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2692 Topics

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SentinelHub User
posted in Sentinel Hub

For mosaicked image, get tile metadata per pixel

Hi, would it be possible to receive, when mosaicking an image within a certain BBox, per pixel metadata about the tile (date of aquisition, tile code) that is underlying that pixel? Looking for a solution using either the Sentinel-hub package (SentinelHubRequest) or eo-learn package. Thanks!

6
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13 days ago
S
SentinelHub User
posted in Sentinel Hub

filterScenes filter by month and year

Hi, I am trying to filter my scenes according to month and year. like this return scenes.filter(function(scene) { return scene.date.getFullYear()>=2017 && scene.date.getMonth()==10; }); but when I try to filter scenes with month in evaluatePixel function I get an error Cannot read property ‘date’ of undefined let initMonth = scenes[0].date.getMonth(); but it is working smoothly when only use year filtering. I just want to get specific scenes how can I do that ? Thanks in advance,

9
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13 days ago
S
SentinelHub User
posted in Sentinel Hub

How can I access planet scope data using sentinel hub request builder

Hi, I am new to this. I am trying to access planet scope data using planet Api key but it shows forbidden error. Guide me how to access planet scope data and add it in sentinel hub.

2
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13 days ago
S
SentinelHub User
posted in Sentinel Hub

Sentinel Bands data download to EOPatch for a set of timestamps

Hi, I used a list of timestamps to initialise an eopatch. But, when i used the SentinelHubInputTask() function to download bands data for those timestamps, i was not able to download it. I was getting 2D arrays where each value was 0 for all the bands. Essentially, no data is getting downloaded. Thanks, Sidharrth

9
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13 days ago
S
SentinelHub User
posted in Sentinel Hub

EOlearn imports on colab

Hello, after frying my machine I decided to try to run the Slovenia-cover-map notebook on Google Colab (eo-learn-examples/SI_LULC_pipeline.ipynb at main · sentinel-hub/eo-learn-examples · GitHub) but there is a problem in importing some packages. I did !pip install jpy==0.7 !pip install SentinelHub !pip install eo-learn-core !pip install eo-learn-coregistration !pip install eo-learn-features !pip install eo-learn-geometry !pip install eo-learn-io !pip install eo-learn-mask !pip install eo-learn-ml-tools !pip install eo-learn-visualization !pip install “opencv-python-headless<4.3” before the imports but i got this # Imports from eo-learn and sentinelhub-py from eolearn.core import EOTask, EOPatch, EOWorkflow, FeatureType, OverwritePermission, \ LoadTask, SaveTask, EOExecutor, ExtractBandsTask, MergeFeatureTask from eolearn.io import SentinelHubInputTask, VectorImportTask, ExportToTiffTask from eolearn.mask import AddValidDataMaskTask from eolearn.geometry import VectorToRasterTas

1
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13 days ago
S
SentinelHub User
posted in Sentinel Hub

Bands avilability in Landsat 8 level 2

Hello, i’m interested in Landsat 8 level 2 images. I’m a bit confused regard the available bands as in USGS it mentioned to have 11 bands, while in sentinel hub configuration utility I see B1-B7 and B10, and it says that the thermal is based on B10. In addition to that I saw here some post regard extra band that relates to clouds but it doesn’t not appear in the bands in the configuration utility. Are these bands available? and if yes how can I acess them and where can I get information regard all the available bands? 🙂

4
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13 days ago
S
SentinelHub User
posted in Sentinel Hub

Make S2 global mosaic script work with Evalscript V3

I am currently, separately, using the S2 global mosaic hub, and accessing S2 imagery through the Evalscript V3 API. In some cases, I need to use my own compositing algorithm to develop monthly mosaics, so I use Evalscript. In some cases, the S2 global mosaic algorithm suites my needs more than perfectly! It works so well in cloudy tropical regions. I’d love to be able to access the S2 global mosaic outputs through the Evalscript API. I see that the script for generating the mosaic is available on the custom scripts repository here (https://custom-scripts.sentinel-hub.com/sentinel-2/s2gm) but with a note that it needs V2 to run. I’ve been trying to convert the script to V3 for awhile, but I can’t seem to get it to work. If I run the V2 script through V3, I either get “Output default requested but missing from function setup()” or “EvaluatePixel must return an array” as errors. I’ve been reading through the V3 documentation (https://docs.sentinel-hub.com/api/latest/evalscript/v3/) and c

11
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13 days ago
S
SentinelHub User
posted in Sentinel Hub

Sentinel-2 L2A 10m imagery download

I am trying to download Sentinel-2 L2A imagery from 6/19/2022 over the Chesapeake Bay at the 10m scale, including all 12 bands. When I put in this information, the download button is greyed out (see attached screenshot). I tried limited my extent to just Dorchester county, but the issue persisted. It seems that the imagery cannot be downloaded at the 10m resolution for this extent – is that correct? If so, how would you suggest access the data for my entire study area?

4
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13 days ago
S
SentinelHub User
posted in Sentinel Hub

DynamoDB & Geospatial?

Hi everyone, I’m just launching into the development of a pipeline for Sentinel image processing, and I was wondering what this community considers best practice for storing/accessing geospatial data in DynamoDB. Most of my data will be a variety of polygons, multipolys, linestrings, and points… but I’m having difficulty seeing how DynamoDB can handle that efficiently for searches. (Also, I want to be able to quickly query by datetime as well, just to complicate things) Do any of you have any projects you’ve implemented thusly? Any recommendations or warnings? I intuitively understand relational databases better, and also that PostgreSQL is available via RDS, but nonetheless I’m curious what you do in the case where you aren’t using that. I’d love to hear your thoughts–I’m at a total loss right now!

1
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13 days ago
S
SentinelHub User
posted in Sentinel Hub

Maxar failure - COMMON_BAD_PAYLOAD - Invalid JSON

Hello, I tried to order Maxar Satellite imagery but i keep getting the following error which I cannot solve: Request failed with status code 400 COMMON_BAD_PAYLOAD {“authenticated”:true,“error”:“Invalid JSON.”,“message”:“There was a problem with your request. Please contact ‘ordering@euspaceimaging.com’.”}

3
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13 days ago
S
SentinelHub User
posted in Sentinel Hub

Adapting a custom script from process api to statistical api

Hi, I’m having trouble in using one of the scripts on the custom-scripts repository, when I try to adapt it to the statistical api call. I’m trying it out in the requests builder, and it works well while using the process api. I just can’ really pinpoint how exactly I should adapt the script in order to fit the statistical api request. The script in use is [Vegetation Productivity Indicator | Sentinel-Hub custom scripts](https://Vegetation Productivity Indicator) My main doubt is on how to edit the evaluatePixel return, and also the time range, which in the Process API is part of the date filter, but in statistical api is part of aggregation (together with aggregation interval). Thank you in advance!

5
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13 days ago
S
SentinelHub User
posted in Sentinel Hub

S1 GRD file format transformed from linear (0-65535) to RGB (0-255) during download from EO Browser

I am trying to download the following (S1 GRD AWS Gamma0 linear orthorectified VH):apps.sentinel-hub.com Sentinel-hub EO-Browser3 Sentinel-2 L2A imagery taken on August 18, 2018 With the following settings However, the file downloaded is only 571. KB (should be around 10-20MB), RGB 0-255 instead of single band 0-65535. Do you know what could be wrong? Also, I wanted to make sure that the image downloaded is Gamma0 orthorectified ? (see https://docs.sentinel-hub.com/api/latest/#/data/Sentinel-1-GRD) If so, where can I find the documentation of the processing steps applied to the raw S1 imagery available in Scihub-copernicus please?

3
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13 days ago
S
SentinelHub User
posted in Sentinel Hub

Geometric accuracy of Sentinel 2 level 2a products

Hello, Does anyone know what the geometric accuracy of Sentinel 2 level 2a products are? All I can find is information level 1 products which say the accuracy is 20 m without ground control points, and 12.5 with ground control points. Thanks

2
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13 days ago
S
SentinelHub User
posted in Sentinel Hub

Download multiple images in Python

Hi, I am trying to download S2 images for a large area. I’ve splitted my boundig box in smaller patches and now I can download each one manually with the SentinelHubRequest object. I want to automate the process, but I cannot find a way to get the path where the tiff is saved from the get_data() or save_data() methods. Is there a way to this ? Thanks.

4
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13 days ago
S
SentinelHub User
posted in Sentinel Hub

DeflateError: libdeflate_zlib_decompress returned LIBDEFLATE_INSUFFICIENT_SPACE

Hi, my code was working without problem downloading all bands in my old computer, now that i switched to a new one i get this error whenever i try to download all bands: DeflateError: libdeflate_zlib_decompress returned LIBDEFLATE_INSUFFICIENT_SPACE There is no issue when i try to download a regular natural true color image Versions: Python: 3.9.18 Sentinelhub: 3.9.1 Code example: all_bands_script = ‘return [B01,B02,B03,B04,B05,B06,B07,B08,B8A,B09,B10,B1972,B12]’ config = SHConfig() config.instance_id = idcuarteles[c] wms_request = WmsRequest(layer='NATURAL-COLOR-TRUE-COLOR', custom_url_params={CustomUrlParam.EVALSCRIPT: all_bands_script}, bbox=BBox(bbox=mybbox, crs=CRS.WGS84), time=FECHADESCARGA, width=1000, height=856, maxcc=0.1, ima

14
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13 days ago
S
SentinelHub User
posted in Sentinel Hub

Download catalog items

search_iterator in the code below finds two sentinel2 files as SAFE format (S2A_MSIL2A_20231114T110311_N0509_R094_T31UDQ_20231114T143858.SAFE and S2A_MSIL2A_20231114T110311_N0509_R094_T31UDR_20231114T143858.SAFE): import os import datetime import numpy as np import matplotlib.pyplot as plt import pandas as pd import requests import getpass from sentinelhub import ( SHConfig, DataCollection, SentinelHubCatalog, SentinelHubRequest, BBox, bbox_to_dimensions, CRS, MimeType, Geometry, MosaickingOrder, ) config = SHConfig("myprofile") aoi_coords_wgs84 = [2, 49, 2.5, 49.7] resolution = 10 aoi_bbox = BBox(bbox=aoi_coords_wgs84, crs=CRS.WGS84) aoi_size = bbox_to_dimensions(aoi_bbox, resolution=resolution) print(f"Image shape at {resolution} m resolution: {aoi_size} pixels") catalog = SentinelHubCatalog(config=config) time_interval = "2023-11-14", "2023-11-14" search_iterator = catalog.search( DataCollection.SENTINEL2_L2A, bbox=aoi_bbox, ti

4
S
13 days ago
S
SentinelHub User
posted in Sentinel Hub

Import eolearn throws import error - Jupyter Notebook

Import eolearn throws import error - Jupyter Notebook

1
S
13 days ago
S
SentinelHub User
posted in Sentinel Hub

Planet API key retrived

Hi, I’m a bit confused about how to order PlanetScope data exploiting sentinel hub services. I need high resolution data for several AOI, I would like to use PlanetScope data through Subscription API. Currently I have a subscription for Sentinel Hub Exploration Processing Plan. The required data can be retrived withhttps://services.sentinel-hub.com/api/v1/process specifying geometry, timeRange, evalscript, collection_id etc etc in the json data and the SentinelHub token in the header. Collection_id can be obtained withhttps://services.sentinel-hub.com/api/v1/dataimport/orders and thenhttps://services.sentinel-hub.com/api/v1/dataimport/orders/order_id In the first url, it is required the planetApiKey. how i can obtain this value?

1
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13 days ago
S
SentinelHub User
posted in Sentinel Hub

decodeL8C2Qa properties explained in more detail?

I’m trying to understand exactly the meaning of cloud, clear and cloudConfidence. from the docs: cloud number 0 for cloud confidence is not high, 1 for high confidence cloud clear number 0 if cloud or dilated cloud, or else 1 cloudConfidence number here is my logic:cloud is if there is a cloud in that location. but instead of 0 (no cloud) and 1 (yes cloud), it has values in between to account for "calculation/measurement anomalies " etc. I would expect to have clear as the opposite. but there is no confidence in the description. so it’s just a binary? or the doc is misleading? I have not downloaded and examined the data yet, I’m trying to understand it first. observation might be misleading 🙂 . if cloud is the confidence of a cloud, what is cloudConfidence and why do I need both values? the existence of cloudConfidence makes me doubt my reasoning for cloud. I can understand why someone will want clear, especially if it includes dilated cloud. does cloudconfidence include all

2
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13 days ago
S
SentinelHub User
posted in Sentinel Hub

Bbox list is empty

My bbox list is empty. I am unable to knwo why is it so. Create the splitter to obtain a list of bboxes bbox_splitter = UtmZoneSplitter([country_shape], country.crs, 5000) bbox_list = np.array(bbox_splitter.get_bbox_list()) info_list = np.array(bbox_splitter.get_info_list()) Prepare info of selected EOPatches geometry = [Polygon(bbox.get_polygon()) for bbox in bbox_list] idxs = [info[‘index’] for info in info_list] idxs_x = [info[‘index_x’] for info in info_list] idxs_y = [info[‘index_y’] for info in info_list] gdf = gpd.GeoDataFrame({‘index’: idxs, ‘index_x’: idxs_x, ‘index_y’: idxs_y}, crs=country.crs, geometry=geometry) select a 5x5 area (id of center patch) ID = 616 Obtain surrounding 5x5 patches patchIDs = [] for idx, [bbox, info] in enumerate(zip(bbox_list, info_list)): if (abs(info[‘index_x’] - info_list[ID][‘index_x’]) <= 2 and abs(info[‘index_y’] - info_list[ID][‘index_y’]) <= 2): patchIDs.append(idx) Check if final size is 5x5 if len(patchIDs) != 5*5: print(‘Warning! U

3
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13 days ago
S
SentinelHub User
posted in Sentinel Hub

Downloading Planetscope data on local drive

Good day, I have a collection of planetscope data/tiles sitting in Sentinelhub (i.e. the aws server you provide). What would be the easiest way for me to download all of the tiles on my local drive? Do you guys offer an option to download these as zarr or other array-based formats? FYI I am trying to run a NDVI time-series analysis and am having trouble doing it with your statistical API (via your request builder). Hence why I’m opting to just do this in python myself…feel free to suggest other options… Many thanks

4
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13 days ago
S
SentinelHub User
posted in Sentinel Hub

Harmonized Landsat Sentinel vs Sentinel-2 2LA

Hi, It’s great to see HLS being available on SentinelHub! I’m interested in tracking NDVI for an AOI and I was wondering how comparable the results are with NDVI from Sentinel-2 L2A. The inputs to HLS are Sentinel-2 L1C and Landsat 8/9 (both of top-of-atmosphere reflectance), whereas Sentinel-2 L2A is of bottom-of-atmosphere reflectance. According to HLS documentation, atmospheric correlation is applied to both inputs: A series of radiometric and geometric corrections are applied to convert data to surface reflectance, adjust for BRDF differences, and adjust for spectral bandpass differences. “convert to surface reflectance” → Does it mean that HLS is in fact of bottom-of-atmosphere reflectance? Apologies in advance if this question is more suitable to HLS authors (USGS) but I thought I could get a quicker response here 🙂

2
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13 days ago
S
SentinelHub User
posted in Sentinel Hub

Creating NDVI and NDWI pictures

Hello, currently I want to create NDVI and NDWI pictures with the python API for sentinelhub. My evalscript for NDVI looks like that: And for NDWI: It works fine for NDVI. In the case of NDWI, I only get a black picture. So, I want to understand how the NDWI picture is created. How the transformation of the values from -1 to 1 ( what we get, when we calculate let ndwi, let ndvi) to 0 - 255 works. Because when i add plus one: It works. I get an image, which looks good. But i don’t know if it is correct… Thanks for your help in advance!

9
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13 days ago
S
SentinelHub User
posted in Sentinel Hub

Sentinel-2 coregistration

Hi, I would like to use Sentinel-2 L1c band 8 data for research purpose. I work with pixel timeseries, therefore I have serious problems with the co-registration of Sentinel-2, since I found an error of a few pixels in many images. Is there any tutorial you can recommend to me to solve the issue? Thanks in advance

3
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13 days ago
S
SentinelHub User
posted in Sentinel Hub

Sentinel1 orthorectification using SRTM or ASTER DEM

Hello, I wanted to ask if there is any option or plan to use the orthorectication an option to use SRTM (or ASTER DEM for areas greater than 60 degrees latitude as SRTM is not available)? It seems like using those files might give better results. Best, Reut

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13 days ago
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