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2753 Topics
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SentinelHub User
posted in Sentinel Hub
Error in QGIS plugin using service type WMTS

When I request a certain date with the QGIS plugin using WMTS I get wrong dates. It looks like it’s only showing the most recent image even though I select something from 2020. When I try WMS instead it works good. I haven’t experienced this bug until today, any ideas?

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SentinelHub User
posted in Sentinel Hub
Access multiple images in custom script?

Quick question, is the custom script function limited to the current image only or can it address other images in the archive for the same location? Thanks.

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SentinelHub User
posted in Sentinel Hub
SentinelHub configuration in google colab

I set up the configuration in google colab the same way I did in Jupyter Notebooks. !sentinelhub.config --instance_id " " !sentinelhub.config --sh_client_id " " !sentinelhub.config --sh_client_secret " " Yet when trying to download data I got the following error:

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SentinelHub User
posted in Sentinel Hub
EO-learn tutorial example

I’ve been testing EO-Learn package by trying to execute the jupyter notebook example SI_LULC_pipeline.ipyng you have in GitHub. The problem occurs when python code reaches cell 16. The messages are: At this point it seems that “disk_radius” argument defined in cell 14 is not understood by PointSamplingTask function. I’ve tried to remove this argument in cell 14 and the execution continues reaching the end of the jupyter notebook, but the results are clearly anomalous. Some ideas on solving this problem?

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SentinelHub User
posted in Sentinel Hub
Sentinel Low Image quality

The images I downloaded for my study area are of lower quality especially when I zoom it. And I follow all the steps. The file is 850MB. Help pls.

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SentinelHub User
posted in Sentinel Hub
Longer than 255 ERROR: character which might cause an error while saving on disk

I am getting the following error at the time of saving the data, is there any way to specify the dates itself while saving the file. ERROR: c:\users\rs01\appdata\local\programs\python\python36\lib\site-packages\sentinelhub\download.py:124: UserWarning: File path E:\Users\RS01\Desktop\output_images\Bamangadh\wcs_NDVI_EPSG4326_70.635042_21.619427_70.68621_21.652181_2019-08-24T06-03-02_10mX10m_Geometry_MULTIPOLYGON(((70.6668789999999921.623433,70.66616921.623678,70.66458421.622778,70.66417521.622685,70.66410721.622669,70.6628999999999921.622681,70.66187921.tiff is longer than 255 character which might cause an error while saving on disk ‘disk’.format(self.file_path)) Regards, sandeep

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SentinelHub User
posted in Sentinel Hub
Difference between tokens

My first critical question is if Keycloak token expires after a while, or can we use it for a long (or unlimited) time? And what is the difference between the Keycloak token and the token generated by the OAuth2Session of sentinelhub python? It seems the former (Keycloak) has much longer token string than the latter. And the token generated by OAuth2Session cannot be used instead of the Keycload token to get the data from cdse-public.

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SentinelHub User
posted in Sentinel Hub
WMS imagery service not displaying in ArcGIS Online new viewer

I have added the Sentinel Imagery as a WMS layer item in my AGOL account and am able to view the data in the old AGOL viewer but not in the new AGOL viewer. I have added https://services.sentinel-hub.com in the Trusted Servers and Allow Origins security settings in our AGOL account but that didn’t make a difference, still not showing up in the new AGOL viewer. I tried troubleshooting this with ESRI and they suggested this may have to do with the ArcGIS Javascript API version supported between the two AGOL map viewers, but not sure if that has anything to do with it or not. Happy to provide any additional information or details.

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SentinelHub User
posted in Sentinel Hub
EO Browser does not display the Earth map anymore

Hello,I have used EO Browser for a couple of years, but since maybe the end of July, the EO Browser input page does not display the Earth map anymore (previously, it used to display a zoom over the Rome area)What happened ? I’m using Chrome to navigatesee below the screen capture of my EO Browser page Thank you for your help, 

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SentinelHub User
posted in Sentinel Hub
Statistical vs Process APIs (processing unit cost)

Hi there! I’ve been using Process API for some time and it works great. Currently, I’m working on an ML model and looking for ways to reduce the costs of data fetching. The main difference between Process and Statistical APIs is that the former returns images/tiles whereas the latter stats about them (i.e. min/max etc). However, is there any significant difference in terms of PUs between those two APIs? Looking at the documentation it seems like there’s none unless I missed something? What’s the advantage of Statistical over Process API if I only need parcel stats? Is it only faster download? Thanks!

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SentinelHub User
posted in Sentinel Hub
Multiple Sentinel-2 L2A images missing in april 2018

Hi, I noticed that total of 168 out of 1580 L2A images were missing from aws in april 2018 for the area of Finland. There are both Sentinel-2A and Sentinel-2B images are among the missing ones. I haven’t checked the Copernicus OpenHub yet for those, but I guess that those are missing from there as well. I wonder if there is some explanation why some of the L2A images are still missing.Thank you, 

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SentinelHub User
posted in Sentinel Hub
Mosaic tool and request questions

Hello, I would like to know if it is possible to mosaic diferent sentinel images in this platform. In addition, in the pricing list appears that you have access to 20 requests per minute, one request means one sentinel image with 13 bands or that would be 13 request? Thank you.

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SentinelHub User
posted in Sentinel Hub
Inquiry Regarding the Calculation of Processing Units (PUs) with Batch Statistical API in Sentinel-hub

I’m writing to you today to seek clarification regarding the calculation of Processing Units (PUs) when retrieving Sentinel-2 satellite data using your Batch Statistical API. Firstly, I’d like to understand the PU calculation method when using a gpkg file that contains multiple polygons. Does the system compute the PUs per polygon and then aggregate them? For example, if we have four polygons (A to D), would the final PU calculation be an accumulation of the individual PUs from each polygon? (i.e., Total PU = PU of Polygon A + PU of Polygon B + PU of Polygon C + PU of Polygon D). Or, alternatively, does the system automatically create a bounding box (BBOX) that includes all polygons (A to D), and then calculates the PUs based on this encompassing polygon? Secondly, I am curious about how the data acquisition period impacts the PUs. For instance, when retrieving data for a polygon of 512 * 512 pixels, if there’s only one day of observation, I understand that the Multiplication factor fo

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SentinelHub User
posted in Sentinel Hub
SPOT ordering feedback

Hi,We are trying to search for and order SPOT data, but our queries return very few results compared to those shown in the airbus geostore. Possibly a similar problem as described here:https://shforum.sinergise.com/t/pleiades-cloud-coverage-filtering-and-apparently-missing-products/2196We go from having 20+ SPOT images for an AOI in 2020, to only one returned for the query results. This time I see no cloud cover explanation as to why some would not be in the living library…Our aoi is:(3.7523510938578246, 51.440960436302795, 3.7725417757314155, 51.46007448617943)Perhaps you can see what is going on.We will provide additional feedback as we continue testing!P.S. it would be useful if there was a SPOT example here:docs.sentinel-hub.comSentinel HubSentinel Hub is multi-spectral, temporal satellite imagery service for real-time processing of big remote sensing data.   

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SentinelHub User
posted in Sentinel Hub
Script consuming too many processing units

I am using the following script to download NDVI and GCVI data for field polygons. Each field has average size between 50 - 100 ha and the duration for which I am getting the data is 1 year. I have consumed about 70,000 processing units for nearly 2000 fields, which seems a bit excessive to me based on my previous experience with Sentinelhub statistical API. Can someone take a look at the script below and suggest any obvious issues in terms of speed (I realize that I can follow the reduce processing cost section here: Sentinel Hub Statistical API — Sentinel Hub 3.10.0 documentation) and am planning to look into that next: evalscript = """ //VERSION=3 function setup() { return { input: [{ bands:[ "B03", "B04", "B08", "CLD", "dataMask"]}],

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SentinelHub User
posted in Sentinel Hub
Maximum concurrent requests limit

Hello, I’m creating an application that needs to download all photos of a small area of interest over an entire month. I’m currently using one request per every day and I’m trying to run them concurrently. Problem is, first 5 requests finish at once after about 5 seconds, then another 5 finish after about 10 seconds and so on. At first I thought it was node.js limit of concurrent requests, but I’ve disabled it and the problem didn’t disappear, which leads me to believe the API itself is limiting the number of concurrent requests, but I didn’t find any info about that. Does anyone know what is happening? Should I go about fetching a lot of days at once in another way?

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SentinelHub User
posted in Sentinel Hub
Issues with SentinelAPI and CustomOAuth2Error after changing base website

Hello Sentinel Hub community, I’ve been using the SentinelAPI function from the sentinelsat package to download Sentinel images, and recently, I encountered an issue after the base website changed from “The Sentinels Scientific Data Hub” to “https://sh.dataspace.copernicus.eu”. I am consistently getting the following error: CustomOAuth2Error: ({'status': 400, 'reason': 'Bad Request', 'message': 'Illegal client_id', 'code': 'OAUTH_ERROR'}) I have updated the base URL in my code, but it seems like there might be an issue with the OAuth2 authentication. I’m using the correct credentials, and I have also verified that the client_id is correctly set.

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SentinelHub User
posted in Sentinel Hub
LinearInterpolation is implemented spatial-, temporal- or spatiotemporal-wise?

Hi, I use the LinearInterpolation from eolearn.features (and other techniques provided) in a t x m x n x b dataset. I play with the interpolate_pixel_wise boolean parameter. I expected that setting it to True would implement a pixel-wise temporal interpolation on the NaN values, while setting it to False would implement an image-wise spatial interpolation on the NaN values. However, the outcome of both settings seems pretty much the same and I’m almost sure it is a pixel-wise temporal interpolation. I think that I misunderstand the documentation of that.My questions are:Can someone explain the difference between the two settings? Is there an already implemented way to apply an image-wise spatial interpolation? Is there an already implemented way to apply a spatiotemporal interpolation?Thank you. 

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SentinelHub User
posted in Sentinel Hub
Sentinel 5P products

Hi. According to S5P products specifications (https://sentinel.esa.int/web/sentinel/technical-guides/sentinel-5p/products-algorithms) for NO2 and O3 there are both total column and tropospheric column information available. Can you please verify which one of these are available / presented in Sentinel Hub?

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SentinelHub User
posted in Sentinel Hub
Multiple questions for commercial data and fusion, process api and Planet comparison to decide on purchasing Sentinel plan

Hello! First of all, I’m sorry if this is the wrong category to ask this or if I should ask each question separately, but support team told me these questions would be better answered here than with sales or support team. Based on the docs, process API offers data fusion, meaning that if we also integrate Planet with your service, we will be able to use this feature to, for example, grab one Sentinel image and one Planet image to merge data and get NDVI or Moisture indexes. Am I correct? We are mainly interested in this because we need the Moisture index and for that we need the SWIR band which Planet doesn’t have, so our thinking was to combine the two of them to be able to obtain it. Making the exact same request to the API still counts as 1 request and the proportional amount of processing units corresponding to that request correct? My question is, we need to store/cache whatever we need since making the same request would result in more usage of the plan since you don’t cache o

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SentinelHub User
posted in Sentinel Hub
Cannot get Feature Info Service Chart' for Point from Custom Visualization with Script URL'

Hi, I am doing Custom Visualization with Script URL to Javascript file online (lets say https://test.test/test.js?1). Rendering works just fine. Then I would like to get “Feature Info Service Chart” for “Point of Interest”. I get the following error:Error: Error retrieving evalscript from url: https%3A%2F%2Ftest.test%2Ftest.js%3F1 You can repeat the same error no matter which URL address you input. It does not even matter if the script exists or not. I guess it is not possible for Visualization on the basis of Script URL to get "Feature Info Service Chart?

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SentinelHub User
posted in Sentinel Hub
Resolution of sentinel-1 different in EObrowser and on downloaded data

Hi, I’m working on sentinel-1 data, which I recovered using a SentinelHubRequest (see request here Sentinel-1 data access methods (x-cuben aws, ...) - #9 by julietteC). However I noticed that the resolution of the images I get is not the same as in EOBrowser (see pictures). I’m wondering if anyone could help me understand what could cause this and how to fix it ? Rq: I print my images using; ax.imshow(dataset[chosen_polarization].isel(time=idx), cmap=‘gray’) Thank you in advance !

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SentinelHub User
posted in Sentinel Hub
LANDSAT 8 processing information

Hello,I am looking for a specific data processing information regarding LANDSAT 8 EO product.Is the dataset you are providing Collection Level 1? It is hard to identify the dataset because link refferencing USGS under provided documentation site ( https://www.sentinel-hub.com/faq/how-can-i-access-data-landsat-8-quality-assessment-band ) has expired:https://landsat.usgs.gov/collectionqualitybandI have found some inforamtion on the USGS webpage and I would appreciate any confirmation:https://www.usgs.gov/land-resources/nli/landsat/landsat-level-1-processing-detailsThank you for any help, 

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SentinelHub User
posted in Sentinel Hub
How to obtain JSON file statistics

Hi everyone! I’m using sentinel Hub with a python API for statistics, and I’m trying to obtain the statistics inside my polygons. I know that it is possible to use the geometry parametrer…However, I don’t want to cite its coordinates, just attribute my JSON file for a variable and then cite this variable… My polygons are composed by many rings… Then it will be quite difficult to insert the coordinates one by one… Does Anyone know how to solve this question? If it is possible… Thanks very much, best wishes!

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SentinelHub User
posted in Sentinel Hub
Question about Asynchronous Processing API and Callback Integration for Sentinelhub

We are trying to integrate the Asynchronous Processing API and we have a question. Our service downloads historical satellite images from Sentinel, but it needs to stay listening for when a new image is available on Sentinel to index it. The problem is that every day we have to query Sentinelhub for each AOI to check if a new image has been indexed, which results in 7000 requests to Sentinelhub. My question is whether there is any type of “callback” integration where you can notify our server when there is a new result for a given task. Also, if I create a task in Sentinelhub with the following parameter: “data” : [ { “dataFilter” : { “timeRange” : { “from” : “2022-06-20T00:00:00Z”, “to” : “2022-06-30T23:59:59Z” } }, does the “to” parameter in the timeRange consider future dates? In other words, if I specify a date in the future and an image is indexed, will it be automatically uploaded to the S3 repository or do I need to create another query? Thank you very much!

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