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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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Iterating over a GEE featureCollection

the process to iterate over imageCollection is well documented, but that is not the case for the featureCollection. When trying to apply it, several errors appear. I show here one of them. If anybody has succeeded over this procedure help is…
javier Moreira
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Extracting band values of multiple points in GEE

I have a question regarding exporting a data from GEE. I am new to coding and GEE. What I would like to achieve is export pixel band data of points a have managed to upload using Fusion Table. Is is possible for GEE to export band data of those…
jakubsz
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apply a function over 2 consecutive images in an imageCollection in google earth engine

the function .map applies a function to every individual image in an ImageCollection. And the function .iterate applies a function to one image and the output of the calculation done to the precedent image on an ImageCollection. The first only…
javier Moreira
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Accessing Google 3D Maps Elevation Data

When we use google maps in 3D at Google earth, it shows building heights and structures' actual heights in elevation data. However, the google elevation API provided by google results only ground elevations and not the actual elevations of buildings…
Hamza Khurshid
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Missing NDVI values when reducing Landsat Image Collection to long format list using Google Earth Engine

I want to have NDVI values of landsat time series as feature collection to export the values as long format table in CSV. I use the Hansen Global Forest Change data set and the Landsat 7 time series. The Global Forest Change data set is transformed…
Ch Gohr
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Masking datasets with different resolutions in GEE

I've calculated the NDMI index based on the MCD43A4 (spatial resolution 500m) collection for an area where various water bodies exist. What I want to do, is to mask out these water bodies from my collection, based on the Landsat Global Inland Water…
geo_dd
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Unable to extract List elements as integers using `getInfo`

I'm using reduceRegion to sum the number of water pixels determined by an NDWI. I want to do this on a collection of images to see change in water area over a period time. The values are returned from the reduceRegion in the console and appear to…
joel
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Get the mean of specific Landsat Band (i.e. B2, B3, B4) of each of the images from a ImageCollection

Being more specific, I'm workin with an Image Collection of Landsat Surface Reflectance Tier 1 and I want to calculate the mean of the value of the Band 2 (blue) of the pixels for every single image from the collection. And get an CSV of the mean…
L. Guerrero
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Filtering imageCollection from an inicial date to the latest one

I'm working on a google earth engine app. In order to let it run without code changing, i need to specify a date range to filter an ImageCollection. The inicial date should be an arbitrary one, but the last date should be the "latest" available. It…
javier Moreira
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In Google Earth Engine, How do I select pixels from one image collection which correspond to a selected pixel value from another image collection?

I want to plot the count of burn pixels for modis burned area product within my geometry regions called "table" for only agricultural pixels (obtained from 'lc' image collection). I couldn't find anything in the docs to indicate you can do such a…
toferkey
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How do I visualize values at given lat/lon points and a given pix resolution from a Google Earth Engine FeatureCollection?

I'm new to GEE and Java Script but hopefully I can be clear in describing my question. I've been looking through the tutorials and stack overflow but I'm still having difficulty. I have a csv file consisting of lat/lon locations that I have…
user1745564
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Access Google Earth Engine via Jupyter using the Javascript API

I'm very new to Googles Earth Engine and learned how to use the Javascript API. However, I recently found, one can access Earth Engine via Jupyter using the Python API. Now, I'm wondering if it is possible to use Jupyter and Javascript? There are…
Ingwerkeks
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google earth engine filterdate ignored by plot?

I'm starting with earth engine (ee) coding. Following instructions from https://developers.google.com/earth-engine/tutorial_api_07 I was able to put together some code and get a plot. But why the range of date on the plot goes from 2016 to 2018…
KcFnMi
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How to run the Atmospheric Correction Model in Google Earth Engine

I'm trying to run the atmospheric correction for Landsat images in Google Earth Engine. In the region I'm interested loads of images are only available at TOA reflection and I'd like to approximate the surface reflection as good as possible. I'm…
Jobbo90
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Google Earth Engine - RGB image export from ImageCollection Python API

I encounter some problems with the Google Earth Engine python API to generate a RGB image based on an ImageCollection. Basically to transform the ImageCollection into an Image, I apply a median reduction. After this reduction, I apply the visualize…
Loic L.
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