def worker(tile): tick = time.monotonic() x, y, z = map(str, [tile.x, tile.y, tile.z]) os.makedirs(os.path.join(args.out, z, x), exist_ok=True) path = os.path.join(args.out, z, x, '{}.{}'.format(y, args.ext)) if os.path.isfile(path): return tile, True url = args.url.format(x=tile.x, y=tile.y, z=tile.z) res = fetch_image(session, url) if not res: return tile, False try: image = Image.open(res) image.save(path, optimize=True) except OSError: return tile, False tock = time.monotonic() time_for_req = tock - tick time_per_worker = num_workers / args.rate if time_for_req < time_per_worker: time.sleep(time_per_worker - time_for_req) progress.update() return tile, True
def tile(z, x, y): # Todo: predictor should take care of zoom levels if z != 18: abort(404) tile = mercantile.Tile(x, y, z) url = tiles.format(x=tile.x, y=tile.y, z=tile.z) res = fetch_image(session, url) if not res: abort(500) image = Image.open(res) mask = predictor.segment(image) return send_png(mask)
def tile(z, x, y): # Todo: predictor should take care of zoom levels if z != 18: abort(404) tile = mercantile.Tile(x, y, z) url = tiles.format(x=tile.x, y=tile.y, z=tile.z) res = fetch_image(session, url) if not res: abort(500) image = Image.open(res) mask = predictor.segment(image) return send_png(mask)
def tile(z, x, y): # Todo: predictor should take care of zoom levels if z != 18: abort(404) tile = mercantile.Tile(x, y, z) url = tiles.format(x=tile.x, y=tile.y, z=tile.z) res = fetch_image(session, url) if not res: abort(500) image = cv2.imdecode(np.asarray(bytearray(res.read()), dtype=np.uint8), cv2.COLOR_BGR2RGB) mask = predictor.segment(image) return send_png(mask)
def worker(tile): tick = time.monotonic() x, y, z = map(str, [tile.x, tile.y, tile.z]) os.makedirs(os.path.join(args.out, z, x), exist_ok=True) path = os.path.join(args.out, z, x, "{}.{}".format(y, args.ext)) if os.path.isfile(path): return tile, None, True if args.type == "XYZ": url = args.url.format(x=tile.x, y=tile.y, z=tile.z) elif args.type == "TMS": tile.y = (2 ** tile.z) - tile.y - 1 url = args.url.format(x=tile.x, y=tile.y, z=tile.z) elif args.type == "WMS": xmin, ymin, xmax, ymax = xy_bounds(tile) url = args.url.format(xmin=xmin, ymin=ymin, xmax=xmax, ymax=ymax) res = fetch_image(session, url, args.timeout) if not res: return tile, url, False try: image = Image.open(res) image.save(path, optimize=True) except OSError: return tile, url, False tock = time.monotonic() time_for_req = tock - tick time_per_worker = num_workers / args.rate if time_for_req < time_per_worker: time.sleep(time_per_worker - time_for_req) progress.update() return tile, url, True