ee.FeatureCollection.distinct

Menghapus duplikat dari koleksi. Perhatikan bahwa duplikat ditentukan menggunakan hash kuat atas bentuk berserial dari properti yang dipilih.

Penggunaan	Hasil
FeatureCollection.distinct(properties)	FeatureCollection

Argumen	Jenis	Detail
ini: collection	FeatureCollection	Kumpulan input tempat objek akan dipilih.
properties	Objek	Nama properti atau daftar nama properti yang akan digunakan untuk perbandingan. Properti '.geo' dapat disertakan untuk membandingkan geometri objek.

Contoh

Code Editor (JavaScript)

// FeatureCollection of power plants in Belgium.
var fc = ee.FeatureCollection('WRI/GPPD/power_plants')
             .filter('country_lg == "Belgium"');
print('FeatureCollection of power plants in Belgium', fc);

// Remove duplicate features according to property values.
print('Distinct based on a single property', fc.distinct('fuel1'));
print('Distinct based on two properties', fc.distinct(['fuel1', 'source']));
print('Distinct based on geometry', fc.distinct('.geo'));

Penyiapan Python

Lihat halaman Lingkungan Python untuk mengetahui informasi tentang Python API dan penggunaan geemap untuk pengembangan interaktif.

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('FeatureCollection of power plants in Belgium:', fc)

# Remove duplicate features according to property values.
display('Distinct based on a single property:', fc.distinct('fuel1'))
display('Distinct based on two properties:',
        fc.distinct(['fuel1', 'source']))
display('Distinct based on geometry', fc.distinct('.geo'))