Exemplo n.º 1
0
def test_rio_driver_open(data_folder):
    base = "file://" + str(data_folder) + "/metadata.yml"

    rdr = mk_rio_driver()
    assert rdr is not None

    load_ctx = rdr.new_load_context(iter([]), None)
    bi = mk_band('b1', base, path="test.tif", format=GeoTIFF)
    load_ctx = rdr.new_load_context(iter([bi]), load_ctx)
    fut = rdr.open(bi, load_ctx)
    assert isinstance(fut, Future)

    src = fut.result()
    assert src.crs is not None
    assert src.transform is not None
    assert src.crs.epsg == 4326
    assert src.shape == (2000, 4000)
    assert src.nodata == -999
    assert src.dtype == np.dtype(np.int16)

    xx = src.read().result()
    assert xx.shape == src.shape
    assert xx.dtype == src.dtype

    # check overrides
    bi = mk_band('b1',
                 base,
                 path="zeros_no_geo_int16_7x3.tif",
                 format=GeoTIFF,
                 nodata=None)

    # First verify that missing overrides in the band doesn't cause issues
    assert bi.crs is None
    assert bi.transform is None
    assert bi.nodata is None

    load_ctx = rdr.new_load_context(iter([bi]), load_ctx)
    with warnings.catch_warnings():
        warnings.simplefilter('ignore',
                              rasterio.errors.NotGeoreferencedWarning)
        src = rdr.open(bi, load_ctx).result()

    assert src.crs is None
    assert src.transform is None
    assert src.nodata is None

    # Now test that overrides work
    bi.crs = epsg3857
    bi.transform = Affine.translation(10, 100)
    bi.nodata = -33

    load_ctx = rdr.new_load_context(iter([bi]), load_ctx)
    with warnings.catch_warnings():
        warnings.simplefilter('ignore',
                              rasterio.errors.NotGeoreferencedWarning)
        src = rdr.open(bi, load_ctx).result()

    assert src.crs == bi.crs
    assert src.transform == bi.transform
    assert src.nodata == bi.nodata
Exemplo n.º 2
0
def test_rd_internals_uri():
    base = "file:///some/path/"

    bi = mk_band('green', base, path="f.tiff", format=GeoTIFF)
    assert _rio_uri(bi) == '/some/path/f.tiff'

    bi = mk_band('x', base, path="x.nc", layer='x', format=NetCDF)
    assert _rio_uri(bi) == 'NETCDF:"/some/path/x.nc":x'

    bi = mk_band('jj', 's3://some/path/config.yml', "jj.tiff")
    assert _rio_uri(bi) == 's3://some/path/jj.tiff'
    assert _rio_uri(bi) is bi.uri
Exemplo n.º 3
0
def test_rd_internals_bidx(data_folder):
    base = "file://" + str(data_folder) + "/metadata.yml"
    bi = mk_band('a',
                 base,
                 path="multi_doc.nc",
                 format=NetCDF,
                 timestamp=datetime.utcfromtimestamp(1),
                 layer='a')
    assert bi.uri.endswith('multi_doc.nc')

    rio_fname = _rio_uri(bi)
    assert rio_fname.startswith('NETCDF:')

    with rasterio.open(rio_fname) as src:
        # timestamp search was removed
        with pytest.raises(DeprecationWarning):
            _rio_band_idx(bi, src)

        # extract from .uri
        bi.uri = bi.uri + "#part=5"
        assert _rio_band_idx(bi, src) == 5

        # extract from .band
        bi.band = 33
        assert _rio_band_idx(bi, src) == 33

    bi = mk_band('a', base, path="test.tif", format=GeoTIFF)

    with rasterio.open(_rio_uri(bi), 'r') as src:
        # should default to 1
        assert _rio_band_idx(bi, src) == 1

        # layer containing int should become index
        bi = mk_band('a', base, path="test.tif", format=GeoTIFF, layer=2)
        assert _rio_band_idx(bi, src) == 2

        # band is the keyword
        bi = mk_band('a', base, path="test.tif", format=GeoTIFF, band=3)
        assert _rio_band_idx(bi, src) == 3

    # TODO: make single time-slice netcdf, for now pretend that this tiff is netcdf
    with rasterio.open(str(data_folder) + "/sample_tile_151_-29.tif",
                       'r') as src:
        bi = mk_band('a', base, path='sample_tile_151_-29.tif', format=NetCDF)
        assert src.count == 1
        assert _rio_band_idx(bi, src) == 1
Exemplo n.º 4
0
def test_rio_driver_fail_to_open():
    nosuch_uri = 'file:///this-file-hopefully/doesnot/exist-4718193.tiff'
    rde = RDEntry()
    rdr = rde.new_instance({})

    assert rdr is not None

    load_ctx = rdr.new_load_context(iter([]), None)
    load_ctx = rdr.new_load_context(iter([]), load_ctx)

    bi = mk_band('green', nosuch_uri)
    assert bi.uri == nosuch_uri
    fut = rdr.open(bi, load_ctx)

    assert isinstance(fut, Future)

    with pytest.raises(IOError):
        fut.result()