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1 | [/============================================================================ |
2 | Boost.Geometry (aka GGL, Generic Geometry Library) | |
3 | ||
4 | Copyright (c) 2009-2014 Barend Gehrels, Amsterdam, the Netherlands. | |
5 | Copyright (c) 2009-2014 Mateusz Loskot, London, UK. | |
6 | Copyright (c) 2009-2014 Bruno Lalande, Paris, France. | |
7 | ||
8 | This file was modified by Oracle on 2014. | |
9 | Modifications copyright (c) 2014, Oracle and/or its affiliates. | |
10 | ||
11 | Contributed and/or modified by Menelaos Karavelas, on behalf of Oracle | |
12 | ||
13 | Use, modification and distribution is subject to the Boost Software License, | |
14 | Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at | |
15 | http://www.boost.org/LICENSE_1_0.txt) | |
16 | =============================================================================/] | |
17 | ||
18 | [def __this_function__ union] | |
19 | ||
20 | [heading_conformance_ogc __this_function__..Union] | |
21 | [note __boost_geometry__ adds an underscore to avoid using the `union` keyword] | |
22 | ||
23 | [heading Behavior] | |
24 | [table | |
25 | [[Case] [Behavior] ] | |
26 | [[[qbk_out __point__]][Calculates union linestrings of input (multi)points]] | |
27 | [[[qbk_out __linestring__]][Calculates union linestrings of input (multi)linestrings]] | |
28 | [[[qbk_out __polygon__]][Calculates union polygons of input (multi)polygons and/or boxes]] | |
29 | ] | |
30 | ||
31 | [include reference/algorithms/geometry_rules.qbk] | |
32 | ||
33 | [heading Example] | |
34 | [union] | |
35 | [union_output] | |
36 | ||
37 | [heading See also] | |
38 | * [link geometry.reference.algorithms.intersection intersection] | |
39 | * [link geometry.reference.algorithms.difference difference] | |
40 | * [link geometry.reference.algorithms.sym_difference sym_difference (symmetric difference)] |