Questions tagged [feature-collection]

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How can I extract each value of a column from a Feature Collection and append it to a new list in Google Earth Engine?

I want to map a function over a Feature Collection to extract some column values and turn it into a list. I do know how to map a function over collections, but I'm new with Google Earth Engine and I ...
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39 views

Properties and columns difference in GEE feature collections

What the difference between columns and properties in Google Earth Engine feature collections? When I build a new feature collection with a property directly in the code editor, when I print it I do ...
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16 views

Bounding Areas using Feature Collection values (RESOLVE Ecoregions 2017)

I'm pretty new to the Earth Engine and have been working through some of the tutorials to familiarize myself with it. I have very little code experience. What I am trying to accomplish is creating a ...
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24 views

Zonal statistics with feature collection column (Google Earth Engine)

I have run into a very similar problem a few times while working in Google Earth Engine and never found a good solution. I am working with raster data (continuous values) and a feature collection of ...
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1answer
42 views

Select points outside of polygon in Google Earth Engine

I understand how to get the points that fall inside a polygon with GEE: // Load a feature collection and a area of interest var dataset1 = ee.FeatureCollection("link/to/any/point/dataset/on/gee&...
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Google Earth Engine: mapping a FeatureCollection to a list of dates

I have some code that creates FeatureCollection for SST a specific date range, which I combined and export as a csv. A link to which can be found here. I would like to map the FeatureCollection to a ...
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39 views

GEE: Indexing a List of Lists inside a property of a FeatureCollection

I'm running the LandTrendr algorithm in GEE over multiple points of interest, which leaves me with a FeatureCollection having a list of lists in one the properties for every feature. Out if this list ...
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1answer
36 views

Creating multi-ring buffers (donuts) on a feature collection GEE

I have a large feature collection that I am creating a multi-ring buffer on using GEE. My problem is that the .difference algorithm only works on a feature and not a feature collection. I tried to ...
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33 views

Display points from CSV table (feature collection) in Google Earth Engine

Unfortunately, I cannot display the point data I uploaded as csv file. I specified latitude and longitude, the rest is unknown so I kept it at default. Can somebody help? Link to asset
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77 views

Filter through geometries of a feature collection in Google Earth Engine to export as a shapefile

I'm trying to export a shapefile of administrative units out of GEE, but I get the error Shapefiles cannot contain multiple geometry types; found 'LineString', 'Polygon' Here is my code and the ...
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1answer
67 views

Dissolving overlapping polygons in Google Earth Engine

I have a series of buffers stored in a feature collection. Some but not all of the buffer polygons overlap. I need to dissolve the polygons in a way that Earth Engine still recognizes each as a ...
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1answer
29 views

Get image pixel centroids in Google Earth Engine

I would like to create a feature collection consisting of the centroid points of the pixels in an image. The question of how to do this has been asked before on Stack Exchange, but not actually ...
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38 views

How to select multiple features by mouse click event in ArcGIS JS API 3.x

I am trying to select multiple features in a feature layer by using "hold 'ctrl' button and mouse click event". I am using ArcGIS JS API 3.x. I have created the US State boundary ...
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98 views

Add feature id as a feature property in Google Earth Engine

In GEE, user-generated feature collections are automatically assigned an id number. How do I create a property for each feature collection that stores the id ("system:index") as a property, ...
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21 views

Dissolve FeatureCollection using attribute

I have a feature collection with a number of properties, all numbers. I want to aggregate all features in the collection that have a property in common. For instance, I want to merge features that ...
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1answer
48 views

Remove some properties after inner Join in Google Earth Engine

I want to join two featureCollections and remove the ID field in order to run linearRegression in GEE. I found codes to clean the featureCollection after innerJoin, and snippet to remove properties ...
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1answer
59 views

Error in exporting table from Python API service account— Asset does not exist or doesn't allow this operation

I am trying to export a table using the Python API and am getting the following error: Asset 'my_asset_Path' does not exist or doesn't allow this operation The exact same code works in both the code ...
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1answer
37 views

How to change property of features in a FeatureCollection where there is overlapping?

I have two feature collections and I want to change the features' property in one collection based on the other one where there is overlapping, but it seems that I just merge and keep both features ...
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1answer
16 views

Why ArcGIS JavaScript text label does not show on feature?

My working example here does not show the labeling information on features. var featureLayer; map = new Map("map", { basemap: "satellite", center: [-46.807, 32....
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28 views

Removing 0 (NODATA) from Combochart in FeatureCollection in Google Earth Engine

I'm trying to make a combo chart based on two properties of a FeatureCollection. However, one of the properties is full of 0 which I don't want to show them on the chart. How can I not showing those ...
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102 views

Exporting NDVI as TIFF file in Google Earth Engine

I've calculated NDVI using Sentinel data. Below is the part of my code. This code exporting TIFF file into my google drive, however, when I load this image into ArcMap and trying to convert this ...
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44 views

ee.Feature extraction from ee.FeatureCollection by Feature index

I have a tabular asset in Google Earth Engine that has two features. To extract them one by one in a for-loop I had to introduce site_id property (column) and filter based on that value: for (var i = ...
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48 views

Converting a FeatureCollection to an ImageCollection

I am trying to convert a FeatureCollection (a bit heavy one though) to an Imagecollection. It seems that the job has been done successfully, however, I can't take any further steps with the ...
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26 views

Download an Image Collection with a button using GeoJSON

I'm working on a GEE App where users can query for NDVI data of any country or given point, with an specific temporality. I also want the user to be able to download the result map. I know this can be ...
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1answer
38 views

Adding a property while converting a table into a list in GEE

Is there a way to add a property when converting from a table to a list? I have a table of lat and long points uploaded from a .csv (locTable), and found a GEE code that changed the format of my table ...
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25 views

NDVI Time Series over Feature Collection of districts

I am very new to google earth engine and I am having trouble creating a time series of NDVI for a feature collection. I am working with the Landsat 8 NDVI Layer "LANDSAT/LC08/C01/T1_32DAY_NDVI&...
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1answer
145 views

ReduceRegions not writting to feature properties in GEE

I am trying to apply reduceRegions to extract average precipitation from the TerraClimate dataset (developers.google.com/earth-engine/datasets/catalog/IDAHO_EPSCOR_TERRACLIMATE) within each polygon of ...
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1answer
55 views

feature.get(0).getinfo()[0] does not initialize inside function GEE

I have a list of features which I am going to use map.function to extract specific value from features but inside function when I am using .getinfo()[0] to return first value give me an error: "...
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1answer
97 views

GEE converting to feature to geometry for .filterBounds

I am trying to filter a MODIS image collection by country. I have seen a lot of examples where you can map the image collection over a function and clip to the country, but I was trying to simplify ...
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1answer
82 views

FeatureCollection (Error) Image.reduceRegions: Group input must come after weighted inputs

I was trying to find the area of each block by category in the band. There is one band and it has 18 categories. The feature collection is a collection of blocks described uniquely by code_2011. var ...
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37 views

Add data from a REGION FeatureCollection to my polygons FeatureCollection [duplicate]

I have generated a FeatureCollection of polygons and calculated the centroid and added it. I now want to pull in some data from FAO/GAUL/2015/level2 dataset with fields such as ADM2_CODE etc. This can ...
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1answer
34 views

EE Spatial Join— Generate columns in primary collection

I have two feature collections- a feature collection of different polygons (primary collection) and a .csv with various location data (secondary collection). I would like to append each column in the ...
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1answer
205 views

Converting a FeatureCollection to ImageCollection in Goolge Earth Engine?

I created a Feature Collection of Ndvi (mean, min, max) from Image Collection. Now i want to convert FeatureCollection in ImageCollection in order to have a three bands (mean,min,max).How can help me? ...
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1answer
159 views

Convert a feature collection to image collection

I have created a feature collection of burned area in the Amazon according to 1-degree grid cells over 20 years. Here is a link to the collection - https://code.earthengine.google.com/?asset=users/...
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1answer
51 views

Enrich a featurecollection with more data

I have generated a vector feature collection which is great but I would like to add to this data before saving it out as a CSV. So the data is areas of forest loss in the county of Gwent and I want to ...
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1answer
116 views

Select only the feature that overlapses its correspondant in another layer - Leaflet, qgis2web

I have 2 identical layers overlapping, each containing identical FeatureCollection values. Only one of them is added into the map. Is it possible that when clicking on a specific feature of the ...
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1answer
73 views

Best way to extract properties from spatial join?

I applied a spatial join to two feature collections and am trying to extract specific properties from one in order to append them to another. In order to retrieve a property from one of the features, ...
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1answer
72 views

Earth Engine- Find HUC boundary for each point

I am an EarthEngine noobie and I am trying to find the Hydrologic Unit code for each of my points in a table. I have a table (featureCollection) full of observations and their Lat, Long coordinates, ...
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1answer
115 views

Get data out of FeatureCollection

I am just trying to get the admin area out of FAO/GAUL/2015/level2 for Romania when I click in the map and use it as a label in a panel. It works in the console but in the panel it prints out way too ...
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1answer
279 views

How to select features in a feature collection simultaneously row by row in Google Earth Engine?

I try to find a correlation between a linear trend of two NDVI time series before and after a specific day in time. And that I want to repeat (iterate/map?) for a lot of points globally distributed. ...
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1answer
68 views

How to create a FeatureCollection with the values stored in an Array on Earth Engine?

I applied an unsupervised classification to a collection of Sentinel 2 images and used ReducetoVector() within a loop to obtain each class of the Unsupervised classification as a different object. ...
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1answer
137 views

Appending a table asset with ImageCollection pixel values for specific dates and coordinates in Earth Engine

In Earth Engine I have a table asset of coordinates and dates (properties `LAT', 'LONG', 'DATE') for which I would like to return a pixel value from my ImageCollection dswe_ic, which gives a monthly ...
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1answer
157 views

Earth Engine: Mapping over a feature collection of ROIs

I have a function that performs an operation over a specific ROI. Now, I want to apply the same function over a collection of ROIs by mapping the function over a feature collection. Haven't found any ...