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<p>我似乎被困在一个非常简单的任务上。我还在把脚趾伸进Python身上。你知道吗</p>
<p>我正在尝试使用SentinelHub API下载Sentinel 2图像:<a href="http://sentinelhub-py.readthedocs.io/en/latest/index.html" rel="nofollow noreferrer">SentinelHub</a></p>
<p>我的代码返回的数据结果如下:</p>
<pre><code>{'geometry': {'coordinates': [[[[35.895906644, 31.602691754],
[36.264307655, 31.593801516],
[36.230618703, 30.604681346],
[35.642363693, 30.617971909],
[35.678587829, 30.757888786],
[35.715700562, 30.905919341],
[35.754290061, 31.053632806],
[35.793289298, 31.206946419],
[35.895906644, 31.602691754]]]],
'type': 'MultiPolygon'},
'id': 'ee923fac-0097-58a8-b861-b07d89b99310',
'properties': {'**productType**': '**S2MSI1C**',
'centroid': {'coordinates': [18.1321538275, 31.10368655], 'type': 'Point'},
'cloudCover': 10.68,
'collection': 'Sentinel2',
'completionDate': '2017-06-07T08:15:54Z',
'description': None,
'instrument': 'MSI',
'keywords': [],
'license': {'description': {'shortName': 'No license'},
'grantedCountries': None,
'grantedFlags': None,
'grantedOrganizationCountries': None,
'hasToBeSigned': 'never',
'licenseId': 'unlicensed',
'signatureQuota': -1,
'viewService': 'public'},
'links': [{'href': 'http://opensearch.sentinel-hub.com/resto/collections/Sentinel2/ee923fac-0097-58a8-b861-b07d89b99310.json?&lang=en',
'rel': 'self',
'title': 'GeoJSON link for ee923fac-0097-58a8-b861-b07d89b99310',
'type': 'application/json'}],
'orbitNumber': 10228,
'organisationName': None,
'parentIdentifier': None,
'platform': 'Sentinel-2',
'processingLevel': '1C',
'productIdentifier': 'S2A_OPER_MSI_L1C_TL_SGS__20170607T120016_A010228_T36RYV_N02.05',
'published': '2017-07-26T13:09:17.405352Z',
'quicklook': None,
'resolution': 10,
's3Path': 'tiles/36/R/YV/2017/6/7/0',
's3URI': 's3://sentinel-s2-l1c/tiles/36/R/YV/2017/6/7/0/',
'sensorMode': None,
'services': {'download': {'mimeType': 'text/html',
'url': 'http://sentinel-s2-l1c.s3-website.eu-central-1.amazonaws.com#tiles/36/R/YV/2017/6/7/0/'}},
'sgsId': 2168915,
'snowCover': 0,
'spacecraft': 'S2A',
'startDate': '2017-06-07T08:15:54Z',
'thumbnail': None,
'title': 'S2A_OPER_MSI_L1C_TL_SGS__20170607T120016_A010228_T36RYV_N02.05',
'updated': '2017-07-26T13:09:17.405352Z'},
'type': 'Feature'}
</code></pre>
<p>你能解释一下我如何遍历这组数据并只提取“productType”吗?例如,如果有几个相似的数据集,它将只返回不同的产品类型。你知道吗</p>
<p>我的代码是:</p>
<pre><code> import matplotlib.pyplot as plt
import numpy as np
from sentinelhub import AwsProductRequest, AwsTileRequest, AwsTile, BBox, CRS
betsiboka_coords_wgs84 = [31.245117,33.897777,34.936523,36.129002]
bbox = BBox(bbox=betsiboka_coords_wgs84, crs=CRS.WGS84)
date= '2017-06-05',('2017-06-08')
data=sentinelhub.opensearch.get_area_info(bbox, date_interval=date, maxcc=None)
for i in data:
print(i)
</code></pre>