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Geographic Information Systems

Questions tagged [sentinel-hub]

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A remote sensing and earth observation platform for Copernicus programme data products

10 questions
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Sentinel2 | Searching for tail by polygon

I use Python with the following directories: sentinelsat SentinelAPI read_geojson geojson_to_wkt I have a GeoJSON file that contains the coordinates of the location I'm looking for. I try to get ...
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How do I zoom in to an area using the Copernicus Open Access Hub?

I can pan but I cannot zoom in when using the Copernicus Open Access Hub. This makes it difficult to order data. I need to know how to zoom in on an area. I know how to zoom to a product. ...
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63 views

How to add footprint parameter into ODATA API query (Sentinel-hub search)?

As mentioned in the FAQ about OData API usage I can perform such queries to search Sentinel-2 scenes: https://scihub.copernicus.eu/dhus/odata/v1/Products?$format=json&$filter=startswith(Name,'S2')...
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Extraction of Cloud Coverage percentages of Sentinel 2 images

I have to download S2A images over a large area from 2016 March to 2019 January. Before start downloading data, first I want to know cloud coverage percentages of all the images over this period. Is ...
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How to detect cloud's shadows with Sentinel2/SentinelHub?

I'm trying to detect clouds and their shadows on Sentinel2 images with SentinelHub service. For clouds detection, SentinelHub team has developed a good tool but I would like to detect cloud's shadow ...
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2answers
65 views

How to get latest picture of my city from sentinel 2?

I was trying to get latest picture of my city from Sentinel 2, but had no success. I have registered on Copernicus website, found my city and drew a square around it. Then I clicked the "search" icon, ...
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1answer
51 views

Filter sentinel 2 images that have empty areas

When trying to download a clipped area from the sentinelhub API python library, it returns images from 2 different orbits: One that passes right on top (Right pic), and the image is full, and a orbit ...
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1answer
44 views

Changes in extent in sentinel image while calibration with snap tool

i have a problem with the extents of my sentinel 1 image, actually as shown in the image above, am selecting the frame 1 to download from ESA, when i process the snap tool to calibrate i only get the ...
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1answer
237 views

sentinelsat Python API error in download

I am having a go at using the sentinelsat python API to download satellite imagery. However, I am receiving error messages when I try to convert to a pandas dataframe. This code works and downloads my ...
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1answer
220 views

Constrast stretching Sentinel-2 L1C

I've just read the new post at Medium about Sentinel-2 color correction with Sentinel Playground. It says that The default gain factor is set to 2.5, which corresponds to white-point reflectance of ...