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6 votes

Satellite image disappearing when zooming in

It's probably a missing tile. If that's the case, it has nothing to do with the fact that this is satellite imagery. It's because you're accessing remotely stored data that is broken up into tiles, ...
csk's user avatar
  • 24.9k
5 votes
Accepted

sentinelsat vs sentinelhub

Main difference is where data is downloaded from. Sentinelsat is a bit of code that grabs freely available data from the official Copernicus https://scihub.copernicus.eu/ (soon to be replaced by https:...
Mikkel Lydholm Rasmussen's user avatar
4 votes
Accepted

Constrast stretching Sentinel-2 L1C

If you check Sentinel-2 technical specifications, etc. S2 MPC Data Quality Report, you will find: The L1C product quantization value has been set to 10 000: a Digital Number (DN) of 10 000 ...
Grega M.'s user avatar
  • 774
4 votes
Accepted

Defining Affine transform with rasterio

If you do this: >>>import rasterio >>>dir(rasterio) ['Affine', 'Band', 'DatasetReader', 'Env', 'MemoryFile', 'NullHandler', 'Path', 'RasterioIOError', '__all__', '__builtins__', '...
xunilk's user avatar
  • 30k
3 votes
Accepted

Pixel value differences in image downloaded through STAC api & Sentinel hub api

I expect you are downloading a Sentinel 2 product published after January 2022. This is due to Sentinel 2 Processing Baseline breaking changes. Sentinel Hub harmonizes data across multiple different ...
Rok's user avatar
  • 146
3 votes

Google Earth Engine and Sentinel-2 L2A processing update

The harmonized sentinel-2 L2A collection is already on GEE now: https://developers.google.com/earth-engine/datasets/catalog/COPERNICUS_S2_SR_HARMONIZED
smile4lee's user avatar
2 votes
Accepted

Extraction of Cloud Coverage percentages of Sentinel 2 images

I suggest you try s2cloudless Python package: https://github.com/sentinel-hub/sentinel2-cloud-detector More info here: https://medium.com/sentinel-hub/sentinel-hub-cloud-detector-s2cloudless-...
Grega M.'s user avatar
  • 774
2 votes
Accepted

Calibration annotation data for Sentinel-1 images downloaded from Sentinel Hub?

If you want to get sigma-naught, you can use backscatter coefficient parameter (see https://docs.sentinel-hub.com/api/latest/#/API/data/Sentinel-1-GRD) or configure the Sentinel Hub layer accordingly:
Grega M.'s user avatar
  • 774
2 votes
Accepted

Seeking Sentinel L1C images (.SAFE) from 2015-2019 since no longer available on Copernicus Open Access Hub

you can still get Sentinel-2 L1C products here: https://peps.cnes.fr/rocket/ Select Collection: Sentinel-2 Single Tile" Processing Level: LEVEL1C
AndyB's user avatar
  • 802
2 votes
Accepted

Downloading Sentinel-1 VH time-series for polygon

Statistical API (FIS) is for sure the most convenient option. I suggest you create a new layer in Configuration utility, choosing the data source to be Sentinel-1 GRD, then writing this in the Script ...
Grega M.'s user avatar
  • 774
2 votes
Accepted

Request Sentinel1 data with sentinelhub API doesn't work

The error mentions there is a layer missing in the Sentinel Hub configuration you are using to perform a WMS request. See documentation on how to configure your account before using sentinelhub-py. If ...
Grega M.'s user avatar
  • 774
2 votes

sentinelsat vs sentinelhub

Sentinel Hub is a (payable, free trial available) API providing harmonized access to the Sentinel (and other) data, supporting sub-setting (e.g. choose only the small field), stiching (so that you do ...
Grega M.'s user avatar
  • 774
2 votes
Accepted

Authentification failed when using SentinelHub Plugin in QGIS

I believe the error at the bottom says it all, and would suggest you check that you have correct client_id and client_secret copied from your "User settings" page in the dashboard (https://...
matej's user avatar
  • 177
2 votes
Accepted

Get the correct transform from bounding box with Rasterio

You confused the height & width parameters and are passing them reversed. You use columns=height and rows=width when you should be using columns=width and rows=height. Change your code to: ...
user2856's user avatar
  • 66.4k
1 vote

Sentinel-1 radar data all zeros with Python SentinelHub API

The EW mode is quite rare, only available for specific regions, see the Sentinel-1 Observation scenario. If you want these specific type of data, you can e.g. find them here, for the same time period: ...
Grega M.'s user avatar
  • 774
1 vote

the main difference between using sentinel-hub API and free STAC API for getting to sentinel 2 images

If you just look at accessing sentinel-2 data there there doesn't seem to be much difference. But sentinel-hub is much more than just downloading data. It has cloud processing engine for processing of ...
hillsonghimire's user avatar
1 vote

Tile column and row number in GetTile request

You need to look at the TileMatrixSet which gives you the origin, the size of the tiles and how many there are. From that its fairly simple maths to work out the tile column and row numbers by ...
Ian Turton's user avatar
  • 81.8k
1 vote

Clipping in/with Sentinel Hub API

As Vince has said you cannot create a "perfect" circle using a raster as pixels are not circular. However, using the Sentinel Hub Process API, you can return an image with circular ...
William Ray's user avatar
1 vote
Accepted

Less data from Sentinel 1B

The Sentinel-1 observation scenario shows your where and how the earth is imaged with the S1 pair. https://sentinels.copernicus.eu/web/sentinel/missions/sentinel-1/observation-scenario As you can see,...
HDunn's user avatar
  • 8,656
1 vote
Accepted

Searching for images using instance_id instead bearer token in sentinel-hub service

You can make use of Sentinel Hub WFS service, which uses instance ID, rather than authentication token. That said, you will have to have a Sentinel Hub account (and subscription) to use this service.
Grega M.'s user avatar
  • 774
1 vote

SentinelHub WebFeatureService - finding the right tile from coordinates

Disclaimer: I work at Sinergise (company running the SentinelHub services and developing Python tools you mention) You might also have some more luck getting answers on a dedicated forum. The WFS ...
matej's user avatar
  • 177
1 vote

Problem in downloading specific bands of one Sentinel product

There is an issue with the original function as stated here https://github.com/sentinelsat/sentinelsat/issues/540#issuecomment-920883495 by Antonio Valentino. I was able to successfully download ...
chetan's user avatar
  • 55
1 vote
Accepted

Reproject NumPy ndarray without saving as TIFF

It seems that your code specifies the same CRS for src_crs and dst_crs. If you don't want to reproject to a different coordinate system, but just want to rasterio.open with the CRS information added, ...
AMA's user avatar
  • 442
1 vote
Accepted

Downloading all images in time interval with WMS getmap request

You will need to generate a series of requests one for each time period you require. Automation will probably be the best way to proceed, but since you haven't specified any programming language or ...
Ian Turton's user avatar
  • 81.8k
1 vote
Accepted

Sentinel-2 Hub & satellite imagery data format

Disclaimer: I work at Sinergise (company running the SentinelHub services and developing Python tools you mention) You might also have some more luck getting answers on a dedicated forum. The ...
matej's user avatar
  • 177
1 vote
Accepted

Sentinelsat: Error trying to download from Norweigan mirror colhub.met.no

I looks like the 'Online' field in OData is missing in the Norweigian mirror and this raises an error. Apparently this was resolved by setting the defaults to True in a recent bug. A temporary ...
Ruben FV's user avatar
  • 346
1 vote

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

Have you tried Sentinel Playground or EO Browser? Playground allows users to "fool around” with global archive of Sentinel-2 and Landsat-8, while eo-browser will give you even more datasets and some ...
matej's user avatar
  • 177
1 vote
Accepted

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

First of all, the Copernicus website is adequate, but not really user friendly - in my opinion. Sometimes you need a bit determiniation in order to get your desired images, especially when downloads ...
Erik's user avatar
  • 16.4k
1 vote

Changes in extent in sentinel image while calibration with snap tool

I believe your problem lies in the fact that you are using an SLC product. The IW mode is taken in the TOPS mode and requires TOPS processing. The process is to TOPS Split > Calibrate > TOPS Deburst. ...
user10853's user avatar
  • 131
1 vote
Accepted

sentinelsat Python API error in download

From #216: "The download_all method does not accept a DataFrame as input. However, you can use the index in the dataframe as a direct input to the download method." api.download_all(products_df.index)...
dave's user avatar
  • 107

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