All Questions
Tagged with google-earth-engine feature-collection
107
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19
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GEE Featurecollection sorting problem
I have problem with the order of featurecollection. I found the order of featurecollection changed when uploading csv or exporting featurecollection to Assets, even if an ee.FeatureCollection.Sort ...
- 1
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votes
1
answer
32
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Randomly sample points for each feature within a feature collection in Google Earth Engine
I am using Google Earth Engine to randomly sample points within each feature (multi-polygon) within a feature collection. However, I cannot figure out how to do it. For now, I only manage to randomly ...
- 3
2
votes
2
answers
46
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Checking if object is still cached in Google Earth Engine
I'm using the Python API of GEE and I'm building a mechanism to avoid re-exporting the data to GCS twice when the Python kernel dies in the middle of the transfer process (as a reminder: local -> ...
- 2,903
-1
votes
1
answer
16
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Clip a imagecollection with a feature of the AOI shape
I calculated the NDWI with values greater than 0. On the other hand, I loaded a shape, like AOI, which contain diferents ponds if one with an id.
I would like to clip the NDWI imagecollection with the ...
- 1
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25
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Mapping hourly image collection over feature collection with daily aggregation of image stats
I have a feature collection ~ 1600 polygons across the U.S. I have an image collection (NLDAS) where each image is hourly data for the summertime (92 days) across 3 decades ~ 24 hours x 92 days x 30 ...
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33
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GEE filtering featureCollection with a condition
I have a dictionary in the form :
f_dict = {'A':2, 'B':10, 'C':3, 'X':112, ...}
dict.keys() correspond to a GEE featureCollection property. Lets call it 'f_prop'.
dict.values() correspond to the &...
- 391
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1
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130
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Substituting client-side getInfo() for server side in function to pass into map() function in GEE Python API
I am trying to clip an image over a FeatureCollection and then export each cropped image using the Python API.
import ee
# Authenticate to Earth Engine
ee.Initialize()
# Load the images and feature ...
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64
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Google Earth Engine - Convert large Image into FeatureCollection to export to CSV
I have a large Image in Google Earth Engine that I would like to export as CSV. However, due to its size, I am having a hard time converting it to FeatureCollection to make the export, and I don't ...
1
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1
answer
154
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Adding columns to a FeatureCollection
I'm trying to build a FeatureCollection from 4 differents FeatureCollection in order to export an excel with 4 columns containg the 4 differents lists.
Here is an example of the strucuture of each ...
-1
votes
1
answer
28
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Converting giant JavaScript feature collection of coordinates to GEE feature collection
I have a very large JavaScript feature collection (I think - will post a snippet below) and I want to display the vectors in Earth Engine with their attributes.
var lots = {
"type": &...
- 1
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1
answer
394
views
How to get FeatureCollection column names
I'm using a FeatureCollection and I would like to discover the column names as a ee.List. Looking at the documentation, I only find ways to reduce them but you need to know their names.
For example ...
- 2,903
0
votes
1
answer
226
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Transform a FeatureCollection into a dictionary of properties
Context:
I try to get information from Google Earth Engine using the Python API. I'm sending my GeoPandas dataset as a featurecollection, get some information from images gathered as properties and I ...
- 2,903
0
votes
1
answer
318
views
Extracting polygon from feature collection and exporting it as shapefile using Google Earth Engine JavaScript API
I am using Google Earth Engine in hopes to export a polygon from the HydroATLAS feature collection as a shapefile. This is the code I have tried:
// HydroATLAS data
var basinATLAS = ee....
- 5
0
votes
1
answer
62
views
gee ranadomPoints fails:Polygon too large to be randomly sampled. Must be smaller than a hemisphere when image is not so huge
I want to sample random points over an image I access using geemap.
I was trying to do it as following:
#access elevation image and clip it with the feature collection
img = ee.Image('USGS/SRTMGL1_003'...
- 2,169
0
votes
1
answer
310
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For loop over Feature Collection to return Image Collection in EE python API
I am new to the EE python API and am struggling to get a for loop (could eventually also use a map function) over a feature collection. My idea is to have one image and a FeatureCollection as input, ...
