Ejemplo n.º 1
0
void test_one_lp(std::string const& caseid,
        std::string const& wkt1, std::string const& wkt2,
        std::size_t expected_count,
        int expected_point_count,
        double expected_length)
{
    G1 g1;
    bg::read_wkt(wkt1, g1);

    G2 g2;
    bg::read_wkt(wkt2, g2);

    bg::correct(g1);
    bg::correct(g2);

    typedef typename setop_output_type<OutputType>::type result_type;
    result_type pieces;
    bg::difference(g1, g2, pieces);

    typename bg::default_length_result<G1>::type length = 0;
    std::size_t n = 0;
    std::size_t piece_count = 0;
    for (typename result_type::iterator it = pieces.begin();
            it != pieces.end();
            ++it)
    {
        if (expected_point_count >= 0)
        {
            n += bg::num_points(*it);
        }
        piece_count++;
        length += bg::length(*it);
    }

    BOOST_CHECK_MESSAGE(piece_count == expected_count,
            "difference: " << caseid
            << " #outputs expected: " << expected_count
            << " detected: " << pieces.size()
            );

    if (expected_point_count >= 0)
    {
        BOOST_CHECK_MESSAGE(n == std::size_t(expected_point_count),
                "difference: " << caseid
                << " #points expected: " << std::size_t(expected_point_count)
                << " detected: " << n
                << " type: " << (type_for_assert_message<G1, G2>())
                );
    }

    BOOST_CHECK_CLOSE(length, expected_length, 0.001);

    std::string lp = "lp_";
    difference_output(lp + caseid, g1, g2, pieces);
}
Ejemplo n.º 2
0
std::string test_difference(std::string const& caseid, G1 const& g1, G2 const& g2,
        int expected_count, int expected_rings_count, int expected_point_count,
        double expected_area,
        bool sym,
        ut_settings const& settings)
{
    typedef typename bg::coordinate_type<G1>::type coordinate_type;
    boost::ignore_unused<coordinate_type>();

    bg::model::multi_polygon<OutputType> result;


    if (sym)
    {
        bg::sym_difference(g1, g2, result);
    }
    else
    {
        bg::difference(g1, g2, result);
    }

    if (settings.remove_spikes)
    {
        bg::remove_spikes(result);
    }

#if ! defined(BOOST_GEOMETRY_TEST_ONLY_ONE_TYPE)
    {
        bg::model::multi_polygon<OutputType> result_s;
        typedef typename bg::strategy::relate::services::default_strategy
            <
                G1, G2
            >::type strategy_type;
        if (sym)
        {
            bg::sym_difference(g1, g2, result_s, strategy_type());
        }
        else
        {
            bg::difference(g1, g2, result_s, strategy_type());
        }

        if (settings.remove_spikes)
        {
            bg::remove_spikes(result_s);
        }
        BOOST_CHECK_EQUAL(bg::num_points(result), bg::num_points(result_s));
    }
#endif


    std::ostringstream return_string;
    return_string << bg::wkt(result);

    typename bg::default_area_result<G1>::type const area = bg::area(result);
    std::size_t const n = expected_point_count >= 0
                          ? bg::num_points(result) : 0;

#if ! defined(BOOST_GEOMETRY_NO_BOOST_TEST)
    if (settings.test_validity)
    {
        // std::cout << bg::dsv(result) << std::endl;
        std::string message;
        bool const valid = bg::is_valid(result, message);
        BOOST_CHECK_MESSAGE(valid,
            "difference: " << caseid << " not valid " << message
            << " type: " << (type_for_assert_message<G1, G2>()));
    }
#endif

    difference_output(caseid, g1, g2, result);

#if ! (defined(BOOST_GEOMETRY_TEST_ONLY_ONE_TYPE) \
    || defined(BOOST_GEOMETRY_DEBUG_ASSEMBLE))
    {
        // Test inserter functionality
        // Test if inserter returns output-iterator (using Boost.Range copy)
        typedef typename bg::point_type<G1>::type point_type;
        typedef typename bg::rescale_policy_type<point_type>::type
            rescale_policy_type;

        rescale_policy_type rescale_policy
                = bg::get_rescale_policy<rescale_policy_type>(g1, g2);

        typename setop_output_type<OutputType>::type
            inserted, array_with_one_empty_geometry;
        array_with_one_empty_geometry.push_back(OutputType());
        if (sym)
        {
            boost::copy(array_with_one_empty_geometry,
                bg::detail::sym_difference::sym_difference_insert<OutputType>
                    (g1, g2, rescale_policy, std::back_inserter(inserted)));
        }
        else
        {
            boost::copy(array_with_one_empty_geometry,
                bg::detail::difference::difference_insert<OutputType>(
                    g1, g2, rescale_policy, std::back_inserter(inserted)));
        }

        BOOST_CHECK_EQUAL(boost::size(result), boost::size(inserted) - 1);
    }
#endif



#if ! defined(BOOST_GEOMETRY_NO_BOOST_TEST)
    if (expected_point_count >= 0)
    {
        BOOST_CHECK_MESSAGE(bg::math::abs(int(n) - expected_point_count) < 3,
                "difference: " << caseid
                << " #points expected: " << expected_point_count
                << " detected: " << n
                << " type: " << (type_for_assert_message<G1, G2>())
                );
    }

    if (expected_count >= 0)
    {
        BOOST_CHECK_MESSAGE(int(boost::size(result)) == expected_count,
                "difference: " << caseid
                << " #outputs expected: " << expected_count
                << " detected: " << result.size()
                << " type: " << (type_for_assert_message<G1, G2>())
                );
    }

    if (expected_rings_count >= 0)
    {
        int nrings = int(boost::size(result) + bg::num_interior_rings(result));
        BOOST_CHECK_MESSAGE(nrings == expected_rings_count,
                "difference: " << caseid
                << " #rings expected: " << expected_rings_count
                << " detected: " << nrings
                << " type: " << (type_for_assert_message<G1, G2>())
                );
    }

    BOOST_CHECK_CLOSE(area, expected_area, settings.percentage);
#endif


    return return_string.str();
}
Ejemplo n.º 3
0
void test_difference(std::string const& caseid, G1 const& g1, G2 const& g2,
        int expected_count, int expected_point_count,
        double expected_area,
        double percentage = 0.0001,
        bool sym = false)
{
    typedef typename bg::coordinate_type<G1>::type coordinate_type;
    boost::ignore_unused<coordinate_type>();

    std::vector<OutputType> clip;

    if (sym)
    {
        bg::sym_difference(g1, g2, clip);
    }
    else
    {
        bg::difference(g1, g2, clip);
    }

    typename bg::default_area_result<G1>::type area = 0;
    int n = 0;
    for (typename std::vector<OutputType>::iterator it = clip.begin();
            it != clip.end();
            ++it)
    {
        if (expected_point_count >= 0)
        {
            n += bg::num_points(*it);
        }

        area += bg::area(*it);
    }

    difference_output(caseid, g1, g2, clip);

#ifndef BOOST_GEOMETRY_DEBUG_ASSEMBLE
    {
        // Test inserter functionality
        // Test if inserter returns output-iterator (using Boost.Range copy)
        typedef typename bg::point_type<G1>::type point_type;
        typedef typename bg::rescale_policy_type<point_type>::type
            rescale_policy_type;

        rescale_policy_type rescale_policy
                = bg::get_rescale_policy<rescale_policy_type>(g1, g2);

        std::vector<OutputType> inserted, array_with_one_empty_geometry;
        array_with_one_empty_geometry.push_back(OutputType());
        if (sym)
        {
            boost::copy(array_with_one_empty_geometry,
                bg::detail::sym_difference::sym_difference_insert<OutputType>
                    (g1, g2, rescale_policy, std::back_inserter(inserted)));
        }
        else
        {
            boost::copy(array_with_one_empty_geometry,
                bg::detail::difference::difference_insert<OutputType>(
                    g1, g2, rescale_policy, std::back_inserter(inserted)));
        }

        BOOST_CHECK_EQUAL(boost::size(clip), boost::size(inserted) - 1);
    }
#endif



#if ! defined(BOOST_GEOMETRY_NO_BOOST_TEST)
    if (expected_point_count >= 0)
    {
        BOOST_CHECK_MESSAGE(bg::math::abs(n - expected_point_count) < 3,
                "difference: " << caseid
                << " #points expected: " << expected_point_count
                << " detected: " << n
                << " type: " << (type_for_assert_message<G1, G2>())
                );
    }

    if (expected_count >= 0)
    {
        BOOST_CHECK_MESSAGE(int(clip.size()) == expected_count,
                "difference: " << caseid
                << " #outputs expected: " << expected_count
                << " detected: " << clip.size()
                << " type: " << (type_for_assert_message<G1, G2>())
                );
    }

    BOOST_CHECK_CLOSE(area, expected_area, percentage);
#endif


}