ee.FeatureCollection.set

Mengganti satu atau beberapa properti metadata Elemen.

Menampilkan elemen dengan properti yang ditentukan diganti.

Penggunaan	Hasil
FeatureCollection.set(var_args)	Elemen

Argumen	Jenis	Detail
ini: element	Elemen	Instance Elemen.
var_args	VarArgs[Object]	Kamus properti, atau urutan vararg properti, misalnya key1, value1, key2, value2, ...

Contoh

Editor Kode (JavaScript)

// An empty FeatureCollection for simple demonstration.
var fc = ee.FeatureCollection([]);

// Set a single new property using a key-value pair.
fc = fc.set('key_1', 'value 1');

// Set multiple new properties using a series of key-value pairs.
fc = fc.set('key_2', 'value 2',
            'key_3', 3);

// Set new properties using a dictionary of key-value pairs.
fc = fc.set({
  key_5: ee.Array([1, 2, 3]),
  key_6: ee.Image(0),
  key_7: ee.Feature(null)
});
print('New FeatureCollection properties added', fc);

// Overwrite an existing property.
fc = fc.set('key_1', 'overwritten');
print('FeatureCollection property overwritten', fc);

Penyiapan Python

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

import ee
import geemap.core as geemap

Colab (Python)

# An empty FeatureCollection for simple demonstration.
fc = ee.FeatureCollection([])

# Set a single new property using a key-value pair.
fc = fc.set('key_1', 'value 1')

# Set multiple new properties using a series of key-value pairs.
fc = fc.set('key_2', 'value 2', 'key_3', 3)

# Set new properties using a dictionary of key-value pairs.
fc = fc.set({
  'key_5': ee.Array([1, 2, 3]),
  'key_6': ee.Image(0),
  'key_7': ee.Feature(None)
})
display('New FeatureCollection properties added:', fc)

# Overwrite an existing property.
fc = fc.set('key_1', 'overwritten')
display('FeatureCollection property overwritten:', fc)