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.filterDate
Tetap teratur dengan koleksi
Simpan dan kategorikan konten berdasarkan preferensi Anda.
Pintasan untuk memfilter kumpulan data menurut rentang tanggal. Awal dan akhir dapat berupa Tanggal, angka (ditafsirkan sebagai milidetik sejak 1970-01-01T00.00.00Z), atau string (seperti '1996-01-01T08.00'). Berdasarkan 'system:time_start'.
Ini setara dengan this.filter(ee.Filter.date(...)); lihat jenis ee.Filter untuk opsi pemfilteran tanggal lainnya.
Menampilkan koleksi yang difilter.
| Penggunaan | Hasil |
|---|
FeatureCollection.filterDate(start, end) | Koleksi |
| Argumen | Jenis | Detail |
|---|
ini: collection | Koleksi | Instance Koleksi. |
start | Tanggal|Angka|String | Tanggal mulai (termasuk). |
end | Date|Number|String, opsional | Tanggal akhir (eksklusif). Opsional. Jika tidak ditentukan, rentang 1 milidetik yang dimulai dari 'start' akan dibuat. |
Contoh
Code Editor (JavaScript)
// Constructed FeatureCollection representing a field site sampled at
// four different dates; date recorded as "system:time_start" property in units
// of milliseconds since Unix epoch.
var geom = ee.Geometry.Point([-119.56, 37.67]);
var fc = ee.FeatureCollection([
ee.Feature(geom, {'prop': 10, 'system:time_start': ee.Date('2021-06-10')}),
ee.Feature(geom, {'prop': 11, 'system:time_start': ee.Date('2021-06-20')}),
ee.Feature(geom, {'prop': 19, 'system:time_start': ee.Date('2021-07-10')}),
ee.Feature(geom, {'prop': 10, 'system:time_start': ee.Date('2021-07-20')})
]);
// Filter the observations in July 2021.
print('Field site observations collection in July 2021',
fc.filterDate('2021-07-01', '2021-08-01'));
// Alternative input formats.
print('ee.DateRange as an input',
fc.filterDate(ee.DateRange('2021-07-01', '2021-08-01')));
print('Numbers (milliseconds since Unix epoch) as an input',
fc.filterDate(1625875200000, 1626739200001));
print('ee.Date objects as an input',
fc.filterDate(ee.Date('2021-07-01'), ee.Date('2021-08-01')));
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)
# Constructed FeatureCollection representing a field site sampled at
# four different dates; date recorded as "system:time_start" property in units
# of milliseconds since Unix epoch.
geom = ee.Geometry.Point([-119.56, 37.67])
fc = ee.FeatureCollection([
ee.Feature(geom, {'prop': 10, 'system:time_start': ee.Date('2021-06-10')}),
ee.Feature(geom, {'prop': 11, 'system:time_start': ee.Date('2021-06-20')}),
ee.Feature(geom, {'prop': 19, 'system:time_start': ee.Date('2021-07-10')}),
ee.Feature(geom, {'prop': 10, 'system:time_start': ee.Date('2021-07-20')})
])
# Filter the observations in July 2021.
print('Field site observations collection in July 2021:',
fc.filterDate('2021-07-01', '2021-08-01').getInfo())
# Alternative input formats.
print('ee.DateRange as an input:',
fc.filterDate(ee.DateRange('2021-07-01', '2021-08-01')).getInfo())
print('Numbers (milliseconds since Unix epoch) as an input:',
fc.filterDate(1625875200000, 1626739200001).getInfo())
print('ee.Date objects as an input:',
fc.filterDate(ee.Date('2021-07-01'), ee.Date('2021-08-01')).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\u003e\u003ccode\u003efilterDate()\u003c/code\u003e allows you to filter a FeatureCollection by a date range based on the \u003ccode\u003esystem:time_start\u003c/code\u003e property.\u003c/p\u003e\n"],["\u003cp\u003eThe start and end dates can be specified as Dates, numbers (milliseconds since epoch), or strings.\u003c/p\u003e\n"],["\u003cp\u003eThe end date is exclusive, and if not specified, a 1-millisecond range starting at the start date is used.\u003c/p\u003e\n"],["\u003cp\u003e\u003ccode\u003efilterDate()\u003c/code\u003e is equivalent to using \u003ccode\u003eee.Filter.date()\u003c/code\u003e and is a convenient shortcut for temporal filtering.\u003c/p\u003e\n"]]],[],null,["# ee.FeatureCollection.filterDate\n\n\u003cbr /\u003e\n\nShortcut to filter a collection by a date range. The start and end may be Dates, numbers (interpreted as milliseconds since 1970-01-01T00:00:00Z), or strings (such as '1996-01-01T08:00'). Based on 'system:time_start'.\n\n\u003cbr /\u003e\n\nThis is equivalent to this.filter(ee.Filter.date(...)); see the ee.Filter type for other date filtering options.\n\nReturns the filtered collection.\n\n| Usage | Returns |\n|------------------------------------------------|------------|\n| FeatureCollection.filterDate`(start, `*end*`)` | Collection |\n\n| Argument | Type | Details |\n|--------------------|--------------------------------|-------------------------------------------------------------------------------------------------------------|\n| this: `collection` | Collection | The Collection instance. |\n| `start` | Date\\|Number\\|String | The start date (inclusive). |\n| `end` | Date\\|Number\\|String, optional | The end date (exclusive). Optional. If not specified, a 1-millisecond range starting at 'start' is created. |\n\nExamples\n--------\n\n### Code Editor (JavaScript)\n\n```javascript\n// Constructed FeatureCollection representing a field site sampled at\n// four different dates; date recorded as \"system:time_start\" property in units\n// of milliseconds since Unix epoch.\nvar geom = ee.Geometry.Point([-119.56, 37.67]);\nvar fc = ee.FeatureCollection([\n ee.Feature(geom, {'prop': 10, 'system:time_start': ee.Date('2021-06-10')}),\n ee.Feature(geom, {'prop': 11, 'system:time_start': ee.Date('2021-06-20')}),\n ee.Feature(geom, {'prop': 19, 'system:time_start': ee.Date('2021-07-10')}),\n ee.Feature(geom, {'prop': 10, 'system:time_start': ee.Date('2021-07-20')})\n]);\n\n// Filter the observations in July 2021.\nprint('Field site observations collection in July 2021',\n fc.filterDate('2021-07-01', '2021-08-01'));\n\n// Alternative input formats.\nprint('ee.DateRange as an input',\n fc.filterDate(ee.DateRange('2021-07-01', '2021-08-01')));\n\nprint('Numbers (milliseconds since Unix epoch) as an input',\n fc.filterDate(1625875200000, 1626739200001));\n\nprint('ee.Date objects as an input',\n fc.filterDate(ee.Date('2021-07-01'), ee.Date('2021-08-01')));\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# Constructed FeatureCollection representing a field site sampled at\n# four different dates; date recorded as \"system:time_start\" property in units\n# of milliseconds since Unix epoch.\ngeom = ee.Geometry.Point([-119.56, 37.67])\nfc = ee.FeatureCollection([\n ee.Feature(geom, {'prop': 10, 'system:time_start': ee.Date('2021-06-10')}),\n ee.Feature(geom, {'prop': 11, 'system:time_start': ee.Date('2021-06-20')}),\n ee.Feature(geom, {'prop': 19, 'system:time_start': ee.Date('2021-07-10')}),\n ee.Feature(geom, {'prop': 10, 'system:time_start': ee.Date('2021-07-20')})\n])\n\n# Filter the observations in July 2021.\nprint('Field site observations collection in July 2021:',\n fc.filterDate('2021-07-01', '2021-08-01').getInfo())\n\n# Alternative input formats.\nprint('ee.DateRange as an input:',\n fc.filterDate(ee.DateRange('2021-07-01', '2021-08-01')).getInfo())\n\nprint('Numbers (milliseconds since Unix epoch) as an input:',\n fc.filterDate(1625875200000, 1626739200001).getInfo())\n\nprint('ee.Date objects as an input:',\n fc.filterDate(ee.Date('2021-07-01'), ee.Date('2021-08-01')).getInfo())\n```"]]
