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Top 10 Examples of "rasterio in functional component" in Python

Dive into secure and efficient coding practices with our curated list of the top 10 examples showcasing 'rasterio' in functional components in Python. Our advanced machine learning engine meticulously scans each line of code, cross-referencing millions of open source libraries to ensure your implementation is not just functional, but also robust and secure. Elevate your React applications to new heights by mastering the art of handling side effects, API calls, and asynchronous operations with confidence and precision.

source2[rows // 2:, cols // 2:] = 100

    kwargs = {
        "count": 1,
        "width": params.width,
        "height": params.height,
        "dtype": np.uint8,
        "driver": "GTiff",
        "crs": params.dst_crs,
        "transform": params.dst_transform,
    }

    with rasterio.open(tiffname, "w", **kwargs) as dst:
        reproject(
            source1,
            rasterio.band(dst, 1),
            src_transform=params.src_transform,
            src_crs=params.src_crs,
            src_nodata=0.0,
            dst_transform=params.dst_transform,
            dst_crs=params.dst_crs,
            dst_nodata=0.0,
        )

        reproject(
            source2,
            rasterio.band(dst, 1),
            src_transform=params.src_transform,
            src_crs=params.src_crs,
            src_nodata=0.0,
            dst_transform=params.dst_transform,
            dst_crs=params.dst_crs,
window = evaluate(window, height=height, width=width)

    height_shape = block_shapes[0][0]
    width_shape = block_shapes[0][1]

    (row_start, row_stop), (col_start, col_stop) = window.toranges()

    row_min = int(row_start // height_shape) * height_shape
    row_max = int(row_stop // height_shape) * height_shape + \
        (height_shape if row_stop % height_shape != 0 else 0)

    col_min = int(col_start // width_shape) * width_shape
    col_max = int(col_stop // width_shape) * width_shape + \
        (width_shape if col_stop % width_shape != 0 else 0)

    return Window(col_min, row_min, col_max - col_min, row_max - row_min)
"""
    Create Cloud Optimized Geotiff.
    Parameters
    ----------
    src_path : str or PathLike object
        A dataset path or URL. Will be opened in "r" mode.
    This script is the rasterio equivalent of
    https://svn.osgeo.org/gdal/trunk/gdal/swig/python/samples/validate_cloud_optimized_geotiff.py
    """
    errors = []
    details = {}

    if not GDALVersion.runtime().at_least("2.2"):
        raise Exception("GDAL 2.2 or above required")

    with rasterio.open(src_path) as src:
        if not src.driver == "GTiff":
            raise Exception("The file is not a GeoTIFF")

        filelist = [os.path.basename(f) for f in src.files]
        src_bname = os.path.basename(src_path)
        if len(filelist) > 1 and src_bname + ".ovr" in filelist:
            errors.append(
                "Overviews found in external .ovr file. They should be internal"
            )

        if src.width >= 512 or src.height >= 512:
            if not src.is_tiled:
                errors.append(
                    "The file is greater than 512xH or 512xW, but is not tiled"
                )
def test_rd_internals_crs():
    from rasterio.crs import CRS as RioCRS

    assert _dc_crs(None) is None
    assert _dc_crs(RioCRS()) is None
    assert _dc_crs(RioCRS.from_epsg(3857)).epsg == 3857
    assert _dc_crs(RioCRS.from_wkt(SAMPLE_WKT_WITHOUT_AUTHORITY)).epsg is None
def test_reproject_invalid_src_nodata():
    """src_nodata must be in range for data type."""
    params = default_reproject_params()

    source = np.ones((params.width, params.height), dtype=np.uint8)
    out = source.copy()

    with pytest.raises(ValueError):
        reproject(
            source,
            out,
            src_transform=params.src_transform,
            src_crs=params.src_crs,
            src_nodata=999999999,
            dst_transform=params.dst_transform,
            dst_crs=params.dst_crs,
            dst_nodata=215,
        )
def test_reproject_epsg():
    with rasterio.open('tests/data/RGB.byte.tif') as src:
        source = src.read(1)

    dst_crs = {'init': 'EPSG:3857'}
    out = np.empty(src.shape, dtype=np.uint8)
    reproject(
        source,
        out,
        src_transform=src.transform,
        src_crs=src.crs,
        dst_transform=DST_TRANSFORM,
        dst_crs=dst_crs,
        resampling=Resampling.nearest)
    assert (out > 0).sum() == 438113
profile = src.profile.copy()

        dst_crs = {'init': 'EPSG:32619'}

        # Calculate the ideal dimensions and transformation in the new crs
        dst_affine, dst_width, dst_height = calculate_default_transform(
            src.crs, dst_crs, src.width, src.height, *src.bounds)

        profile['height'] = dst_height
        profile['width'] = dst_width

        out = np.empty(shape=(dst_height, dst_width), dtype=np.uint8)

        # see #614, some resampling methods succeed but produce blank images
        out = np.empty(src.shape, dtype=np.uint8)
        reproject(
            source,
            out,
            src_transform=src.transform,
            src_crs=src.crs,
            dst_transform=dst_affine,
            dst_crs=dst_crs,
            resampling=method)

        assert out.mean() > 0
def test_reproject_init_dest_nodata():
    """No pixels should transfer over"""
    crs = CRS.from_epsg(4326)
    transform = Affine.identity()
    source = np.zeros((1, 100, 100))
    destination = np.ones((1, 100, 100))
    reproject(
        source, destination, src_crs=crs, src_transform=transform,
        dst_crs=crs, dst_transform=transform,
        src_nodata=0, init_dest_nodata=False
    )
    assert destination.all()
'transform': params.dst_transform
    }

    with rasterio.open(tiffname, 'w', **kwargs) as dst:
        reproject(
            source1,
            rasterio.band(dst, 1),
            src_transform=params.src_transform,
            src_crs=params.src_crs,
            src_nodata=0.0,
            dst_transform=params.dst_transform,
            dst_crs=params.dst_crs,
            dst_nodata=0.0
        )

        reproject(
            source2,
            rasterio.band(dst, 1),
            src_transform=params.src_transform,
            src_crs=params.src_crs,
            src_nodata=0.0,
            dst_transform=params.dst_transform,
            dst_crs=params.dst_crs,
            dst_nodata=0.0,
            init_dest_nodata=False
        )

    # 200s should remain along with 100s
    with rasterio.open(tiffname) as src:
        data = src.read()

    assert data.max() == 200
def test_threads_main_env():
    """Get raster data using ThreadPoolExecutor with main thread Env"""
    with rasterio.Env(), ThreadPoolExecutor(4) as pool:
        for res in pool.map(get_data, ['tests/data/RGB.byte.tif'] * 10):
            assert res.any()

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