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cutecore / google_map_satellite_download

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谷歌地图卫星影像下载,合并,导出geotiff工具

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google_map_satellite_download

0.1 开始

工作中需要使用无偏移的谷歌影像,发现市面上的影像下载工具如bigemap需要付费,或是有水印, 上家公司有影像下载工具,就想自己写一个。不是做GIS,对OpenCV、GDAL、Python也没有深入了解,见谅。

简单实现了下面三个功能:

  • 支持下载谷歌地图卫星影像散列瓦片
  • 支持下载谷歌地图卫星散列瓦片合并为一张png
  • 支持合并后图片转换为geotiff

0.2 使用

  1. 如果需要tiff,只需要使用main.py,便可下载并生成tiff

  2. 如果需要散列瓦片的方式,只需要使用download_title.py, 便可在nginx + leaflet中使用。

  3. 下载瓦片,需要能访问google服务器,请在代码中配置你的proxy

  4. 生成geotiff文件,需要GDAL,已经编译好的GDAL windows版本

0.3 download_title.py 的使用

if __name__ == '__main__':
    # 存储目录
    path = r"D:\map"
    # 下载范围的 左上点经纬度
    point_lt = Point(116.286476, 40.069985)
    # 下载范围的 右下点经纬度
    point_rb = Point(116.324707 ,40.054938)
    # 开始级别 
    level_start = 16
    # 结束级别
    level_end = 17

    for i in range(level_start,level_end+1):
        core(point_lt,point_rb,path,i)
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