forked from openkylin/shapelib
79 lines
3.4 KiB
HTML
79 lines
3.4 KiB
HTML
<html>
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<head>
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<title>Shapelib License</title>
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<link href="maptools.css" rel="stylesheet" type="text/css">
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</head>
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<body>
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<h1>License</h1>
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The source for the Shapefile C Library is (c) 1998 Frank Warmerdam,
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and released under the following conditions. The intent is that anyone
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can do anything with the code, but that I do not assume any liability, nor
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express any warranty for this code. <p>
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As of Shapelib 1.2.6 the core portions of the library are made available
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under two possible licenses. The licensee can choose to use the code
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under either the Library GNU Public License (LGPL) described in
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COPYING or under the following MIT style license. Any files in
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the Shapelib distribution without explicit copyright license terms
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(such as this documentation, the Makefile and so forth) should be
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considered to have the following licensing terms. Some auxilary portions
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of Shapelib, notably some of the components in the contrib directory
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come under slightly different license restrictions. Check the source
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files that you are actually using for conditions.<p>
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<h3>Default License Terms</h3>
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<quote>
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Copyright (c) 1999, Frank Warmerdam<p>
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This software is available under the following "MIT Style" license,
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or at the option of the licensee under the LGPL (see COPYING). This
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option is discussed in more detail in shapelib.html.<p>
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Permission is hereby granted, free of charge, to any person obtaining a
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copy of this software and associated documentation files (the "Software"),
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to deal in the Software without restriction, including without limitation
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the rights to use, copy, modify, merge, publish, distribute, sublicense,
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and/or sell copies of the Software, and to permit persons to whom the
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Software is furnished to do so, subject to the following conditions:<p>
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The above copyright notice and this permission notice shall be included
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in all copies or substantial portions of the Software.<p>
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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DEALINGS IN THE SOFTWARE.<p>
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</quote>
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<h3>Shapelib Modifications</h3>
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I am pleased to receive bug fixes, and improvements for Shapelib. Unless
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the submissions indicate otherwise I will assume that changes submitted to
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me remain under the the above "dual license" terms. If changes are made
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to the library with the intention that those changes should be protected by
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the LGPL then I should be informed upon submission. Note that I will not
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generally incorporate changes into the core of Shapelib that are protected
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under the LGPL as this would effectively limit the whole file and
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distribution to LGPL terms.<p>
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<h3>Opting for LGPL</h3>
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For licensee's opting to use Shapelib under LGPL as opposed to the MIT
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Style license above, and wishing to redistribute the software based on
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Shapelib, I would ask that all "dual license" modules be updated to
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indicate that only the LGPL (and not the MIT Style license) applies. This
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action represents opting for the LGPL, and thereafter LGPL terms apply to
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any redistribution and modification of the affected modules.<p>
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</body>
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</html>
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