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The imagecollection tag has no summary.
24 questions
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0
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14
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Error exporting GEE collection using geemap
I'm trying to use geemap's geemap.download_ee_image_collection to download 299 rasters to my local directory.
The code is:
import os
import ee
import geemap
ee.Authenticate()
ee.Initialize(project='...
- 23
0
votes
0
answers
10
views
How to filter Sentinel-1 SAR data by orbit direction and polarization in Earth Engine
I'm working with Sentinel-1 SAR data on Google Earth Engine and trying to create a clean ImageCollection filtered by the following criteria:
Instrument mode: IW
Polarization: VV
Orbit direction: ...
1
vote
1
answer
76
views
Error loading Google Earth Engine data
I am trying to load an Image collection in gee map and I keep getting this error for the Landsat 8 Tier 2:
EEException: ImageCollection.load: ImageCollection asset
'LANDSAT/LC08/C01/T1_TOA' not found ...
0
votes
1
answer
49
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Image Collection issues from Sentinel-2, are there reasons available tiles would be excluded during
I am trying to produce seasonal and annual Mean NDVI images for my AOI (imported shapefile) over Louisville Kentucky, for a series of years, 2018-Present. Using the script below, I've been able to ...
0
votes
2
answers
56
views
How to convert a raster to vector and use it to clip an ImageCollection in Google Earth Engine
I am attempting to compute NDWI and extract a water body by using the condition NDWI > 0. Then, I plan to convert the extracted water body from an image to a vector, and use it to clip an ...
0
votes
0
answers
33
views
EEException: User memory limit exceeded eventhough having only 1 Band and reducing it: reduceRegion(ee.Reducer.min(), pointgeometry)
I run this in GoogleColab
I am loading Modis and Landsat data and reproject Landsat to Modis data:
# pip install eemont
import ee
import eemont
# getting modis properties
modis_proj = ee....
1
vote
1
answer
59
views
Using forward differencing on image collection containing masked pixels
I'm interested in obtaining the time difference between each observation in an image collection. This can be calculated as the DoY difference between each subsequence image in the image collection. ...
- 616
1
vote
2
answers
149
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Exporting a time series of images in an image collection from GEE using Python
I'm having trouble with exporting images from NASA/HLS/HLSL30/v002 image collection to Drive.
This produces a map of the image I want to make:
# Applies scaling factors.
def apply_scale_factors(image):...
- 11
0
votes
1
answer
51
views
GEE_Cloud_Project_import folder into the script
I recently switched my Google Earth Engine account to the cloud project. I created a folder inside the "Assets" to download from the PC and put all the needed images inside this folder. ...
- 31
0
votes
1
answer
63
views
Mosaicking images within an image collection with the same day and month but different years
Following on from Mosaicking Image Collection by Date (day) in Google Earth Engine
I wish to mosaic images for the same day of year, but across multiple years. For example, if I have a collection of ...
- 5
-1
votes
1
answer
67
views
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
0
votes
1
answer
55
views
Mathemetical operation with two imageCollections
I try to find relative humidity (RH), I created two different imagecollections (please see: 'ue' and 'ues'). Now I want to do RH= '100 * ue / ues' mathematical operation with these two image ...
- 25
0
votes
1
answer
94
views
Conflicting date ranges for COPERNICUS/DEM/GLO30 in Earth Engine
I'm trying to filter DEMs from the COPERNICUS/DEM/GLO30 ImageCollection in Google Earth Engine by date. However, the date range I'm getting from the collection seems incorrect, leading to filtering ...
0
votes
2
answers
298
views
Removing null images in Image Collection
This is the code to generate an 36 length imagecollection from 2020 up to 2022:
var months = ee.List.sequence(1, 12);
// Create an image collection for each month
var monthlyImageCollection = ee....
0
votes
1
answer
69
views
Converting the output of a .map function into an image collection in Google Earth Engine using JavaScript
I am trying to retrieve monthly Sentinel-2 band data using zonal statistics (mean) and point buffer for further analysis.
I have created monthly median composites from January to December of 2017 ...
