File: test_lineset.py

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# ----------------------------------------------------------------------------
# -                        Open3D: www.open3d.org                            -
# ----------------------------------------------------------------------------
# The MIT License (MIT)
#
# Copyright (c) 2018-2021 www.open3d.org
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
# IN THE SOFTWARE.
# ----------------------------------------------------------------------------

import open3d as o3d
import numpy as np
import pytest
import pickle
import tempfile

import sys
import os

sys.path.append(os.path.dirname(os.path.realpath(__file__)) + "/../..")
from open3d_test import list_devices


def test_extrude_rotation():
    line = o3d.t.geometry.LineSet([[0.7, 0, 0], [1, 0, 0]], [[0, 1]])
    ans = line.extrude_rotation(3 * 360, [0, 1, 0],
                                resolution=3 * 16,
                                translation=2)
    assert ans.vertex.positions.shape == (98, 3)
    assert ans.triangle.indices.shape == (96, 3)


def test_extrude_linear():
    lines = o3d.t.geometry.LineSet([[1.0, 0.0, 0.0], [0, 0, 0], [0, 0, 1]],
                                   [[0, 1], [1, 2]])
    ans = lines.extrude_linear([0, 1, 0])
    assert ans.vertex.positions.shape == (6, 3)
    assert ans.triangle.indices.shape == (4, 3)


@pytest.mark.parametrize("device", list_devices())
def test_pickle(device):
    line = o3d.t.geometry.LineSet([[0.7, 0, 0], [1, 0, 0]], [[0, 1]]).to(device)
    with tempfile.TemporaryDirectory() as temp_dir:
        file_name = f"{temp_dir}/lineset.pkl"
        pickle.dump(line, open(file_name, "wb"))
        line_load = pickle.load(open(file_name, "rb"))
        assert line_load.device == device
        np.testing.assert_equal(line_load.point.positions.cpu().numpy(),
                                line.point.positions.cpu().numpy())
        np.testing.assert_equal(line_load.line.indices.cpu().numpy(),
                                line.line.indices.cpu().numpy())