Questions tagged [sentinel-hub]
A remote sensing and earth observation platform for Copernicus programme data products
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Seeking Guidance on Monthly Flood Index Data for Impact Assessment in Sierra Leone [closed]
I am currently working on a project aiming to assess the potential impact of floods on vaccination completion rates from 2017 to 2019 in Sierra Leone.
To achieve this, I'm in need of high-quality ...
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0
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16
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How Sentinel Hub's get image by specific date works
I know how to specify date, when creating request in Sentinel Hub. But some areas come back as just black or white polygons. Does it mean that SH does not have images for those dates? And if it does ...
1
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1
answer
33
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Tile column and row number in GetTile request
I try to configure WMTS for SentinelHub layers. I need to set tile rows and tile columns in GetTile request. Cannot understand how to match real coordinates (EPSG 4326 or EPSG 3857) with appropriate ...
2
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1
answer
193
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Clipping in/with Sentinel Hub API
Is it possible clipping a Sentinel-2 image from Sentinel Hub with circular boundaries?
In Sentinel Hub documentation, I only found support to Bound Box (BBox) AOI that close an image in a retangular ...
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48
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How to download imagery data of a large area?
We are trying to prepare a flight environment using sentinel-2 satellite data for flight simulation. First of all, we download the ground terrain data with QGIS, srtm-downloader plugin. Then we export ...
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0
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37
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Geoserver: sudden change in NODATA values for GetMap requests
I have a Geoserver v2.21.0 where 14-bands raster images from Sentinel 2, corresponding to temporal series of the same geographical sectors, are stored so they can be requested by other services. The ...
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68
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Issues implementing data fusion in EO Browser
I am trying to implement this custom script for flood mapping in EO Browser. I have added the datasets using the additional datasets button, and specified the required timelines, but I keep getting ...
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0
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47
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Size of area in Web Mercator
I downloaded a satellite image from Sentinel Hub. I requested a 10,000 x 10,000m image in Web Mercator (EPSG:3857).
Here is a piece of code that I use:
bbox = BBox(bbox=[x, y, x + 10000, y + 10000], ...
- 111
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0
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417
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Sentinel-2 unable to handle this request
I have been utilising the API Hub to access Sentinel-2 data. The script I am using is from the Sentinelsat documentation here and has worked for all images I have required except for ...
- 43
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1
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124
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Less data from Sentinel 1B
I am trying to access Sentinel 1 data from Google Earth Engine. For my study area which is a part of the Himalayan region I am getting only few data from Sentinel 1B for the year 2019 and I am not ...
0
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1
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155
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Pixel value differences in image downloaded through STAC api & Sentinel hub api
I downloaded same tile from AWS & Sentinel API. I compared pixel values for both and they differ by 1000.
For example, consider red band.
The value at 0,0 (row,column) for the image from Sentinel ...
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105
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LANDSAT-7 strange strip on SWIR bands (B5 and B7)
I was exploring Landsat 7 data on SentinelHub and came across with this strange strip in the SWIR band B7 (also B5):
By placing a pin in this strip and exploring the stats, I found that there is no ...
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2
answers
636
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Google Earth Engine and Sentinel-2 L2A processing update
As of 25-January-2022 ESA has updated its processing baseline for Sentinel-2
Therefore, Sentinel-2 L2A Bottom of Atmosphere (BOA) reflectance (L2A_BOA) should be retrieved using L2A_BOAi = (L2A_DNi + ...
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69
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Searching for images using instance_id instead bearer token in sentinel-hub service
When searching for images in sentinel-hub, can I search for images (in browser address line) using INSTANCE_ID instead bearer token (acquired after authentication)?
I'm asking it aiming avoid various ...
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1
answer
263
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SentinelHub WebFeatureService - finding the right tile from coordinates
I'm trying to obtain satellite data for given coordinates by AWS, following tutorial here:
https://sentinelhub-py.readthedocs.io/en/latest/examples/aws_request.html
What I'm getting is multiple tiles, ...
0
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1
answer
559
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Problem in downloading specific bands of one Sentinel product
I'm working on developing software through it user can upload a .shp file containing some areas and see the NDVI as a WMS layer on map. To achieve this, at first step, after uploading spatial data by ...
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1
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594
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Reproject NumPy ndarray without saving as TIFF
I have NumPy ndarray with shape (1063,2116,12) (has 12 bands).
The ndarray has non geographical data, but I do have its' transform affine and the crs. I want to give this geographical data to the ...
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1
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Get the correct transform from bounding box with Rasterio
I have image as numpy array with no projection or geographical data and I have information of the bouding box of this numpy array (the image suppose to match perfectly the bbox).
The bbox is ...
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0
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1
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549
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How to fetch multiple images using Sentinel-Hub's EO Browser Custom script?
I'd like to use the floods Sentinel-hub Playground custom script in EO Browser so that I may download the result as geoTiff. https://github.com/sentinel-hub/custom-scripts/tree/master/sentinel-1/...
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847
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Plotting high latitude bounding box using cartopy
I have used the sentinelhub python api to download a Sentinel-1 scene corresponding to the north coast of greenland where a bounding box defined by lon-lat is highly distorted. I have tried a few ...
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1
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343
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Sentinel-1 radar data all zeros with Python SentinelHub API
I am requesting Sentinel-1 SAR data but rather than throwing an error the code is just returning zeros.
My request:
bbox = BBox([-145.8, 60.96, -146.5, 61.38], crs=CRS.WGS84)
bbox_size = ...
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1
answer
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Defining Affine transform with rasterio
I have transform vector that I have gotten from bbox with sentinelhub:
transform=bbox.get_transform_vector(10,10)
>>>
(-101.7359960059834, 10.0, 0, 20.8312118894487, 0, -10.0)
The type of ...
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1
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384
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Request Sentinel1 data with sentinelhub API doesn't work
I'm trying to acess Sentinel1 images using sentinelhub API with Jupyter lab notebook.
I'm getting error messages and I don't understand why I get them.
This is how I try to acess umages with IW (as ...
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2
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529
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1
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1
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385
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Authentification failed when using SentinelHub Plugin in QGIS
I downloaded SentinelHub v2 plugin into QGIS 3.14.
When I want to log in with my ID (from SentinelHub / Configuration Utility / ID) it says "Authentification failed, check your credentials"....
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1
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300
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Downloading all images in time interval with WMS getmap request
I'm trying to download sentinel-2 satellite images from sentinel-hub (https://www.sentinel-hub.com/) via WMS requests. The request allows me to specify a time interval with the time parameter but the ...
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2
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0
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366
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Slow download speeds from Copernicus?
I'm downloading Sentinel 3 and 5p data using the dhusget.sh script provided here:
https://scihub.copernicus.eu/twiki/do/view/SciHubUserGuide/BatchScripting?redirectedfrom=SciHubUserGuide....
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1
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103
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Seeking Sentinel L1C images (.SAFE) from 2015-2019 since no longer available on Copernicus Open Access Hub
I am looking for Sentinel images from before 2019 in L1C quality and .SAFE format, as I want to correct them with sen2cor in SNAP to convert them to L2A quality.
Where can I find them now that they ...
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1
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186
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Downloading Sentinel-1 VH time-series for polygon
from sentinelhub import FisRequest, Geometry, CRS
time_interval = (start_date.strftime("%Y-%m-%d"), end_date.strftime("%Y-%m-%d"))
fis_request = FisRequest(layer=XXX,
...
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1
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532
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Sentinel-2 Hub & satellite imagery data format
I acquire the raw JP2 imagery files from the Sentinel-2 project. Let's say I've selected a tile for a given sampling period and band (e.g. B01). Then, after using Python tools provided from here, I ...
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21
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Obtaining Sentinel raster for API [duplicate]
I need to download some Sentinel images from scihub-Copernicus to use them on an application.
Does anyone know how to obtain the sentinel raster for a region (I have the polygon coordinates) using ...
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0
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239
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Calculation of TOA radiance from Sentinel-2 1C product reflectance
I was trying to convert the Sentinel-2 1C product to radiance and came across two links first once says
radiance = ((pixelValueBandX * cos(incidenceAngle) * solarIrradianceBandX) / (pi * d2)) / ...
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1
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Satellite image disappearing when zooming in
I'm trying to get a satellite image using the SentinelHub plug in.
This works, however, when I zoom in to make my other layers clearer (roads etc.) the satellite image disappears and the background ...
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1
answer
256
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Calibration annotation data for Sentinel-1 images downloaded from Sentinel Hub?
I received some Sentinel-1 tiff images that were downloaded via the WCS service, so they're just the tiff files, not the full SAFE-format products. They're for the IW GRD product, and my ...
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286
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Sentinelsat: Error trying to download from Norweigan mirror colhub.met.no
I am trying to download the Sentinel 2 images over an area of Western Norway. Since the ESA archive is very slow, I am trying to use the Norwegian mirror for Sentinel instead (https://colhub.met.no/#/...
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0
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Zooming in to area using 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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0
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234
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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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190
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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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2
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407
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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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1
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340
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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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197
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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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898
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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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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 ...
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