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- [/============================================================================
- Boost.Geometry (aka GGL, Generic Geometry Library)
- Copyright (c) 2009-2014 Barend Gehrels, Amsterdam, the Netherlands.
- Copyright (c) 2009-2014 Mateusz Loskot, London, UK.
- Copyright (c) 2009-2014 Bruno Lalande, Paris, France.
- This file was modified by Oracle on 2014.
- Modifications copyright (c) 2014, Oracle and/or its affiliates.
- Contributed and/or modified by Menelaos Karavelas, on behalf of Oracle
- Use, modification and distribution is subject to the Boost Software License,
- Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
- http://www.boost.org/LICENSE_1_0.txt)
- =============================================================================/]
- [def __this_function__ union]
- [heading_conformance_ogc __this_function__..Union]
- [note __boost_geometry__ adds an underscore to avoid using the `union` keyword]
- [heading Behavior]
- [table
- [[Case] [Behavior] ]
- [[[qbk_out __point__]][Calculates union linestrings of input (multi)points]]
- [[[qbk_out __linestring__]][Calculates union linestrings of input (multi)linestrings]]
- [[[qbk_out __polygon__]][Calculates union polygons of input (multi)polygons and/or boxes]]
- ]
- [include reference/algorithms/geometry_rules.qbk]
- [heading Example]
- [union]
- [union_output]
- [heading See also]
- * [link geometry.reference.algorithms.intersection intersection]
- * [link geometry.reference.algorithms.difference difference]
- * [link geometry.reference.algorithms.sym_difference sym_difference (symmetric difference)]
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