Exemple #1
0
def main(args):
    config = load_config(args.config)
    check_channels(config)
    check_classes(config)

    assert torch.cuda.is_available(
    ), "No GPU support found. Check CUDA and NVidia Driver install."
    assert torch.distributed.is_nccl_available(
    ), "No NCCL support found. Check your PyTorch install."

    world_size = torch.cuda.device_count()
    args.bs = args.bs if args.bs is not None else math.floor(os.cpu_count() /
                                                             world_size)
    args.workers = args.workers if args.workers is not None else args.bs

    palette, transparency = make_palette(
        [classe["color"] for classe in config["classes"]])
    args.cover = [
        tile for tile in tiles_from_csv(os.path.expanduser(args.cover))
    ] if args.cover else None

    args.out = os.path.expanduser(args.out)
    log = Logs(os.path.join(args.out, "log"))

    chkpt = torch.load(args.checkpoint, map_location=torch.device("cpu"))
    chkpt["loader"] = "SemSeg"
    log.log("neo predict on {} GPUs, with {} workers/GPU and {} tiles/batch".
            format(world_size, args.workers, args.bs))
    log.log("Model {} - UUID: {}".format(chkpt["nn"], chkpt["uuid"]))
    log.log("---")
    loader = load_module("neat_eo.loaders.{}".format(chkpt["loader"].lower()))

    lock_file = os.path.abspath(os.path.join(args.out, str(uuid.uuid1())))

    dataset = getattr(loader, chkpt["loader"])(
        config,
        chkpt["shape_in"][1:3],
        args.dataset,
        args.cover,
        mode="predict",
        metatiles=args.metatiles,
        keep_borders=args.keep_borders,
    )

    mp.spawn(gpu_worker,
             nprocs=world_size,
             args=(world_size, lock_file, args, config, dataset, palette,
                   transparency))

    if os.path.exists(lock_file):
        os.remove(lock_file)

    if not args.no_web_ui and dataset.cover:
        template = "leaflet.html" if not args.web_ui_template else args.web_ui_template
        base_url = args.web_ui_base_url if args.web_ui_base_url else "."
        web_ui(args.out, base_url, dataset.cover, dataset.cover, "png",
               template)
Exemple #2
0
def main(args):
    assert not (args.label and args.format), "Format option not supported for label, output must be kept as png"
    try:
        args.bands = list(map(int, args.bands.split(","))) if args.bands else None
    except:
        raise ValueError("invalid --args.bands value")

    if not args.workers:
        args.workers = min(os.cpu_count(), len(args.rasters))

    if args.label:
        config = load_config(args.config)
        check_classes(config)
        colors = [classe["color"] for classe in config["classes"]]
        palette = make_palette(colors)

    assert len(args.ts.split(",")) == 2, "--ts expect width,height value (e.g 512,512)"
    width, height = list(map(int, args.ts.split(",")))

    cover = [tile for tile in tiles_from_csv(os.path.expanduser(args.cover))] if args.cover else None

    splits_path = os.path.join(os.path.expanduser(args.out), ".splits")

    args.out = os.path.expanduser(args.out)
    if os.path.dirname(os.path.expanduser(args.out)):
        os.makedirs(args.out, exist_ok=True)
    log = Logs(os.path.join(args.out, "log"), out=sys.stderr)

    raster = rasterio_open(os.path.expanduser(args.rasters[0]))
    args.bands = args.bands if args.bands else raster.indexes
    raster.close()
    print(
        "neo tile {} rasters on bands {}, on CPU with {} workers".format(len(args.rasters), args.bands, args.workers),
        file=sys.stderr,
        flush=True,
    )

    skip = []
    tiles_map = {}
    total = 0
    for path in args.rasters:
        raster = rasterio_open(os.path.expanduser(path))
        assert set(args.bands).issubset(set(raster.indexes)), "Missing bands in raster {}".format(path)

        try:
            w, s, e, n = transform_bounds(raster.crs, "EPSG:4326", *raster.bounds)
        except:
            log.log("WARNING: missing or invalid raster projection, SKIPPING: {}".format(path))
            skip.append(path)
            continue

        tiles = [mercantile.Tile(x=x, y=y, z=z) for x, y, z in mercantile.tiles(w, s, e, n, args.zoom)]
        tiles = list(set(tiles) & set(cover)) if cover else tiles
        total += len(tiles)

        for tile in tiles:
            tile_key = (str(tile.x), str(tile.y), str(tile.z))
            if tile_key not in tiles_map.keys():
                tiles_map[tile_key] = []
            tiles_map[tile_key].append(path)

        raster.close()
    assert total, "Nothing left to tile"

    if len(args.bands) == 1 or args.label:
        ext = "png" if args.format is None else args.format
    if len(args.bands) == 3:
        ext = "webp" if args.format is None else args.format
    if len(args.bands) > 3:
        ext = "tiff" if args.format is None else args.format

    tiles = []
    progress = tqdm(desc="Coverage tiling", total=total, ascii=True, unit="tile")
    with futures.ThreadPoolExecutor(args.workers) as executor:

        def worker(path):

            if path in skip:
                return None


            raster = rasterio_open(path)
            w, s, e, n = transform_bounds(raster.crs, "EPSG:4326", *raster.bounds)
            tiles = [mercantile.Tile(x=x, y=y, z=z) for x, y, z in mercantile.tiles(w, s, e, n, args.zoom)]
            tiled = []

            for tile in tiles:

                if cover and tile not in cover:
                    continue

                w, s, e, n = mercantile.xy_bounds(tile)

                warp_vrt = WarpedVRT(
                    raster,
                    crs="epsg:3857",
                    resampling=Resampling.bilinear,
                    add_alpha=False,
                    transform=from_bounds(w, s, e, n, width, height),
                    width=width,
                    height=height,
                )

                data = warp_vrt.read(
                    out_shape=(len(args.bands), width, height), indexes=args.bands, window=warp_vrt.window(w, s, e, n)
                )
                if data.dtype == "uint16":  # GeoTiff could be 16 bits
                    data = np.uint8(data / 256)
                elif data.dtype == "uint32":  # or 32 bits
                    data = np.uint8(data / (256 * 256))

                image = np.moveaxis(data, 0, 2)  # C,H,W -> H,W,C

                tile_key = (str(tile.x), str(tile.y), str(tile.z))
                if (
                    not args.label
                    and len(tiles_map[tile_key]) == 1
                    and is_nodata(image, args.nodata, args.nodata_threshold, args.keep_borders)
                ):
                    progress.update()
                    continue

                if len(tiles_map[tile_key]) > 1:
                    out = os.path.join(splits_path, str(tiles_map[tile_key].index(path)))
                else:
                    out = args.out

                x, y, z = map(int, tile)

                if not args.label:
                    tile_image_to_file(out, mercantile.Tile(x=x, y=y, z=z), image, ext=ext)
                if args.label:
                    tile_label_to_file(out, mercantile.Tile(x=x, y=y, z=z), palette, args.nodata, image)

                if len(tiles_map[tile_key]) == 1:
                    tiled.append(mercantile.Tile(x=x, y=y, z=z))


                progress.update()

            raster.close()
            return tiled

        for tiled in executor.map(worker, args.rasters):
            if tiled is not None:
                tiles.extend(tiled)

    total = sum([1 for tile_key in tiles_map.keys() if len(tiles_map[tile_key]) > 1])
    progress = tqdm(desc="Aggregate splits", total=total, ascii=True, unit="tile")
    with futures.ThreadPoolExecutor(args.workers) as executor:

        def worker(tile_key):

            if len(tiles_map[tile_key]) == 1:
                return

            image = np.zeros((width, height, len(args.bands)), np.uint8)

            x, y, z = map(int, tile_key)
            for i in range(len(tiles_map[tile_key])):
                root = os.path.join(splits_path, str(i))
                _, path = tile_from_xyz(root, x, y, z)

                if not args.label:
                    split = tile_image_from_file(path)
                if args.label:
                    split = tile_label_from_file(path)

                if len(split.shape) == 2:
                    split = split.reshape((width, height, 1))  # H,W -> H,W,C

                assert image.shape == split.shape, "{}, {}".format(image.shape, split.shape)
                image[np.where(image == 0)] += split[np.where(image == 0)]

            if not args.label and is_nodata(image, args.nodata, args.nodata_threshold, args.keep_borders):
                progress.update()
                return

            tile = mercantile.Tile(x=x, y=y, z=z)

            if not args.label:
                tile_image_to_file(args.out, tile, image)

            if args.label:
                tile_label_to_file(args.out, tile, palette, image)

            progress.update()
            return tile

        for tiled in executor.map(worker, tiles_map.keys()):
            if tiled is not None:
                tiles.append(tiled)

        if splits_path and os.path.isdir(splits_path):
            shutil.rmtree(splits_path)  # Delete suffixes dir if any

    if tiles and not args.no_web_ui:
        template = "leaflet.html" if not args.web_ui_template else args.web_ui_template
        base_url = args.web_ui_base_url if args.web_ui_base_url else "."
        web_ui(args.out, base_url, tiles, tiles, ext, template)
Exemple #3
0
def main(args):

    assert not (args.geojson is not None and args.pg is not None), "You have to choose between --pg or --geojson"
    assert len(args.ts.split(",")) == 2, "--ts expect width,height value (e.g 512,512)"

    config = load_config(args.config)
    check_classes(config)

    args.pg = config["auth"]["pg"] if not args.pg and "pg" in config["auth"].keys() else args.pg
    assert not (args.sql and not args.pg), "With --sql option, --pg dsn setting must also be provided"

    palette, transparency = make_palette([classe["color"] for classe in config["classes"]], complementary=True)
    index = [config["classes"].index(classe) for classe in config["classes"] if classe["title"] == args.type]
    assert index, "Requested type is not contains in your config file classes."
    burn_value = index[0]
    assert 0 < burn_value <= 255

    if args.sql:
        assert "limit" not in args.sql.lower(), "LIMIT is not supported"
        assert "TILE_GEOM" in args.sql, "TILE_GEOM filter not found in your SQL"
        sql = re.sub(r"ST_Intersects( )*\((.*)?TILE_GEOM(.*)?\)", "1=1", args.sql, re.I)
        assert sql and sql != args.sql, "Incorrect TILE_GEOM filter in your SQL"

    if os.path.dirname(os.path.expanduser(args.out)):
        os.makedirs(os.path.expanduser(args.out), exist_ok=True)
    args.out = os.path.expanduser(args.out)
    log = Logs(os.path.join(args.out, "log"), out=sys.stderr)

    tiles = [tile for tile in tiles_from_csv(os.path.expanduser(args.cover))]
    assert len(tiles), "Empty Cover: {}".format(args.cover)

    if args.geojson:
        zoom = tiles[0].z
        assert not [tile for tile in tiles if tile.z != zoom], "Unsupported zoom mixed cover. Use PostGIS instead"

        feature_map = collections.defaultdict(list)

        log.log("neo rasterize - Compute spatial index")
        for geojson_file in args.geojson:

            with open(os.path.expanduser(geojson_file)) as geojson:
                feature_collection = json.load(geojson)
                srid = geojson_srid(feature_collection)

                for i, feature in enumerate(tqdm(feature_collection["features"], ascii=True, unit="feature")):
                    feature_map = geojson_parse_feature(zoom, srid, feature_map, feature, args.buffer)

        features = args.geojson

    if args.sql:
        conn = psycopg2.connect(args.pg)
        db = conn.cursor()

        db.execute("""SELECT ST_Srid("1") AS srid FROM ({} LIMIT 1) AS t("1")""".format(sql))
        srid = db.fetchone()[0]
        assert srid and int(srid) > 0, "Unable to retrieve geometry SRID."

        features = args.sql

    if not len(feature_map):
        log.log("-----------------------------------------------")
        log.log("NOTICE: no feature to rasterize, seems peculiar")
        log.log("-----------------------------------------------")

    log.log("neo rasterize - rasterizing {} from {} on cover {}".format(args.type, features, args.cover))
    with open(os.path.join(os.path.expanduser(args.out), args.type.lower() + "_cover.csv"), mode="w") as cover:

        for tile in tqdm(tiles, ascii=True, unit="tile"):

            geojson = None

            if args.sql:
                w, s, e, n = tile_bbox(tile)
                tile_geom = "ST_Transform(ST_MakeEnvelope({},{},{},{}, 4326), {})".format(w, s, e, n, srid)

                query = """
                WITH
                  sql  AS ({}),
                  geom AS (SELECT "1" AS geom FROM sql AS t("1")),
                  json AS (SELECT '{{"type": "Feature", "geometry": '
                         || ST_AsGeoJSON((ST_Dump(ST_Transform(ST_Force2D(geom.geom), 4326))).geom, 6)
                         || '}}' AS features
                        FROM geom)
                SELECT '{{"type": "FeatureCollection", "features": [' || Array_To_String(array_agg(features), ',') || ']}}'
                FROM json
                """.format(
                    args.sql.replace("TILE_GEOM", tile_geom)
                )

                db.execute(query)
                row = db.fetchone()
                try:
                    geojson = json.loads(row[0])["features"] if row and row[0] else None
                except Exception:
                    log.log("Warning: Invalid geometries, skipping {}".format(tile))
                    conn = psycopg2.connect(args.pg)
                    db = conn.cursor()

            if args.geojson:
                geojson = feature_map[tile] if tile in feature_map else None

            if geojson:
                num = len(geojson)
                out = geojson_tile_burn(tile, geojson, 4326, list(map(int, args.ts.split(","))), burn_value)

            if not geojson or out is None:
                num = 0
                out = np.zeros(shape=list(map(int, args.ts.split(","))), dtype=np.uint8)

            tile_label_to_file(args.out, tile, palette, transparency, out, append=args.append)
            cover.write("{},{},{}  {}{}".format(tile.x, tile.y, tile.z, num, os.linesep))

    if not args.no_web_ui:
        template = "leaflet.html" if not args.web_ui_template else args.web_ui_template
        base_url = args.web_ui_base_url if args.web_ui_base_url else "."
        tiles = [tile for tile in tiles_from_csv(args.cover)]
        web_ui(args.out, base_url, tiles, tiles, "png", template)