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[geometry] Buffer update, added buffer support for multi_linestring, and the number of steps for round buffers can be specified (both requests of John Lilley)

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[SVN r83243]
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Barend Gehrels
2013-03-02 14:30:50 +00:00
parent 9808bf8b45
commit 59ab90e79e
8 changed files with 286 additions and 17 deletions
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48
test_extensions/algorithms/buffer/multi_linestring_buffer.cpp Normal file
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// Boost.Geometry (aka GGL, Generic Geometry Library)
// Unit Test
// Copyright (c) 2010-2012 Barend Gehrels, Amsterdam, the Netherlands.
// 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)
//#define BOOST_GEOMETRY_DEBUG_WITH_MAPPER
//#define BOOST_GEOMETRY_DEBUG_ASSEMBLE
//#define BOOST_GEOMETRY_DEBUG_IDENTIFIER
#include <geometry_test_common.hpp>
#include <test_buffer.hpp>
#include <boost/geometry/multi/multi.hpp> // TODO: more specific
#include <boost/geometry/multi/geometries/multi_geometries.hpp>
#include <boost/geometry/extensions/algorithms/buffer/multi_buffer_inserter.hpp>
static std::string const simplex = "MULTILINESTRING((0 0,4 5),(5 4,10 0))";
static std::string const two_bends = "MULTILINESTRING((0 0,4 5,7 4,10 6),(1 5,5 9,8 6))";
template <typename P>
void test_all()
{
namespace buf = bg::strategy::buffer;
typedef bg::model::linestring<P> linestring;
typedef bg::model::multi_linestring<linestring> multi_linestring_type;
typedef bg::model::polygon<P> polygon;
test_one<multi_linestring_type, buf::join_round, polygon>("simplex", simplex, 'r', 38.2623, 1.5, 1.5);
test_one<multi_linestring_type, buf::join_round, polygon>("two_bends", two_bends, 'r', 64.6217, 1.5, 1.5);
test_one<multi_linestring_type, buf::join_miter, polygon>("two_bends", two_bends, 'm', 65.1834, 1.5, 1.5);
test_one<multi_linestring_type, buf::join_round, polygon>("two_bends_asym", two_bends, 'm', 52.3793, 1.5, 0.75);
}
int test_main(int, char* [])
{
test_all<bg::model::point<double, 2, bg::cs::cartesian> >();
return 0;
}