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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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.map is not a function in Google Earth Engine

I am trying to normalize my data. But it says, .map is not a function. How can I come up with this? var Stprep = raindata.subtract(ltamean).divide(ltastd); var SPI = Stprep .map(function(image){ var Imin = Stprep .reduce(ee.Reducer.min()) var…
Chathu_T
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How to convert Zarr data to GeoTiff?

I want to load the HRRR forecast data into Google Earth Engine, so I think I need to convert it to GeoTiff. e.g. import xarray as xr import s3fs fs = s3fs.S3FileSystem(anon=True) urls =…
Adair
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Keeping feature collection properties when merging with another feature collection in Google Earth Engine

I'm a relatively new user of Google Earth Engine, although have some experience coding in R. I'm trying to merge several ee.FeatureCollections with identical property labels, as seen in a brief example using trees below. I've first defined two…
Alexis Moyer
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Can an ImageCollection contain a single image?

I found about GEE yesterday and found an interesting dataset (https://developers.google.com/earth-engine/datasets/catalog/NASA_ORNL_biomass_carbon_density_v1) about biomass during 2010. I am fairly new at programming so maybe I am missing something,…
Sebastian Nuñez
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recursive function on each pixel in google earth engine

I want to filter time series in the google earth engine which requires two for loops over time-series of a single pixel. I searched around and not found any example related to this. I know about .map function and I am using it for the generation of…
gis.rajan
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I can't use IF in GEE, it's very strange

As you can see, the result is 'yes', but my flag is 0, how could this happen? What can I do? var img=imageCollection.filterBounds(geometry).filterDate('2021-08-09','2021-08-10').median(); print(img) var…
River Zhang
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How can I reshape a satellite image in Earth Engine?

I have satellite image with 3 bands as B2,B3,B4, I want to convert each band to one column. for example B2 band places in first column, B3 band places in second column...
CHH
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masked results in smileRandomForest

I used the deprecated randomForest function to classify land use using about 60,000 training points in a ee.FeatureClass with data from about 130 ee.Image bands. Somehow the old classifier always gave 'wall to wall' predictions, where in spite of…
dgketchum
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Google earth Engine ... Export images as ascii

Is it possible to export an image from Google Earth Engine as ASCII raster Export.image.toDrive({ image: 'image', region: region, scale: 30, crs: 'EPSG:4326', });
Dr-Zafeer Saqib Azeemi
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Format of CSV file to upload to GEE

I am trying to upload a geometry file in .csv format to GEE. The file uploads just fine, but when I add layer nothing shows up. id type geometry bbox ID class…
ilyywa
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Extract Year from properties of features in Google Earth Engine

While batch downloading the rasters from GEE I want to pass the year, which are there in the properties of feature so that it can name the output dynamically instead of numeric ID's i.e. the name should be…
Abhilash Singh Chauhan
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NDBaI Index calculation in GEE- JS

I am having difficulty in generating the NDBaI index using Landsat 8 correctly, the range of values is not ranging from -1 to 1. Either the values are all negative or it has a very small range from 0.8 to 0.9 which is unrealistic wrt the on ground…
Deepthi
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How to mask out shadows from LANDSAT/LE07/C01/T1_TOA?

I want to use the LANDSAT/LE07/C01/T1_TOA collection in google earth engine and I am struggling to understand how the bits work in order to mask out areas with clouds and shadows. I managed to write the following, but I am not very confident and do…
foo
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Animated GIF wih Annotations. Annoying Bar on the side

I wrote a script that downloads a series of images with Google Earth Engine into a GIF-File and puts the Date of the image as annotation on it. See the code below: import geopandas as gpd import ee import os import geemap from datetime import date,…
Katerkaskade
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Error uploading asset to Google Earth Engine

I am trying to upload a simple shapefile to my assets in Google Earth Engine (GEE). Since I started studying GEE I found these errors when uploading some .shp files: "Error: Multiple primary files found."; and "Error: Could not unzip file." Both…
Joao Paulo Alencar
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