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Sentinel Hub

Sentinel Hub, powered by Planet Labs, allows you easily perform spectral analysis and interact with Planet data without needing other software. Build solutions, analyze data at scale, and find insights in this powerful tool.

  • 2,562 Topics
  • 8,907 Replies
2562 Topics
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SentinelHub User
posted in Sentinel Hub
S1 custom-scripts' algorithms on Sentinel-Hub'

I have been testing several of the “custom-script” S1 algorithms in our Open Data Cube environment. Many of them are quite nice and run well. I have questions about two of them and could use some explanation. Urban Areas by Monja Sebela: This algorithm uses a simple RGB function, where … Red = 5.5 * VH > 0.5, Green = VV and Blue = VH*8. What does the inequality function mean in the Red band? Looking at typical VH power levels for an agricultural region (0.1 to 0.3), the Red band value might be 0.55 to 1.65 for this algorithm. So how does the inequality impact the RGB output? SAR False Color Visualization by Annamaria Luongo: The script creates an RGB image using several constants (c#) and functions of the VV and VH bands. The Blue band for this algorithm is causing issues. Blue = 0.8 - Math.log (c6 / (c5 - c7 * VV)) where c6=0.05, c5=0.045 and c7=0.9. Since VV is positive and typically 0.2 to 0.5 (power numbers for agriculture), then the value of the function (c5 - c7*VV) is negativ

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SentinelHub User
posted in Sentinel Hub
Accessing Planet Usable Data Masks

Is it possible to access the Planet Usable Data Masks through Sentinel Hub?

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SentinelHub User
posted in Sentinel Hub
Download Sentinel 5p

I need to download a lot of Sentinel 5p images (more than 50) for a time series analysis. Is there any possibility to download them all together? Or I need to click on each image to download? I couldn’t download them all together… Can someone help me?

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SentinelHub User
posted in Sentinel Hub
Unable to download plant image for some reason

Hi @gmilcinski , Our planet API to download imagery(https://services.sentinel-hub.com/api/v1/process) is not working as it should. Please could you look into this? We can send the test data to your email if needed. Getting the below errors for most of the blocks. { "error": { "status": 500, "reason": "Internal Server Error", "message": "java.util.concurrent.ExecutionException: java.util.concurrent.ExecutionException: com.vividsolutions.jts.geom.TopologyException: found non-noded intersection between LINESTRING ( 298627.9546373726 5631112.964412951, 298627.95463737287 5631112.964412948 ) and LINESTRING ( 298627.95463737263 5631112.964412951, 298640.10810605146 5630961.454455233 ) [ (298627.9546373728, 5631112.964412948, NaN) ]", "code": "RENDERER_EXCEPTION" } } Best Regards Suresh

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SentinelHub User
posted in Sentinel Hub
Adjust sharpness

I would like to make information like this. but want to change the background image I’m touched that google earth hasn’t updated yet. But nowadays, the front of the work has been cleared more and more. But this satellite is not as clear as google earth.

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SentinelHub User
posted in Sentinel Hub
Problems with 3rd party data orders from airbus spot & pleadis

Since last friday i have been having problems with ordering 3d party data from Spot & Pléadis, planetscope seems to work fine. anybody else experiencing this ? after a longtime it returns a FAILED status. problems started last week on the 18th of august. Any help would be appreciated working on a project which has to be finished this week. Ronald

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SentinelHub User
posted in Sentinel Hub
Temporal Analysis is invalid for API

I tried to use sentinel 2 data to calculate the information on the time dimension of each pixel in a area of interest (such as calculate the percentile, median or maxmin of each pixel). I know I can first download all the images in the time interval and calculate it in the local PC. But according to the official description of Sentinel-hub, this can be done in the cloud through API. I used the S2L1CWCSInput function from eo-learn library in the python environment to submit the request through the evalscript of customurlParam, and the time interval parameter of the execute() function is set to 2017/01/01 - 2017/12/31. But in the test, through the debugging code "throw new Error (samples.length)", I found that the length of the input parameter (samples) of the function (evaluationPixel) was always one (sometimes two). I think that means, only data from one time (or one scene) was in the processing. I have already set the layer in the called dashboard with "temporal: true". I refered to s

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SentinelHub User
posted in Sentinel Hub
New images not available

Hello! We ingest daily images from Sentinel Hub. We have several AOI that were supposed to be ingesting new images yesterday, on the 26th. At first we thought there was an issue in our system but after manually checking in Sentinel Hub online request builder, latest images for those AOIs are the ones from the 21st. Is there any ingestion issue with latest images on Sentinel Hub? Thanks!

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SentinelHub User
posted in Sentinel Hub
Using satellite data (NBR, NDVI, etc) to detect straw burning

Hi, I am quite new to satellite imagery and currently exploring how I can use satellite data to detect straw/crop residue burning in a specific area and ultimately to track over years. Should I be looking at the Burned Area indices like Normalized Burnt Ratio (NBR) or more into NDVI? I think Burned Area Indexes are more for large area fires like forest fires, might not be suitable for agricultural fires? If NDVI is more suitable, how do I set the threshold so that the imagery shows burnt/unburnt area? I would like to know if there are other suitable indices that I should look into.

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SentinelHub User
posted in Sentinel Hub
Planet Scope error regarding clip' tool'

I purchased a Planet Scope package through Sentinel Hub and am following the example code to try to download some images. I can successfully retrieve a list of scenes using the search API endpoint, and can create an order using the orders API endpoint. However, when I try to confirm the order, I get the following error: {"error":{"status":400,"reason":"Bad Request","message":"{\"field\":null,\"general\":[{\"message\":\"Unable to accept order: Your organization does not have permission to run the 'clip' tool\"}]}\n","code":"COMMON_BAD_PAYLOAD"}} I think my code is the same as the example code except I changed the polygon coordinates and the date range. I tried looking up Planet’s “clip tool”, and found an article from 2018 describing a new feature by that name that it says is available to all users. But I also found another article from just a month ago (28 July 2020) saying that clipping is only available to Preferred and Premium users (with Preferred having to pay for a minimum of

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SentinelHub User
posted in Sentinel Hub
Satellite Image of the Property

I am looking forward to get the satellite image of the property with the latitude and longitude of the property that I get from my system via Gecode service(Sample latitude and longitude given below). I see that in Sentinel hub, we are giving co-ordinates in EPSG:4326. Could you please help me in how to convert this below mentioned latitude and longitude to EPSG:4326 co-ordinates. Latitude: 31.454104 Longitude: -110.156961

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SentinelHub User
posted in Sentinel Hub
Sentinel Hub trial account has expired

. Will I be able to continue to use it for free or not?

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SentinelHub User
posted in Sentinel Hub
Acquisition date removed from Playground?

Hi In the Playground under “Effects”, there used to be a toggle to show acquisition date for each tile. A little while ago this toggle stopped working, and today I found that it has disappeared completely. Has this feature been moved elsewhere, or has it been removed (if so, why)? TF

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SentinelHub User
posted in Sentinel Hub
Can any two tiles (item ids) have same datetime. Tiles are geographically adjacent

We have a use case where we want to use Process API and get clipped images from single tile(s) for a geometry of interest i.e, all pixels should be from a single item ( feature or tile or item - using interchangeably here). We are okay with partial images in cases where geometry of interest not completely lie in a item. We know that Process API is not meant to be used like this, but I observed that if we give a exact timestamp as the input to Process API, it gives all pixels from a single item. We are planning to achieve this by using catalog API to get all intersecting item ids for geometry of interest and use the timestamps in those items (features) and call the Process API. But we are not sure if two adjacent items can have the same datetime value. I observed that they have 1-2 seconds difference and if this is the case for all tiles we are happy. Thanks!

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SentinelHub User
posted in Sentinel Hub
Batch Processing API/Large area utilities

Hi, I have projects such as land-cover classification and crop boundary detection throughout all Turkey. I will use 10m resolution Sentinel-2 images(B08,B04,B03,B02,CLM). In order to work at this scale, can i handle this data with the large area utilities example without an enterprise membership? Or would it be more appropriate to work with the BATCH Process API since we will exceed the processing unit limit? Any help greatly appreciated.

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SentinelHub User
posted in Sentinel Hub
Duplicate data for Sentinel-1

Hi, I’m search for Sentiel-1 data in Copernicus Open Access Hub, I find two products with same timespan and same cover but different identifier name. Are they different in some ways or just duplicate data? S1A_IW_SLC__1SDV_20220110T111909_20220110T111936_041398_04EC19_BFDA S1A_IW_SLC__1SDV_20220110T111909_20220110T111936_041398_04EC19_8478

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SentinelHub User
posted in Sentinel Hub
Some Sentinel-2 L2A images missing

Hi, I am wondering why some of the images that are available as L1C are not available as L2A. For example tile 34VFN has 23 images for August 2017 as L1C, but only 8 images as L2A. Is it possible to access those missing images somehow? Thank you, Joona

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SentinelHub User
posted in Sentinel Hub
Missing data in Sentinel 1 archive?

I recently ordered some Sentinel 1 images using the batch processing API and it appears there is a small strip where there were no available images between 2021-05-15 and 2021-07-08. There were images available for this area for the same period in 2020. The image is a screenshot from the EO browser showing the available images for a large area in the United States. There are images available starting in the southern US that appear to be in the same orbit. Is it possible that no images were collected here? Or were they collected and not added to the S3 archive? Any suggestions for tracing to the root cause are appreciated!

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SentinelHub User
posted in Sentinel Hub
404 error when starting batch request

Hello, I tried to start a batch request at around 0920am GMT but got a 404 error: Failed to download from:\nhttps://services.sentinel-hub.com/api/v1/batch/process/<id>/start\nwith HTTPError:\n404 Client Error: Not Found for url: https://services.sentinel-hub.com/api/v1/batch/process/<id>/start\nServer response: \"{\"status\": 404, \"reason\": \"Not Found\", \"message\": \"Not Found\", \"code\": \"COMMON_NOT_FOUND\"}\"", After a few minutes I made another batch request for the exact same area and it succeeded. 404 error is not mentioned in the API reference here (API Reference). Does anyone know what caused the error above? Was the batch api down for some reason, if so how can we check for this? Thanks in advance.

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SentinelHub User
posted in Sentinel Hub
Sentinel 1 productInfo.json and metadata.xml in product root

Hey Sentinel folks, I’m starting to catalog the Sentinel 1 products and noticed that the productInfo.json is an empty file and metadata.xml are not present in the product root dir. Those 2 files we used to gather metadata and populate our catalog. We also used the product GML files for geometry info. For example in this product path, it has an empty productInfo.json and missing metadata.xml file, what would be the best files to parse to grab the necessary metadata to catalog? s3://sentinel-s1-l1c/GRD/2018/11/15/IW/DV/S1B_IW_GRDH_1SDV_20181115T170549_20181115T170614_013618_019365_8C97

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SentinelHub User
posted in Sentinel Hub
Url for arcmap not sent to me when configuring WMS in ArcMap

Hi there I am currently learning How to configure WMS in ArcMap. in the tutorial it says to add a URL that was sent to me when adding the WMS server layer, however no URL was sent to me. Is there somewhere i can access this URL Thanks and kind regards

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SentinelHub User
posted in Sentinel Hub
Requests, length and height calculation

Hello, and have a good time. I have come across a case in Sentinel Hub. I would appreciate it if you could guide me in this case. Because the cost of each request depends on the length and width of the output image, on the other hand, depending on the size of the polygon, the quality of the output image cannot be defined as a fixed number. How can I calculate the length and width of the input polygon? By the way, I obtained the length and width of the area in degrees using the bbox information, but when I divide by 0.00009, the obtained numbers are different from the length and width numbers of the request builder, and my output image is stretched as well.

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SentinelHub User
posted in Sentinel Hub
Resampled images does not load in ArcMap

Please I resampled Sentinel 2 image in SNAP toolbox. I converted to a Geotiff file and tried to open in Arc Map bit I only get a black outline with no image display. I have tried severally but still have been unsuccessful. I will be glad to get some help on how to resolve it. Thank you. Enoch

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SentinelHub User
posted in Sentinel Hub
Additional Question on No-Data Labels

I have been moving forward on my testing but I keep returning to a question that I cant answer. I may just be the one confused here but I am going to try and reword my question. Although I think I may be close to the solution based previous responses. – So, when using a convolutional neural network (CNN) it is my understanding that its not possible to discard/ignore some pixels since those would leave behind holes. This may be dealt with by eo-learn I am not sure. If we include NO_DATA labeled pixels then that will potentially create training problems in the CNN because it would learn to associate pixel values to a label which is not actually a proper label. I see you say that these pixels are disregarded and not used for training/testing, but I dont understand if this creates some sort of issue. In my code we have a lot of pixels with no-data labels and we are basically trying to come up with the best way to deal with them. This is where we got confused about NaN values vs No-data lab

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SentinelHub User
posted in Sentinel Hub
Problem Accessing AWS Data

I have created an AWS S3 account and created a bucket with Requester pays Enabled, however, I am still having a difficult time downloading the Sentinel-1 or L2A data. I am trying to request these images through python, I have begun configuring this, from amazon to run the Slovenian Land Cover Classification notebook. I would greatly appreciate some expertise!

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