geometry/test/algorithms/assign.cpp

327 lines
10 KiB
C++

// Boost.Geometry (aka GGL, Generic Geometry Library)
// Unit Test
// Copyright (c) 2007-2012 Barend Gehrels, Amsterdam, the Netherlands.
// Copyright (c) 2008-2012 Bruno Lalande, Paris, France.
// Copyright (c) 2009-2012 Mateusz Loskot, London, UK.
// Copyright (c) 2014 Samuel Debionne, Grenoble, France.
// Parts of Boost.Geometry are redesigned from Geodan's Geographic Library
// (geolib/GGL), copyright (c) 1995-2010 Geodan, 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)
#include <geometry_test_common.hpp>
#include <boost/geometry/arithmetic/arithmetic.hpp>
#include <boost/geometry/algorithms/assign.hpp>
#include <boost/geometry/algorithms/num_points.hpp>
#include <boost/geometry/geometries/geometries.hpp>
#include <boost/geometry/geometries/adapted/c_array.hpp>
#include <boost/geometry/geometries/adapted/boost_tuple.hpp>
#include <boost/geometry/io/wkt/wkt.hpp>
#include <boost/variant/variant.hpp>
#include <test_common/test_point.hpp>
BOOST_GEOMETRY_REGISTER_C_ARRAY_CS(cs::cartesian)
BOOST_GEOMETRY_REGISTER_BOOST_TUPLE_CS(cs::cartesian)
template <typename Geometry>
void check_geometry(Geometry const& geometry, std::string const& expected)
{
std::ostringstream out;
out << bg::wkt(geometry);
BOOST_CHECK_EQUAL(out.str(), expected);
}
template <typename Geometry, typename Points>
void check_assign_points(Points const& points, std::string const& /*expected*/)
{
Geometry geometry;
bg::assign_points(geometry, points);
check_geometry(geometry, "LINESTRING(1 2,3 4,5 6)");
boost::variant<Geometry> v;
bg::assign_points(v, points);
}
template <typename Point>
void test_assign_linestring_2d()
{
bg::model::linestring<Point> line;
// Test assignment of plain array (note that this is only possible if adapted c-array is included!)
const double coors[3][2] = { {1, 2}, {3, 4}, {5, 6} };
check_assign_points<bg::model::linestring<Point> >(coors, "LINESTRING(1 2,3 4,5 6)");
// Test assignment of point array
Point points[3];
bg::assign_values(points[0], 1, 2);
bg::assign_values(points[1], 3, 4);
bg::assign_values(points[2], 5, 6);
check_assign_points<bg::model::linestring<Point> >(points, "LINESTRING(1 2,3 4,5 6)");
// Test assignment of array with different point-type (tuple adaption should be included)
boost::tuple<float, float> tuples[3];
tuples[0] = boost::make_tuple(1, 2);
tuples[1] = boost::make_tuple(3, 4);
tuples[2] = boost::make_tuple(5, 6);
check_assign_points<bg::model::linestring<Point> >(tuples, "LINESTRING(1 2,3 4,5 6)");
}
namespace detail
{
template <typename BoxOrSegment>
void test_assign_box_or_segment_2d()
{
BoxOrSegment geometry;
bg::assign_values(geometry, 1, 2, 3, 4);
BOOST_CHECK((bg::get<bg::min_corner, 0>(geometry) == 1));
BOOST_CHECK((bg::get<bg::min_corner, 1>(geometry) == 2));
BOOST_CHECK((bg::get<bg::max_corner, 0>(geometry) == 3));
BOOST_CHECK((bg::get<bg::max_corner, 1>(geometry) == 4));
bg::assign_zero(geometry);
BOOST_CHECK((bg::get<bg::min_corner, 0>(geometry) == 0));
BOOST_CHECK((bg::get<bg::min_corner, 1>(geometry) == 0));
BOOST_CHECK((bg::get<bg::max_corner, 0>(geometry) == 0));
BOOST_CHECK((bg::get<bg::max_corner, 1>(geometry) == 0));
bg::assign_inverse(geometry);
BOOST_CHECK((bg::get<bg::min_corner, 0>(geometry) > 9999));
BOOST_CHECK((bg::get<bg::min_corner, 1>(geometry) > 9999));
BOOST_CHECK((bg::get<bg::max_corner, 0>(geometry) < 9999));
BOOST_CHECK((bg::get<bg::max_corner, 1>(geometry) < 9999));
}
}
template <typename Point>
void test_assign_box_or_segment_2d()
{
detail::test_assign_box_or_segment_2d<bg::model::box<Point> >();
detail::test_assign_box_or_segment_2d<bg::model::segment<Point> >();
}
template <typename Point>
void test_assign_box_2d()
{
detail::test_assign_box_or_segment_2d<bg::model::box<Point> >();
}
template <typename Point>
void test_assign_point_3d()
{
Point p;
bg::assign_values(p, 1, 2, 3);
check_geometry(p, "POINT(1 2 3)");
bg::assign_value(p, 123);
check_geometry(p, "POINT(123 123 123)");
bg::assign_zero(p);
check_geometry(p, "POINT(0 0 0)");
}
template <typename P>
void test_assign_conversion()
{
typedef bg::model::box<P> box_type;
typedef bg::model::ring<P> ring_type;
typedef bg::model::polygon<P> polygon_type;
P p;
bg::assign_values(p, 1, 2);
box_type b;
bg::assign(b, p);
BOOST_CHECK_CLOSE((bg::get<0, 0>(b)), 1.0, 0.001);
BOOST_CHECK_CLOSE((bg::get<0, 1>(b)), 2.0, 0.001);
BOOST_CHECK_CLOSE((bg::get<1, 0>(b)), 1.0, 0.001);
BOOST_CHECK_CLOSE((bg::get<1, 1>(b)), 2.0, 0.001);
bg::set<bg::min_corner, 0>(b, 1);
bg::set<bg::min_corner, 1>(b, 2);
bg::set<bg::max_corner, 0>(b, 3);
bg::set<bg::max_corner, 1>(b, 4);
ring_type ring;
bg::assign(ring, b);
{
typedef bg::model::ring<P, false, false> ring_type_ccw;
ring_type_ccw ring_ccw;
// Should NOT compile (currently): bg::assign(ring_ccw, ring);
}
typename boost::range_const_iterator<ring_type>::type it = ring.begin();
BOOST_CHECK_CLOSE(bg::get<0>(*it), 1.0, 0.001);
BOOST_CHECK_CLOSE(bg::get<1>(*it), 2.0, 0.001);
it++;
BOOST_CHECK_CLOSE(bg::get<0>(*it), 1.0, 0.001);
BOOST_CHECK_CLOSE(bg::get<1>(*it), 4.0, 0.001);
it++;
BOOST_CHECK_CLOSE(bg::get<0>(*it), 3.0, 0.001);
BOOST_CHECK_CLOSE(bg::get<1>(*it), 4.0, 0.001);
it++;
BOOST_CHECK_CLOSE(bg::get<0>(*it), 3.0, 0.001);
BOOST_CHECK_CLOSE(bg::get<1>(*it), 2.0, 0.001);
it++;
BOOST_CHECK_CLOSE(bg::get<0>(*it), 1.0, 0.001);
BOOST_CHECK_CLOSE(bg::get<1>(*it), 2.0, 0.001);
BOOST_CHECK_EQUAL(ring.size(), 5u);
polygon_type polygon;
bg::assign(polygon, ring);
BOOST_CHECK_EQUAL(bg::num_points(polygon), 5u);
ring_type ring2;
bg::assign(ring2, polygon);
BOOST_CHECK_EQUAL(bg::num_points(ring2), 5u);
}
template <typename P>
void test_assign_conversion_variant()
{
typedef bg::model::box<P> box_type;
typedef bg::model::ring<P> ring_type;
typedef bg::model::polygon<P> polygon_type;
P p;
bg::assign_values(p, 1, 2);
box_type b;
boost::variant<box_type&> variant_b(b);
bg::assign(variant_b, p);
BOOST_CHECK_CLOSE((bg::get<0, 0>(b)), 1.0, 0.001);
BOOST_CHECK_CLOSE((bg::get<0, 1>(b)), 2.0, 0.001);
BOOST_CHECK_CLOSE((bg::get<1, 0>(b)), 1.0, 0.001);
BOOST_CHECK_CLOSE((bg::get<1, 1>(b)), 2.0, 0.001);
bg::set<bg::min_corner, 0>(b, 1);
bg::set<bg::min_corner, 1>(b, 2);
bg::set<bg::max_corner, 0>(b, 3);
bg::set<bg::max_corner, 1>(b, 4);
ring_type ring;
boost::variant<ring_type&> variant_ring(ring);
bg::assign(variant_ring, boost::variant<box_type>(b));
{
typedef bg::model::ring<P, false, false> ring_type_ccw;
ring_type_ccw ring_ccw;
// Should NOT compile (currently): bg::assign(ring_ccw, ring);
}
typename boost::range_const_iterator<ring_type>::type it = ring.begin();
BOOST_CHECK_CLOSE(bg::get<0>(*it), 1.0, 0.001);
BOOST_CHECK_CLOSE(bg::get<1>(*it), 2.0, 0.001);
it++;
BOOST_CHECK_CLOSE(bg::get<0>(*it), 1.0, 0.001);
BOOST_CHECK_CLOSE(bg::get<1>(*it), 4.0, 0.001);
it++;
BOOST_CHECK_CLOSE(bg::get<0>(*it), 3.0, 0.001);
BOOST_CHECK_CLOSE(bg::get<1>(*it), 4.0, 0.001);
it++;
BOOST_CHECK_CLOSE(bg::get<0>(*it), 3.0, 0.001);
BOOST_CHECK_CLOSE(bg::get<1>(*it), 2.0, 0.001);
it++;
BOOST_CHECK_CLOSE(bg::get<0>(*it), 1.0, 0.001);
BOOST_CHECK_CLOSE(bg::get<1>(*it), 2.0, 0.001);
BOOST_CHECK_EQUAL(ring.size(), 5u);
polygon_type polygon;
boost::variant<polygon_type&> variant_polygon(polygon);
bg::assign(variant_polygon, boost::variant<ring_type>(ring));
BOOST_CHECK_EQUAL(bg::num_points(polygon), 5u);
ring_type ring2;
boost::variant<ring_type&> variant_ring2(ring2);
bg::assign(variant_ring2, boost::variant<polygon_type>(polygon));
BOOST_CHECK_EQUAL(bg::num_points(ring2), 5u);
}
template <typename Point>
void test_assign_point_2d()
{
Point p;
bg::assign_values(p, 1, 2);
check_geometry(p, "POINT(1 2)");
bg::assign_value(p, 123);
check_geometry(p, "POINT(123 123)");
bg::assign_zero(p);
check_geometry(p, "POINT(0 0)");
}
int test_main(int, char* [])
{
test_assign_point_3d<int[3]>();
test_assign_point_3d<float[3]>();
test_assign_point_3d<double[3]>();
test_assign_point_3d<test::test_point>();
test_assign_point_3d<bg::model::point<int, 3, bg::cs::cartesian> >();
test_assign_point_3d<bg::model::point<float, 3, bg::cs::cartesian> >();
test_assign_point_3d<bg::model::point<double, 3, bg::cs::cartesian> >();
test_assign_point_2d<int[2]>();
test_assign_point_2d<float[2]>();
test_assign_point_2d<double[2]>();
test_assign_point_2d<bg::model::point<int, 2, bg::cs::cartesian> >();
test_assign_point_2d<bg::model::point<float, 2, bg::cs::cartesian> >();
test_assign_point_2d<bg::model::point<double, 2, bg::cs::cartesian> >();
test_assign_conversion<bg::model::point<double, 2, bg::cs::cartesian> >();
test_assign_conversion_variant<bg::model::point<double, 2, bg::cs::cartesian> >();
// Segment (currently) cannot handle array's because derived from std::pair
test_assign_box_2d<int[2]>();
test_assign_box_2d<float[2]>();
test_assign_box_2d<double[2]>();
test_assign_box_or_segment_2d<bg::model::point<int, 2, bg::cs::cartesian> >();
test_assign_box_or_segment_2d<bg::model::point<float, 2, bg::cs::cartesian> >();
test_assign_box_or_segment_2d<bg::model::point<double, 2, bg::cs::cartesian> >();
test_assign_linestring_2d<bg::model::point<int, 2, bg::cs::cartesian> >();
test_assign_linestring_2d<bg::model::point<float, 2, bg::cs::cartesian> >();
test_assign_linestring_2d<bg::model::point<double, 2, bg::cs::cartesian> >();
#ifdef HAVE_TTMATH
// Next 3 need extra traits for c-array with custom type:
// test_assign_point_2d<ttmath_big[2]>();
// test_assign_point_3d<ttmath_big[3]>();
// test_assign_box_2d<ttmath_big[2]>();
test_assign_point_2d<bg::model::point<ttmath_big, 2, bg::cs::cartesian> >();
test_assign_point_3d<bg::model::point<ttmath_big, 3, bg::cs::cartesian> >();
test_assign_box_or_segment_2d<bg::model::point<ttmath_big, 2, bg::cs::cartesian> >();
test_assign_linestring_2d<bg::model::point<ttmath_big, 2, bg::cs::cartesian> >();
#endif
return 0;
}