C++ (Cpp) geometry_collection示例

示例#1

文件： geometry_equal.hpp 项目： rtpavlovsk21/mapnik

    void operator() (geometry_collection<T> const& c1, geometry_collection<T> const& c2) const
    {
        if (c1.size() != c2.size())
        {
            REQUIRE(false);
        }

        for (auto const& g : zip_crange(c1, c2))
        {
            assert_g_equal(g.template get<0>(),g.template get<1>());
        }
    }

示例#2

文件： geometry_reprojection_impl.hpp 项目： DavidLiuGitHub/mapnik

geometry_collection<T> reproject_internal(geometry_collection<T> const & c, proj_transform const& proj_trans, unsigned int & n_err)
{
    geometry_collection<T> new_c;
    new_c.reserve(c.size());
    for (auto const& g : c)
    {

        geometry<T> new_g = reproject_copy(g, proj_trans, n_err);
        if (!new_g.template is<geometry_empty>())
        {
            new_c.emplace_back(std::move(new_g));
        }
    }
    return new_c;
}