Python frompng Examples

Example #1

File: test_images_io.py Project: gdtm86/thunder

def test_from_png(eng):
    path = os.path.join(resources, 'singlelayer_png', 'dot1_grey.png')
    data = frompng(path, engine=eng)
    assert allclose(data.shape, (1, 70, 75))
    assert allclose(data.toarray().shape, (70, 75))
    assert allclose(data.toarray().max(), 239)
    assert allclose(data.toarray().min(), 1)

Example #2

File: test_images_io.py Project: gdtm86/thunder

def test_from_png(eng):
    path = os.path.join(resources, 'singlelayer_png', 'dot1_grey.png')
    data = frompng(path, engine=eng)
    assert allclose(data.shape, (1, 70, 75))
    assert allclose(data.toarray().shape, (70, 75))
    assert allclose(data.toarray().max(), 239)
    assert allclose(data.toarray().min(), 1)

Example #3

File: test_images_io.py Project: gdtm86/thunder

def test_from_png_keys(eng):
    path = os.path.join(resources, 'singlelayer_png', 'dot1_grey.png')
    data = frompng(path, engine=eng)
    assert (data.tordd().keys().first() == (0, )
            if data.mode == 'spark' else True)

Example #4

File: test_images_io.py Project: gdtm86/thunder

def test_to_png_roundtrip(tmpdir, eng):
    a = [arange(8, dtype='uint8').reshape((4, 2))]
    data = fromlist(a, engine=eng)
    data.topng(os.path.join(str(tmpdir), 'images'), prefix='image')
    loaded = frompng(os.path.join(str(tmpdir), 'images'))
    assert allclose(data.toarray(), loaded.toarray())

Example #5

File: test_images_io.py Project: gdtm86/thunder

def test_from_png_keys(eng):
    path = os.path.join(resources, 'singlelayer_png', 'dot1_grey.png')
    data = frompng(path, engine=eng)
    assert (data.tordd().keys().first() == (0,) if data.mode == 'spark' else True)

Example #6

File: test_images_io.py Project: gdtm86/thunder

def test_to_png_roundtrip(tmpdir, eng):
    a = [arange(8, dtype='uint8').reshape((4, 2))]
    data = fromlist(a, engine=eng)
    data.topng(os.path.join(str(tmpdir), 'images'), prefix='image')
    loaded = frompng(os.path.join(str(tmpdir), 'images'))
    assert allclose(data.toarray(), loaded.toarray())