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2734 Topics
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SentinelHub User
posted in Sentinel Hub
Sentinel 2 L2A image quality - how to remove these whitish hue / artifacts along the fringes of the limestone/karst/ rocky landscapes

This image is practically cloud free (0.00004%), but as you can see there is this cloudy white hue around the limestone cliffs which makes this image practicly useless. DOS-1 Atmospheric correction didn’t manage to remove these strange artifacts. Anyone knows what it is? I never had any problems with Sentinel 2 images, prior of moving the Sentinel data to the copernicus.eu website. I never seen these artifacts before around rocky landscapes when i downloaded from Earth explorer.

197
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6 months ago
S
SentinelHub User
posted in Sentinel Hub
MODIS data for August 2019

Hi all, I seems that there is no MODIS data for August 2019 available. Neither in SentinelHub playground, nor in FIS or WMS web services. Is there a reason for this or did I miss something ? Thank you,

1223
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6 months ago
S
SentinelHub User
posted in Sentinel Hub
Multiple Planet API keys

Hello Sentinel team! Besides using Sentinel Hub for Sentinel, Landsat and Planet imagery we started working with Planet so there’s a change in the neat future we would have a Planet API key directly from them besides the one we have with you. There are a couple of current and potential big clients that also have their own Planet API key. All this raises the following question: Are we able to manage multiple Planet API keys? As long as we use the correct API key when creating subscriptions, even if we put those subscriptions in same or different collections, we would have all the imagery available correct? Is there anything else we should take into account? Extra question not super related to this one. We are finishing our first year of subscription with Planet quota. When we purchase a new quota package, all the AOI subscriptions will continue? If so, that means that if I don’t want the same I need to stop those subscriptions first if not I will get part of my quota consumed immediatel

410
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6 months ago
S
SentinelHub User
posted in Sentinel Hub
Sentinel-2 pixels are rectangular

I download the images with the following script to get DN values. //VERSION=3 function setup() { return { input: [{ bands: ["B01", "B02", "B03", "B04", "B08", "B05", "B06", "B07", "B8A", "B11", "B12"], units: "DN" }], output: { bands: 4, sampleType: "INT16" } }; } function evaluatePixel(sample) { return [sample.B01, sample.B02, sample.B03, sample.B04, sample.B05, sample.B06, sample.B07, sample.B08, sample.B8A, sample.B1972, sample.B12]; } resulting true colour images in QGIS: I am not sure why, although the CRS is the same as the downloaded response.

19
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6 months ago
S
SentinelHub User
posted in Sentinel Hub
Sentinelhub package - Searching a area of interest

Hi! Just arrived here, don’t hesitate to tell me if I’m doing things wrong. Question 1: With the Sentinelhub package, is there a way to search for images intersecting a certain area (not a bbox) of interest before downloading them ? Question 2: Still with the Sentinelhub package, is there a way to preview images footprints before downloading them ? Thanks !

45
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6 months ago
S
SentinelHub User
posted in Sentinel Hub
GetFeatureInfo url

Hello everybody, I am trying to create a url query for GetFeatureInfo but not getting it. Does someone have an example?

03
S
6 months ago
S
SentinelHub User
posted in Sentinel Hub
Message Tile Missing Exception

I’m getting the error message when trying to download images from Sentinel 2 (L1C), as of 07/11/2018. If run: sentinelhub.aws --tile *T22KGV 2018-11-21 return:File “/home/user/.local/lib/python3.6/site-packages/sentinelhub/aws.py”, line 542, in get_aws_indextile_info_list = get_tile_info(self.tile_name, self.datetime, all_tiles=True)File “/home/user/.local/lib/python3.6/site-packages/sentinelhub/opensearch.py”, line 70, in get_tile_inforaise TileMissingExceptionsentinelhub.opensearch.TileMissingException Other cases: product_id S2B_OPER_MSI_L1C_TL_SGS__20181130T171242_A009059_T22LBM_N02.07 S2B_OPER_MSI_L1C_TL_EPAE_20181201T133758_A009073_T23MMM_N02.07 S2B_OPER_MSI_L1C_TL_SGS__20181121T150733_A008930_T22KGV_N02.07 S2A_OPER_MSI_L1C_TL_SGS__20181129T150953_A017953_T22KGF_N02.07 S2B_OPER_MSI_L1C_TL_SGS__20181127T151333_A009016_T22KDE_N02.07 S2A_OPER_MSI_L1C_TL_SGS__20181129T150953_A017953_T22KFE_N02.07 S2A_OPER_MSI_L1C_TL_SGS__20181129T150953_A017953_T22KFU_N02.07 S2B_OPER_MSI_L1C_TL_SGS_

14
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6 months ago
S
SentinelHub User
posted in Sentinel Hub
NDWI Calculation for Landsat Images from 1985 to present

I am studying water changes on lakes and I am need to calculate the NDWI for my control lake in 1987, 2000 , 201972, 2015, 2017 and 2019. I will be suing the Amazon Open Data Program to store and process my images and to calculate the NDWI. I know that the latest Sentinel -2 calculates NDWI for images but I need to develop a methodology using Landsat and Sentinel in order to estimate Water area reduction for lakes around the world. Any Ideas of where to start…

21
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6 months ago
S
SentinelHub User
posted in Sentinel Hub
How to download high quality photos?

Good day everyone. Excuse me in advance if I ask something simple. I am a newbie. And my English is not very good. I paid for the Intelligence service package and I need to upload some high-quality photos. The satellite finds them, but the button is not active at the stage of paying for the order. I watched the original video, but it didn’t help. Thank you all for your help.

72
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6 months ago
S
SentinelHub User
posted in Sentinel Hub
Clearer Images?

We currently have a Basic license and use Sentinel L2A to retrieve images for given locations as we need relatively frequent image updates. The issue we’re having is the clarity of those images at 30m. Is there an option to get clearer images, even at a longer update timescale, so not having updates every 5 days as a trade-off for a clearer image? Or do we need to purchase so additional add-on to achieve this? Thanks

136
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6 months ago
S
SentinelHub User
posted in Sentinel Hub
Download raw band

Hello To download Sentinel 2 raw band images, we suggest choosing another method (custom scripts) to delete pixels without data. It is not right to convert the raw image band into two bands! This makes it difficult for those who have designed and manufactured their algorithms on a single raw band basis. Please solve this problem or leave the download of this feature as the user chooses

02
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6 months ago
S
SentinelHub User
posted in Sentinel Hub
Sentinel 1 acquisitions misaligned

Thanks in advance for any feedback. Sentinel 1 acquisitions on the same track over the same area at successive times (12 days apart) the one swath is skewed. Seems as if the skewing started in July 2019 and ended by February 2020. After February 2020 the swaths went back to being rectangles like they were before July 2019. Swaths in image from snap: S1A_IW_SLC__1SDV_20190625T164639_20190625T164706_027838_032491_C852 S1A_IW_SLC__1SDV_20190707T164640_20190707T164707_028013_0329E7_3559 I’m hoping someone can help me since this seems to be the cause of my time-series sub-regions being misaligned. Is this likely to happen or is this a problem with the meta-data in the acquistrions?

01
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6 months ago
S
SentinelHub User
posted in Sentinel Hub
Strange result from API

Hello! I am using SentinelHUB python API to get the data for AOI. The result is strange as follow: I wonder if I am doing something wrong or what?! I should also mention that for other areas the result is OK. Interestingly, others have done for the same area with the same interval and the result is fine. evalscript_true_color = “”" //VERSION=3 function setup() { return { input: [{ bands: [“B02”,“B03”,“B04”,“dataMask”] }], output: { bands: 3 } }; } let minVal = 0.0; let maxVal = 0.4; let viz = new HighlightCompressVisualizer(minVal, maxVal); function evaluatePixel(samples) { let val = [samples.B04, samples.B03, samples.B02]; val = viz.processList(val); val.push(samples.dataMask); return val; } """ request_true_color = SentinelHubRequest( data_folder='./outputs', evalscript=evalscript_true_color, input_data=[ SentinelHubRequest.input_data( data_source=DataSource.SENTINEL2_L2A, time_interval=('2020-04-01', '2020-06-30'),

04
S
6 months ago
S
SentinelHub User
posted in Sentinel Hub
How to download a tiff using a particular identifer

I am quite new here, I have been trying to learn. Can someone help me to download sentinel 1 images using an identifier , i.e., “S1A_IW_GRDH_1SDV_20170829T002620_20170829T002645_018131_01E74D_D734.SAFE”

04
S
6 months ago
S
SentinelHub User
posted in Sentinel Hub
WMSRequest TYPENAME=S2.TILE for SENTINEL 5P data

Hi there, I am trying to access with my python scripts data from Sentinel5P (in particular, NO2 products). I am using the same syntax as in the tutorials, with Sentinel2, that is: three_band_req = WmsRequest(layer=“NO2”, bbox=canary_bbox,* time='latest',* width=512,height=856,* instance_id=INSTANCE_ID)* But i keep obtaining a 400 client error, with the typename error: “TYPENAME=S2.TILE not found!” This rises a couple of questions. Does that S2.TILE refer to Sentinel2? If that is the case, how can I refer in my data to Sentinel5P products? The INSTANCE_ID corresponds to one with a configuration of Sentinel5P, but I wonder if maybe I have to edit some other parameter of the function ‘wmsRequest’ to explicitly refer to S5P. In case S2.TILE does not refer to Sentinel2 products, how can I solve this issue? Thanks in advance and kind regards, Ignacio

16
S
6 months ago
S
SentinelHub User
posted in Sentinel Hub
FIS GIBS data download

Hi, can I use FIS service to download GIBS VIIRS SNPP Corrected Reflectance data set? Best, Tomaz

01
S
6 months ago
S
SentinelHub User
posted in Sentinel Hub
Suscribe no work

Good morning, I am trying to do subscription to coordination. It is work in some and another one no. Example of coordination that doesn’tt work. It is: {"id":361,"fechaInicio":"2022-01-01","poligono":[[-4.7955738,37.2924826],[-4.7953807,37.2812663],[-4.7828065,37.2813347],[-4.783064,37.2924997],[-4.7955738,37.2924826]]} from oauthlib.oauth2 import BackendApplicationClient from requests_oauthlib import OAuth2Session import datetime #"2021-04-25T00:00:00.000Z" #"2022-09-09T00:00:00.000Z" class Suscripcion: def __init__(self,js): self.idParcela=js["name"] self.fechaIni=datetime.datetime.strptime(js["input"]["data"][0]["dataFilter"]["timeRange"]["from"][0:10],"%Y-%m-%d") self.poligono=js["input"]["bounds"]["geometry"]["coordinates"][0] @classmethod def autentificarse(cls): # Your client credentials client_id = '' client_secret = '' # Create a session client = Bac

21
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6 months ago
S
SentinelHub User
posted in Sentinel Hub
Failure to update Sentinel 5 data

Unfortunately, once again the Sentinel 5 data is not updated and this is very bad. Please fix this issue

02
S
6 months ago
S
SentinelHub User
posted in Sentinel Hub
Only one pin, can i add more?

hello there, im using the true color filter, and whenever i add a pin it removes the previous one and just updates its place, where i want to add a new pin and give it a new name, is there something to do about this? thank you.

126
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6 months ago
S
SentinelHub User
posted in Sentinel Hub
Modify Maximum sensing time PlanetScope / timeRange.to

Hi, I noticed that the images of planetscope for this week were empty, so I checked my planetscope subscription and saw that there was a maximum sensing time (last week). When I setup the request builder for my area I left the ‘timeRange.to’ date empty. What will happen if I delete my running subscriptions (well, they are finished now) and my quota? Will I have to topup again? Can I instead adjust the maximum sensing time in my collection?

02
S
6 months ago
S
SentinelHub User
posted in Sentinel Hub
S2 L2A - Select less cloudy patches of an Area Of Interest over a time interval

Hi there, I am a new to sentinel hub and a bit lost with the whole ecosystem. I am a python developer and I was wondering if I can select less cloudy patches of an Area Of Interest over a time interval. I didn’t find this in sentinelhub-py & eo-learn documentation. For example, I would like to get a Sentinel-2 L2A tiff file for a country composed by the less cloudy EOPatch found over a time interval of 2 months. Thank you for your help

21
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6 months ago
S
SentinelHub User
posted in Sentinel Hub
Alert for new image in a given area

Hello, Is there a way to get an e-mail alert from Sentinel Hub when a new Sentinel-1 image is available in a given area ? Julien

01
S
6 months ago
S
SentinelHub User
posted in Sentinel Hub
400 Client error for request generated by sentinel-hub library

I am again experiencing the error I reported here: Repeatable (retry always fails) HTTP 500 errors for certain dates Bugs & Features I am running large numbers of WCS requests through the EO-learn library. I request LAI time series data for areas of 0.1-10 hectare land parcels for ca. 6 month time intervals. Occasionally (ca. 1% of the time), the EO learn workflow.execute() call will fail because of a HTTP error: “DownloadFailedException: During execution of task S2L2AWCSInput: Failed to download from: https://services.sentinel-hub.com/ogc/wcs/?SERVICE=wcs&BBOX=660977.0343447%2C5689713.093569177%2C661295.2431077849%2C56900… The only difference, I get the error code 400 not 500. The code I use is the same as in the above linked topic. The following request (generated by the sentinel-hub library) fails: During execution of task S2L2AWCSInput: Failed to download from:https://services.sentinel-hub.com/ogc/wcs/<instance_id>?SERVICE=wcs&BBOX=6

13
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6 months ago
S
SentinelHub User
posted in Sentinel Hub
Global surface water

I would like to download the Global Surface Water product (https://collections.sentinel-hub.com/global-surface-water/) to mask Sentinel 3 data over rivers. But I couldn’t find it in the datacollection from sentinelhub import DataCollection Is there another way to access the data with the API?

25
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6 months ago
S
SentinelHub User
posted in Sentinel Hub
Sentinel-1 SAR imagery may need filtering

Dear forum SENTINEL HUB is a great product indeed but I was wondering if the Sentinel-1 SAR GRD VV [db] orthorectified images available are filtered for speckle using e.g. a 5x5 Lee Filter and/or a 3x3 median filter? all S-1 SAR VV [db] orthorectified imagery I have browsed so far on the app appear grainy - and as a result, in my opinion, of little use. Below a quick example between a SNAP processed S-1 SAR image and the same image offered by SENTINEL HUB - if you ignore the land mask, and only look at the brightness difference over the ocean, the difference is evident. Is it possible for SENTINEL HUB to either filter the S-1 SAR images offered as VV in db or add another layer for the users? Thanking you in advance for your valuable help.

02
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6 months ago
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