Pengumuman: Semua project nonkomersial yang terdaftar untuk menggunakan Earth Engine sebelum
15 April 2025 harus
memverifikasi kelayakan nonkomersial untuk mempertahankan akses Earth Engine.
ee.Dictionary.remove
Tetap teratur dengan koleksi
Simpan dan kategorikan konten berdasarkan preferensi Anda.
Menampilkan kamus dengan kunci yang ditentukan dihapus.
Penggunaan | Hasil |
---|
Dictionary.remove(selectors, ignoreMissing) | Kamus |
Argumen | Jenis | Detail |
---|
ini: dictionary | Kamus | |
selectors | Daftar | Daftar nama kunci atau ekspresi reguler nama kunci yang akan dihapus. |
ignoreMissing | Boolean, default: false | Abaikan pemilih yang tidak cocok dengan minimal 1 kunci. |
Contoh
Code Editor (JavaScript)
// A dictionary (e.g. results of ee.Image.reduceRegion of an S2 image).
var dict = ee.Dictionary({
B1: 182,
B2: 219,
B3: 443
});
print('Dictionary with selected keys removed', dict.remove(['B2', 'B3']));
print('Set ignoreMissing as true to avoid an unmatched key error',
dict.remove({selectors: ['B2', 'B3', 'Region'], ignoreMissing: 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 = ee.Dictionary({
'B1': 182,
'B2': 219,
'B3': 443
})
print('Dictionary with selected keys removed:',
dic.remove(['B2', 'B3']).getInfo())
dic_subset = dic.remove(**{'selectors': ['B2', 'B3', 'Region'],
'ignoreMissing': True})
print('Set ignoreMissing as true to avoid an unmatched key error:',
dic_subset.getInfo())
Kecuali dinyatakan lain, konten di halaman ini dilisensikan berdasarkan Lisensi Creative Commons Attribution 4.0, sedangkan contoh kode dilisensikan berdasarkan Lisensi Apache 2.0. Untuk mengetahui informasi selengkapnya, lihat Kebijakan Situs Google Developers. Java adalah merek dagang terdaftar dari Oracle dan/atau afiliasinya.
Terakhir diperbarui pada 2025-07-26 UTC.
[null,null,["Terakhir diperbarui pada 2025-07-26 UTC."],[[["\u003cp\u003eThe \u003ccode\u003eremove()\u003c/code\u003e method returns a new dictionary with the specified keys removed from the original dictionary.\u003c/p\u003e\n"],["\u003cp\u003e\u003ccode\u003eselectors\u003c/code\u003e argument accepts a list of key names or regular expressions to identify the keys to be removed.\u003c/p\u003e\n"],["\u003cp\u003e\u003ccode\u003eignoreMissing\u003c/code\u003e, when set to true, prevents errors if any of the specified selectors do not match existing keys in the dictionary.\u003c/p\u003e\n"]]],["The `Dictionary.remove()` method removes specified keys from a dictionary. It accepts a list of keys or regular expressions (`selectors`) to remove. Setting `ignoreMissing` to `true` prevents errors if a key in the `selectors` list isn't found. The method returns a new dictionary with the specified keys removed. Examples show how to remove keys, and use `ignoreMissing` in both Javascript and Python, and both examples remove the `B2` and `B3` keys.\n"],null,["# ee.Dictionary.remove\n\nReturns a dictionary with the specified keys removed.\n\n\u003cbr /\u003e\n\n| Usage | Returns |\n|---------------------------------------------------|------------|\n| Dictionary.remove`(selectors, `*ignoreMissing*`)` | Dictionary |\n\n| Argument | Type | Details |\n|--------------------|-------------------------|---------------------------------------------------------------------|\n| this: `dictionary` | Dictionary | |\n| `selectors` | List | A list of keys names or regular expressions of key names to remove. |\n| `ignoreMissing` | Boolean, default: false | Ignore selectors that don't match at least 1 key. |\n\nExamples\n--------\n\n### Code Editor (JavaScript)\n\n```javascript\n// A dictionary (e.g. results of ee.Image.reduceRegion of an S2 image).\nvar dict = ee.Dictionary({\n B1: 182,\n B2: 219,\n B3: 443\n});\n\nprint('Dictionary with selected keys removed', dict.remove(['B2', 'B3']));\n\nprint('Set ignoreMissing as true to avoid an unmatched key error',\n dict.remove({selectors: ['B2', 'B3', 'Region'], ignoreMissing: true}));\n```\nPython setup\n\nSee the [Python Environment](/earth-engine/guides/python_install) page for information on the Python API and using\n`geemap` for interactive development. \n\n```python\nimport ee\nimport geemap.core as geemap\n```\n\n### Colab (Python)\n\n```python\n# A dictionary (e.g. results of ee.Image.reduceRegion of an S2 image).\ndic = ee.Dictionary({\n 'B1': 182,\n 'B2': 219,\n 'B3': 443\n})\n\nprint('Dictionary with selected keys removed:',\n dic.remove(['B2', 'B3']).getInfo())\n\ndic_subset = dic.remove(**{'selectors': ['B2', 'B3', 'Region'],\n 'ignoreMissing': True})\nprint('Set ignoreMissing as true to avoid an unmatched key error:',\n dic_subset.getInfo())\n```"]]