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Questions tagged [google-earth-engine]

Google's cloud computing platform for geospatial data & analysis at earthengine.google.com, which can be programmed using either Python or JavaScript client libraries.

Earth Engine has client libraries in both and .

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Get monthly max EVI from Modis merged collections in Google Earth Engine

I have the following code to do four steps: 1- Load MODIS MOD13Q1 and MYD13Q1 datasets 2- Merge collections 3- Import EVI data with good QA 4- Calculate monthly max EVI values for every pixel The code works with no error. But when I download a test…
aorali
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Looping or mapping a classifier to retrain it on different images in Google Earth Engine

Is it possible to create a classifier (e.g. CART/Random Forest) and train it on several different training images with unique sample points each using a loop or .map()? I have successfully created a classifier in GEE and have it manually retrained…
Cato van Meurs
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Export and get data from API in Google Earth Engine

i use google earth engine. i have manage to export data to csv in my google drive. However , i was wondering if is possible to have an api (https request -json type) to get the data. i need this option because i need to access the data (real time…
gek
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GEE kalman-filter

Is there an implemantation of Kalman filter in Google earth engine? If not has anyone code it on their JS api or could give me a hint what could be used instead? Have extensivly searched the documention and web but often miss something
Roxy Smith
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Map=geemap.Map() won´t execute

I'm trying to create a map using Sentinel 2 data with Jupyter notebook. Every time I try to run Map=geemap.Map() it takes a lot of time to execute. My notebook just shows me [*]. I literally left it running ovrnight and it didn't even finish. Does…
BENJAMÍN PÉREZ
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How to create true color of Landsat 8 C2 and How to assign 0 to cloud pixels and 1 to non-cloud pixels after cloudmasking in GEE?

I want to see the true color image of my raw image to compare the cloudmasked image but the output of my function is pure white. Moreover, I am planning to determine the pixel percentage of each barangays from a feature collection, based the…
user21425452
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How can I export this very large image in Google Earth Engine?

It is giving me an error when trying to submit the task : "Request payload size exceeds the limit: 10485760 bytes." What can I change to be able to make it exportable, and relatively quickly. Also just to double check, am I exporting the right image…
Mas
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To extract the pixel values using point shapefile as feature Collection of time series data (landsat 8) and export it in csv, in python using geemap()

Error occured: "The image must be an instance of ee.Image.", for the following code. import os import ee import geemap ee.Initialize() Map = geemap.Map() Map india = ee.FeatureCollection("users/GEE_work/INDIA_WITH_KASHMIR") collection =…
Moumita Marandi
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Pearson Correlation in GEE

I've been trying to compute Pearson's Correlation in GEE, I have 2 raster images stored as assets. The code runs just find but the output is empty. Please help me with the…
Aamna Qamar
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Mean monthly NDVI values for multiple regions

I would like to get mean monthly NDVI values for multiple regions that have a 2.5km buffer. The regions are lat/long co-ordinates imported as an assest. I keep getting an error that stating NDVI pattern is not found. In the output the NDVI values…
user21573937
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Accuracy Assessment of NDWI - GEE

I have applied NDWI (Normalized Difference Water Index) on years: 2018, 2019 and 2020 to extract the water bodies. Then I used MCD12Q1.061 MODIS Land Cover Type Yearly Global 500m product for the year 2017 only (as a ground truth) and extracted only…
th145
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Different outputs for the list in Google Earth Engine

I defined the following list on GEE, var List = ee.List.sequence(ee.Number(1), ee.Number(100), 2); print('My list is', List); print('My list is' + List); For the first print(), output is, My list is List (50 elements) And for the second one, My…
Etemon
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How export all bands' pixel value in Google Earth Engine

i want to obtain the pixel values of an image for all bands in Google Earth Engine. My code is wrong(Error: Invalid argument: 'collection' must be a FeatureCollection. (Error code: 3)). I can see data with print. But couldn't export to CSV. ` var…
TeknoKöy Çiftliği
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NDVI values slightly changing after applying mask

I have an image collection with a cloud mask and an NDVI band already applied to it. It's called s2CloudMasked. I have further applied the following mask function to filter out NDVI values lower than 0.25: //Mask out bad NDVI// var maskNDVI =…
Barbara Perez de Araújo
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