Pengumuman: Semua project nonkomersial yang terdaftar untuk menggunakan Earth Engine sebelum
15 April 2025 harus
memverifikasi kelayakan nonkomersial untuk mempertahankan akses Earth Engine.
ee.FeatureCollection.get
Tetap teratur dengan koleksi
Simpan dan kategorikan konten berdasarkan preferensi Anda.
Mengekstrak properti dari fitur.
| Penggunaan | Hasil |
|---|
FeatureCollection.get(property) | |
| Argumen | Jenis | Detail |
|---|
ini: object | Elemen | Fitur untuk mengekstrak properti. |
property | String | Properti yang akan diekstrak. |
Contoh
Code Editor (JavaScript)
// A global power plant FeatureCollection.
var fc = ee.FeatureCollection('WRI/GPPD/power_plants');
// View a list of FeatureCollection property names.
print(fc.propertyNames());
// Get the value of a listed property.
print('Global power plant data provider as ee.ComputedObject',
fc.get('provider'));
// The returned value is an ee.ComputedObject which has no methods available for
// further processing; cast to the relevant Earth Engine object class for use.
print('Global power plant data provider as ee.String',
ee.String(fc.get('provider')));
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 global power plant FeatureCollection.
fc = ee.FeatureCollection('WRI/GPPD/power_plants')
# View a list of FeatureCollection property names.
print(fc.propertyNames().getInfo())
# Get the value of a listed property.
print('Global power plant data provider as ee.ComputedObject:',
fc.get('provider').getInfo())
# The returned value is an ee.ComputedObject which has no methods available for
# further processing; cast to the relevant Earth Engine object class for use.
print('Global power plant data provider as ee.String:',
ee.String(fc.get('provider')).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\u003eget()\u003c/code\u003e method is used to extract a specific property from a Feature or FeatureCollection in Earth Engine.\u003c/p\u003e\n"],["\u003cp\u003eThe \u003ccode\u003epropertyNames()\u003c/code\u003e method provides a list of all property names associated with a Feature or FeatureCollection.\u003c/p\u003e\n"],["\u003cp\u003eThe value returned by \u003ccode\u003eget()\u003c/code\u003e is an \u003ccode\u003eee.ComputedObject\u003c/code\u003e and might need to be cast to a specific Earth Engine object type for further processing.\u003c/p\u003e\n"],["\u003cp\u003eThe provided examples demonstrate how to access and utilize the extracted property value in both JavaScript and Python environments.\u003c/p\u003e\n"]]],["The core functionality involves extracting a specific property from a FeatureCollection using the `get(property)` method. This method requires the feature itself and the property name as input. The returned value is initially an `ee.ComputedObject`, which must be cast to the appropriate Earth Engine object type (e.g., `ee.String`) for further use. Examples demonstrate accessing property names via `propertyNames()` and extracting the 'provider' property from a power plant FeatureCollection in both JavaScript and Python.\n"],null,["# ee.FeatureCollection.get\n\nExtract a property from a feature.\n\n\u003cbr /\u003e\n\n| Usage | Returns |\n|-----------------------------------|---------|\n| FeatureCollection.get`(property)` | |\n\n| Argument | Type | Details |\n|----------------|---------|-------------------------------------------|\n| this: `object` | Element | The feature to extract the property from. |\n| `property` | String | The property to extract. |\n\nExamples\n--------\n\n### Code Editor (JavaScript)\n\n```javascript\n// A global power plant FeatureCollection.\nvar fc = ee.FeatureCollection('WRI/GPPD/power_plants');\n\n// View a list of FeatureCollection property names.\nprint(fc.propertyNames());\n\n// Get the value of a listed property.\nprint('Global power plant data provider as ee.ComputedObject',\n fc.get('provider'));\n\n// The returned value is an ee.ComputedObject which has no methods available for\n// further processing; cast to the relevant Earth Engine object class for use.\nprint('Global power plant data provider as ee.String',\n ee.String(fc.get('provider')));\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 global power plant FeatureCollection.\nfc = ee.FeatureCollection('WRI/GPPD/power_plants')\n\n# View a list of FeatureCollection property names.\nprint(fc.propertyNames().getInfo())\n\n# Get the value of a listed property.\nprint('Global power plant data provider as ee.ComputedObject:',\n fc.get('provider').getInfo())\n\n# The returned value is an ee.ComputedObject which has no methods available for\n# further processing; cast to the relevant Earth Engine object class for use.\nprint('Global power plant data provider as ee.String:',\n ee.String(fc.get('provider')).getInfo())\n```"]]
