土地覆盖产品批量下载（GLC_FCS30 、Esri_GLC10、 ESA_GLC10 、FROM_GLC10）

手动下载全球数据比较困难，本文提供批量化下载这些土地覆盖产品的Python代码。包含GLC_FCS30 、Esri_GLC10、 ESA_GLC10 、FROM_GLC10

FCS_GLC30

刘良云、张肖老师团队制作，提供了非常便捷的下载方式。

https://data.casearth.cn/dataset/6123651428a58f70c2a51e49#filesArea

import os

import requests
from tqdm import tqdm


def get_all_image_list():
    get_image_list_url = r'https://data.casearth.cn/api/dataset/getAllFileListBySdoId?sdoId=6123651428a58f70c2a51e49'
    response = requests.get(
        url=get_image_list_url
    )
    data = response.json()['data']
    return data


def download_one_file(url, filename, save_dir="./downloads"):
    os.makedirs(save_dir, exist_ok=True)

    try:
        # 获取文件名
        file_path = os.path.join(save_dir, filename)

        # 下载图片
        response = requests.get(url, stream=True)
        response.raise_for_status()  # 检查请求是否成功

        # 保存图片到本地
        with open(file_path, "wb") as file:
            for chunk in response.iter_content(chunk_size=8192):  # 分块写入文件
                file.write(chunk)

        return os.path.abspath(file_path)

    except requests.exceptions.RequestException as e:
        raise Exception(f"下载失败: {e}") from e
    except Exception as e:
        raise Exception(f"保存文件失败: {e}") from e


if __name__ == '__main__':
    # TODO: 修改为自己的用户名
    username = 'user'

    image_list = get_all_image_list()
    for it in tqdm(image_list):
        file_name = it['file_name']
        id = it['id']
        down_url = fr'https://data.casearth.cn/api/file/downloadOneFile?fileId={id}&username={username}'
        download_one_file(down_url, file_name, save_dir="./downloads")

–未完待续–