   A PARTICULAR PURPOSE AND NON-INFRINGEMENT.  IN NO EVENT SHALL MGH
   OR ANY CONTRIBUTOR BE LIABLE TO ANY PARTY FOR DIRECT, INDIRECT,
   SPECIAL, INCIDENTAL, EXEMPLARY OR CONSEQUENTIAL DAMAGES HOWEVER
   CAUSED AND ON ANY THEORY OF LIABILITY ARISING IN ANY WAY RELATED TO
   THE SOFTWARE, EVEN IF MGH OR ANY CONTRIBUTOR HAS BEEN ADVISED OF
   THE POSSIBILITY OF SUCH DAMAGES.  TO THE MAXIMUM EXTENT NOT
   PROHIBITED BY LAW OR REGULATION, YOU FURTHER ASSUME ALL LIABILITY
   FOR YOUR USE, REPRODUCTION, MAKING OF DERIVATIVE WORKS, DISPLAY,
   LICENSE OR DISTRIBUTION OF THE SOFTWARE AND AGREE TO INDEMNIFY AND
   HOLD HARMLESS MGH AND ALL CONTRIBUTORS FROM AND AGAINST ANY AND ALL
   CLAIMS, SUITS, ACTIONS, DEMANDS AND JUDGMENTS ARISING THEREFROM.

6. None of the names, logos or trademarks of MGH or any of MGH's
   affiliates or any of the Contributors, or any funding agency, may
   be used to endorse or promote products produced in whole or in part
   by operation of the Software or derived from or based on the
   Software without specific prior written permission from the
   applicable party.

7. Any use, reproduction or distribution of the Software which is not
   in accordance with this Software License shall automatically revoke
   all rights granted to you under this Software License and render
   Paragraphs 1 and 2 of this Software License null and void.

8. This Software License does not grant any rights in or to any
   intellectual property owned by MGH or any Contributor except those
   rights expressly granted hereunder.

------------------------------------------------------------------------
gengetopt code has been taken from git://git.sv.gnu.org/gengetopt.git 
tag rel_2_22_4


gengetopt - generate a C function that uses getopt_long
to parse command line arguments

Copyright (C) 1999, 2011, 2012, 2013-2007, Free Software Foundation, Inc.

This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.

Use of gengetopt does not impose any particular license on the
generated code.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

The included file 'COPYING' is a copy of the GNU General Public License.

------------------------------------------------------------------------
itkBinShrinkImageFilter has been taken from http://hdl.handle.net/10380/3450
It uses the same Apache 2.0 license as RTK

------------------------------------------------------------------------
itkImageScanlineConstIterator has been taken from ITK 4.5.0
It uses the same Apache 2.0 license as RTK

------------------------------------------------------------------------
Some code is modified (a lot) from GIFT, the Generalized Image Fusion Toolkit
(http://hdl.handle.net/1926/216)
- rtkDaubechiesWaveletsKernelSource.h
- rtkDaubechiesWaveletsKernelSource.txx
- rtkDeconstructImageFilter.h
- rtkDeconstructImageFilter.txx
- rtkReconstructImageFilter.h
- rtkReconstructImageFilter.txx
- rtkDownsampleImageFilter.h
- rtkDownsampleImageFilter.txx
- rtkUpsampleImageFilter.h
- rtkUpsampleImageFilter.txx

------------------------------------------------------------------------
Some code is modified from http://sourceforge.net/projects/niftyrec/:
- tt_project_ray_gpu_kernels.cu in rtkCudaForwardProjectionImageFilter.h 

                      NIFTYREC TOMOGRAPHY TOOLBOX                       

Copyright (c) 2009-2013, University College London, United-Kingdom. 
All rights reserved. 

Redistribution and use in source and binary forms, with or without modification,
are permitted provided that the following conditions are met:

Redistributions of source code must retain the above copyright notice,
this list of conditions and the following disclaimer.
Redistributions in binary form must reproduce the above copyright notice,
this list of conditions and the following disclaimer in the documentation
and/or other materials provided with the distribution.

Neither the name of the University College London nor the names of its
contributors may be used to endorse or promote products derived from
this software without specific prior written permission. 

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
THE POSSIBILITY OF SUCH DAMAGE.