コード例 #1
0
def test_aligned_with_internaltile():
    """Check if COG is in WebMercator and aligned with internal tiles."""
    bounds = WEB_MERCATOR_TMS.bounds(43, 25, 7)
    with rasterio.open(COG_DST) as src_dst:
        assert not utils._requested_tile_aligned_with_internal_tile(
            src_dst, bounds, 256, 256)

    with rasterio.open(NOCOG) as src_dst:
        assert not utils._requested_tile_aligned_with_internal_tile(
            src_dst, bounds, 256, 256)

    bounds = WEB_MERCATOR_TMS.bounds(147, 182, 9)
    with rasterio.open(COG_NOWEB) as src_dst:
        assert not utils._requested_tile_aligned_with_internal_tile(
            src_dst, bounds, 256, 256)

    with rasterio.open(COG_WEB_TILED) as src_dst:
        assert utils._requested_tile_aligned_with_internal_tile(
            src_dst, bounds, 256, 256)
コード例 #2
0
def test_metadata():
    """Should return correct metadata."""
    with rasterio.open(COG_CMAP) as src_dst:
        meta = reader.metadata(src_dst)
        assert meta["dtype"] == "int8"
        assert meta["colorinterp"] == ["palette"]
        assert not meta.get("scale")
        assert not meta.get("ofsset")
        assert meta.get("colormap")

    with rasterio.open(COG_SCALE) as src_dst:
        meta = reader.metadata(src_dst)
        assert meta["dtype"] == "int16"
        assert meta["colorinterp"] == ["gray"]
        assert meta["scale"] == 0.0001
        assert meta["offset"] == 1000.0
        assert meta["band_descriptions"] == [("1", "Green")]
        assert not meta.get("colormap")
        assert meta["nodata_type"] == "Nodata"

        meta = reader.metadata(src_dst, indexes=1)
        assert meta["colorinterp"] == ["gray"]

        bounds = WEB_MERCATOR_TMS.bounds(218, 99, 8)
        meta = reader.metadata(src_dst, bounds)
        assert meta["colorinterp"] == ["gray"]
        assert meta["bounds"] == bounds

    with rasterio.open(S3_ALPHA_PATH) as src_dst:
        with pytest.warns(AlphaBandWarning):
            meta = reader.metadata(src_dst)
            assert len(meta["band_descriptions"]) == 3
            assert meta["colorinterp"] == ["red", "green", "blue"]
            assert meta["nodata_type"] == "Alpha"

        meta = reader.metadata(src_dst, indexes=(1, 2, 3, 4))
        assert len(meta["band_descriptions"]) == 4
        assert meta["colorinterp"] == ["red", "green", "blue", "alpha"]
        assert meta["nodata_type"] == "Alpha"

    with rasterio.open(S3_MASK_PATH) as src_dst:
        meta = reader.metadata(src_dst)
        assert meta["nodata_type"] == "Mask"