错误的网络连接

[cageyendy]

关于谷歌地图源，可以给出一些链接吗？ 我有一个坐标，19级的tile下载不下来。换了地图源还是不行 非常感谢

[cageyendy]

class Downloader(Thread): # multiple threads downloader def init(self, index, count, urls, datas, update): # index represents the number of threads downloading # count represents the total number of threads # urls represents the list of URLs nedd to be downloaded # datas represents the list of data need to be returned. super().init() self.urls = urls self.datas = datas self.index = index self.count = count self.update = update

def download(self, url):
    agents = [
        'Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/60.0.3112.101 Safari/537.36',
        'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/88.0.4324.150 Safari/537.36 Edg/88.0.705.68',
        'Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/63.0.3239.132 Safari/537.36 QIHU 360SE',
        'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_7_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/29.0.1547.76 Safari/537.36']
    HEADERS = {
        'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/88.0.4324.150 Safari/537.36 Edg/88.0.705.68'}

    err = 0

    # 当下载不了时，返回0
    while err < 4:
        try:
            HEADERS.setdefault('User-Agent', agents[err])
            header = ur.Request(url, headers=HEADERS)
            data = ur.urlopen(header).read()
        except:
            err += 1
        else:
            return data
    # raise Exception("Bad network link.")
    return 0

def run(self):
    for i, url in enumerate(self.urls):
        if i % self.count != self.index:
            continue
        # 当i==index时，才跳过continue继续往下运行
        if self.download(url) != 0:
            self.datas[i] = self.download(url)
            if mutex.acquire():
                self.update()
                mutex.release()
        else:
            self.datas[i] = 0

[cageyendy]

def main(left, top, right, bottom, zoom, name, wrongpath, filePath, style='s', server="Google China"): """ Download images based on spatial extent.

East longitude is positive and west longitude is negative.
North latitude is positive, south latitude is negative.

Parameters
----------
left, top : left-top coordinate, for example (100.361,38.866)

right, bottom : right-bottom coordinate

zoom：缩放等级
name:经纬度的txt文件绝对路径
wrongpath:存放下载不了的label的文件夹
filePath : File path for storing results, TIFF format

style :
    m for map;
    s for satellite;
    y for satellite with label;
    t for terrain;
    p for terrain with label;
    h for label;

source : Google China (default) or Google
"""
# ---------------------------------------------------------
# Get the urls of all tiles in the extent
urls = get_urls(left, top, right, bottom, zoom, server, style)

# Download tiles
datas = download_tiles(urls)

# 决定要不要整合数据
decision = 1

for index in range(len(datas)):
    # 只有当列表中存在0时，才改变decision的值
    if datas[index] == 0:
        decision = 0
if decision == 1:
    # Combine downloaded tile maps into one map
    outpic = merge_tiles(datas, left, top, right, bottom, zoom)
    outpic = outpic.convert('RGB')
    r, g, b = cv2.split(np.array(outpic))

    # Get the spatial information of the four corners of the merged map and use it for outputting
    extent = getExtent(left, top, right, bottom, zoom, server)
    gt = (extent['LT'][0], (extent['RB'][0] - extent['LT'][0]) / r.shape[1], 0, extent['LT'][1], 0,
          (extent['RB'][1] - extent['LT'][1]) / r.shape[0])
    saveTiff(r, g, b, gt, filePath)
else:
    shutil.copy(name, wrongpath)