AI-generated Key Takeaways
-
The
toListmethod returns the elements of a FeatureCollection as a list. -
It can be used to fetch a specified number of elements and discard a number of elements from the start using the
countand optionaloffsetarguments. -
Examples in JavaScript and Python demonstrate how to use the
toListmethod to extract specific subsets of a FeatureCollection.
| Usage | Returns |
|---|---|
FeatureCollection.
toList
(count, offset
)
|
List |
| Argument | Type | Details |
|---|---|---|
|
this:
collection
|
FeatureCollection | The input collection to fetch. |
count
|
Integer | The maximum number of elements to fetch. |
offset
|
Integer, default: 0 | The number of elements to discard from the start. If set, (offset + count) elements will be fetched and the first offset elements will be discarded. |
Examples
Code Editor (JavaScript)
// FeatureCollection of power plants in Belgium. var fc = ee . FeatureCollection ( 'WRI/GPPD/power_plants' ) . filter ( 'country_lg == "Belgium"' ); print ( 'First 5 features to an ee.List' , fc . toList ( 5 )); print ( 'Second 5 features to an ee.List' , fc . toList ( 5 , 5 ));
import ee import geemap.core as geemap
Colab (Python)
# FeatureCollection of power plants in Belgium. fc = ee . FeatureCollection ( 'WRI/GPPD/power_plants' ) . filter ( 'country_lg == "Belgium"' ) display ( 'First 5 features to an ee.List:' , fc . toList ( 5 )) display ( 'Second 5 features to an ee.List:' , fc . toList ( 5 , 5 ))
