ee.Dictionary.combine

Menggabungkan dua kamus. Jika ada nama duplikat, output akan berisi nilai kamus kedua kecuali jika overwrite bernilai salah (false). Nilai null di kedua kamus akan diabaikan / dihapus.

PenggunaanHasil
Dictionary.combine(second, overwrite)Kamus
ArgumenJenisDetail
ini: firstKamus
secondKamus
overwriteBoolean, default: benar (true)

Contoh

Code Editor (JavaScript)

// A dictionary (e.g. results of ee.Image.reduceRegion of an S2 image).
var dict1 = ee.Dictionary({
  B1: 182,
  B2: 219,
  B3: 443
});

// A second dictionary.
var dict2 = ee.Dictionary({
  Region: 'The Forest of Nisene Marks State Park',
  Image: 'Sentinel-2 surface reflectance (scaled by 1e4)',
  B1: -9999  // Note that the B1 key is present in both dictionaries.
});

print('Combined dictionaries (overwrite false)',
      dict1.combine(dict2, false));

print('Combined dictionaries (overwrite true)',
      dict1.combine(dict2, true));

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)

# A dictionary (e.g. results of ee.Image.reduceRegion of an S2 image).
dic_1 = ee.Dictionary({
    'B1': 182,
    'B2': 219,
    'B3': 443
})

# A second dictionary.
dic_2 = ee.Dictionary({
    'Region': 'The Forest of Nisene Marks State Park',
    'Image': 'Sentinel-2 surface reflectance (scaled by 1e4)',
    'B1': -9999  # Note that the B1 key is present in both dictionaries.
})

display('Combined dictionaries (overwrite false)', dic_1.combine(dic_2, False))

display('Combined dictionaries (overwrite true)', dic_1.combine(dic_2, True))