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使用python获取谷歌卫星地图瓦片

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一个google地图卫星瓦片下载脚本 【python3】

不能用或者有问题可以私信、微信、邮件我：[email protected]

把leftTopPoint修改成你要下载的区域的左上角的经纬度
rightButtomPoint修改成你要下载的区域的右下角的经纬度
zoom改成缩放等级

需要安装requests库

1
pipx install requests

然后python3 filename.py就可以了

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import requests as req
import math
from time import sleep
from random import random
import os

def main():
    # 要下载区域的左上角的坐标【经度，纬度】
    leftTopPoint = [52, 50]
    # 要下载区域的右下角的坐标【经度，纬度】
    rightButtomPoint = [134, 12]
    # 缩放等级
    zoom = 10
    tileList = []
    # 这里定义要下载的缩放等级
    print("正在分析需要下载的瓦片")
    tileList = calcAllTile(leftTopPoint, rightButtomPoint, zoom)
    allCount = len(tileList)
    tileDownloadStatusList = [0] * allCount
    # print(len(tileDownloadStatusList))
    print("共计需要下载 {} 张瓦片，至少消耗约 {} Mb数据".format(allCount, allCount*10/1000))

    baseUrl = 'https://mt.google.com/vt/lyrs=y&x={}&y={}&z={}&hl=en'
    downloadCount = 0
    yiXiaZai = 0
    for tileIndex in range(0,allCount):
        tMessage = tileList[tileIndex].split('/')
        z = tMessage[0]
        x = tMessage[1]
        y = tMessage[2]
        currentImgUrl = baseUrl.format(x,y,z)
        # sleep(random()*1)
        tileDownloadStatusList[tileIndex] = downloadImg(currentImgUrl, tileList[tileIndex])
        yiXiaZai += 1
        print("当前进度： {} / {}".format(yiXiaZai, allCount))

        downloadCount += 1
        if downloadCount > 500:
            print("正在sleep(60), 防止被ban...")
            sleep(60)
            downloadCount = 0

    print('正在检查下载失败的图片：')
    faultImg = []
    for i in range(0, len(tileDownloadStatusList)):
        if tileDownloadStatusList[i] == 0:
            faultImg.append(tileList[i])
    print('下载失败的图片有：')
    print(faultImg)


def downloadImg(url, path):
    standardHeader = {
        "Accept": "text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,*/*;q=0.8",
        "Accept-Language": "en-US,en;q=0.5",
        "Connection": "keep-alive",
        "Referer": "https://map.google.com/",
        "User-Agent": "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:103.0) Gecko/20100101 Firefox/103.0",
    }
    res = ''
    try:
        res = req.get(url, headers=standardHeader)
    except:
        return 0
    if res.status_code == 200:
        f = open('./'+path+'.jpg', 'wb')
        f.write(res.content)
        f.close()
        print("{} 下载完成，请查看：{}".format(url, './'+path+'.jpg'))
        return 1
    else:
        return 0

def calcAllTile(leftTopPoint, rightButtomPoint, zoom):
    xMinTile, yMinTile = convertCoordinatesToTile(leftTopPoint[0],leftTopPoint[1], zoom)
    xMaxTile, yMaxTile = convertCoordinatesToTile(rightButtomPoint[0],rightButtomPoint[1], zoom)
    tileList = []
    base = str(zoom) + "/{}/{}"
    current_directory = os.getcwd()
    for xTile in range(xMinTile, xMaxTile+1):
        for yTile in range(yMinTile, yMaxTile+1):
            tileList.append(base.format(xTile,yTile))
            directory = os.path.join(current_directory, base.format(xTile, ''))
            os.makedirs(directory, exist_ok=True)
    # 此处用于重新下载未完成下载的tile，下载完成后将输出的下载失败的粘贴到这里，取消注释即可。
    # tileList = ['7/92/46', '7/97/59']
    # print(len(tileList))
    return tileList

def convertCoordinatesToTile(lon, lat, zoom):
    xtile = int(math.floor((lon + 180) / 360 * (1 << zoom)))
    ytile = int(math.floor((1 - math.log(math.tan(math.radians(lat)) + 1 / math.cos(math.radians(lat))) / math.pi) / 2 * (1 << zoom)))

    if xtile < 0:
        xtile = 0
    if xtile >= (1 << zoom):
        xtile = (1 << zoom) - 1
    if ytile < 0:
        ytile = 0
    if ytile >= (1 << zoom):
        ytile = (1 << zoom) - 1

    return xtile, ytile

def bye():
    print("\n\n同行你好，感谢使用我的脚本")
    print("如果你喜欢这个脚本，可以给个三连或者给\n 13598131990 打赏个午饭，谢谢")
    print("有问题也欢迎加我微信沟通")
    print("遥祝生活愉快，工作顺利")

def hello():
    os.system("clear")
    bye()
    print("\n\n下载将在数秒后开始\n\n")
    sleep(2)


if __name__ == '__main__':
    hello()
    main()
    bye()