Beispiel #1
0
TEST_F(OGSIOVer4InterfaceTest, StillCorrectTINWihtAdditionalValueAtEndOfLine)
{
    std::string tin_fname(BaseLib::BuildInfo::tests_tmp_path+"Surface.tin");
    std::ofstream tin_out (tin_fname);
    tin_out << "0 0.0 0.0 0.0 1.0 0.0.0 0.0 0.0 1.0 10\n";
    tin_out << "1 0.0 0.0 0.0 1.0 0.0.0 0.0 0.0 1.0\n";
    tin_out.close();

    // read geometry
    GeoLib::GEOObjects geometries;
    std::vector<std::string> errors;
    std::string geometry_name("TestGeometry");
    FileIO::Legacy::readGLIFileV4(_gli_fname, geometries, geometry_name,
                                  errors, "dummy_for_gmsh_path");

    std::vector<GeoLib::Surface*> const*
        sfcs(geometries.getSurfaceVec(geometry_name));
    ASSERT_TRUE(sfcs != nullptr);
    ASSERT_EQ(1u, geometries.getSurfaceVec(geometry_name)->size());
    ASSERT_EQ(2u, (*geometries.getSurfaceVec(geometry_name))[0]->getNumberOfTriangles());

    std::remove(tin_fname.c_str());
}
Beispiel #2
0
TEST_F(OGSIOVer4InterfaceTest, InvalidTIN_ZeroAreaTri)
{
    std::string tin_fname(BaseLib::BuildInfo::tests_tmp_path+"Surface.tin");
    std::ofstream tin_out (tin_fname);
    tin_out << "0 0.0 0.0 0.0 1.0 0.0.0 0.0 0.0 0.0\n";
    tin_out.close();

    // read geometry
    GeoLib::GEOObjects geometries;
    std::vector<std::string> errors;
    std::string geometry_name("TestGeometry");
    FileIO::Legacy::readGLIFileV4(_gli_fname, geometries, geometry_name,
                                  errors, "dummy_for_gmsh_path");

    std::vector<GeoLib::Surface*> const*
        sfcs(geometries.getSurfaceVec(geometry_name));
    ASSERT_TRUE(sfcs == nullptr);

    std::remove(tin_fname.c_str());
}
TEST(GeoLib, SurfaceIsPointInSurface)
{
    std::vector<std::function<double(double, double)>> surface_functions;
    surface_functions.push_back(constant);
    surface_functions.push_back(coscos);

    for (auto f : surface_functions) {
        std::random_device rd;

        std::string name("Surface");
        // generate ll and ur in random way
        std::mt19937 random_engine_mt19937(rd());
        std::normal_distribution<> normal_dist_ll(-10, 2);
        std::normal_distribution<> normal_dist_ur(10, 2);
        MathLib::Point3d ll(std::array<double,3>({{
                normal_dist_ll(random_engine_mt19937),
                normal_dist_ll(random_engine_mt19937),
                0.0
            }
        }));
        MathLib::Point3d ur(std::array<double,3>({{
                normal_dist_ur(random_engine_mt19937),
                normal_dist_ur(random_engine_mt19937),
                0.0
            }
        }));
        for (std::size_t k(0); k<3; ++k)
            if (ll[k] > ur[k])
                std::swap(ll[k], ur[k]);

        // random discretization of the domain
        std::default_random_engine re(rd());
        std::uniform_int_distribution<std::size_t> uniform_dist(2, 25);
        std::array<std::size_t,2> n_steps = {{uniform_dist(re),uniform_dist(re)}};

        std::unique_ptr<MeshLib::Mesh> sfc_mesh(
            MeshLib::MeshGenerator::createSurfaceMesh(
                name, ll, ur, n_steps, f
            )
        );

        // random rotation angles
        std::normal_distribution<> normal_dist_angles(
            0, boost::math::double_constants::two_pi);
        std::array<double,3> euler_angles = {{
                normal_dist_angles(random_engine_mt19937),
                normal_dist_angles(random_engine_mt19937),
                normal_dist_angles(random_engine_mt19937)
            }
        };

        MathLib::DenseMatrix<double, std::size_t> rot_mat(getRotMat(
                    euler_angles[0], euler_angles[1], euler_angles[2]));

        std::vector<MeshLib::Node*> const& nodes(sfc_mesh->getNodes());
        GeoLib::rotatePoints<MeshLib::Node>(rot_mat, nodes);

        MathLib::Vector3 const normal(0,0,1.0);
        MathLib::Vector3 const surface_normal(rot_mat * normal);
        double const eps(1e-6);
        MathLib::Vector3 const displacement(eps * surface_normal);

        GeoLib::GEOObjects geometries;
        MeshLib::convertMeshToGeo(*sfc_mesh, geometries);

        std::vector<GeoLib::Surface*> const& sfcs(*geometries.getSurfaceVec(name));
        GeoLib::Surface const*const sfc(sfcs.front());
        std::vector<GeoLib::Point*> const& pnts(*geometries.getPointVec(name));
        // test triangle edge point of the surface triangles
        for (auto const p : pnts) {
            EXPECT_TRUE(sfc->isPntInSfc(*p));
            MathLib::Point3d q(*p);
            for (std::size_t k(0); k<3; ++k)
                q[k] += displacement[k];
            EXPECT_FALSE(sfc->isPntInSfc(q));
        }
        // test edge middle points of the triangles
        for (std::size_t k(0); k<sfc->getNTriangles(); ++k) {
            MathLib::Point3d p, q, r;
            std::tie(p,q,r) = getEdgeMiddlePoints(*(*sfc)[k]);
            EXPECT_TRUE(sfc->isPntInSfc(p));
            EXPECT_TRUE(sfc->isPntInSfc(q));
            EXPECT_TRUE(sfc->isPntInSfc(r));
        }
    }
}