Pengumuman: Semua project nonkomersial yang terdaftar untuk menggunakan Earth Engine sebelum
15 April 2025 harus
memverifikasi kelayakan nonkomersial untuk mempertahankan akses Earth Engine.
ee.DateRange.isUnbounded
Tetap teratur dengan koleksi
Simpan dan kategorikan konten berdasarkan preferensi Anda.
Menampilkan benar (true) jika DateRange ini berisi semua tanggal.
| Penggunaan | Hasil |
|---|
DateRange.isUnbounded() | Boolean |
| Argumen | Jenis | Detail |
|---|
ini: dateRange | DateRange | |
Contoh
Code Editor (JavaScript)
// A series of ee.DateRange objects.
var dateRangeBounded = ee.DateRange('2017-06-24', '2017-07-24');
var dateRangeUnbounded = ee.DateRange.unbounded();
// Determine if an ee.DateRange object is unbounded.
print('Is dateRangeBounded unbounded?', dateRangeBounded.isUnbounded());
print('Is dateRangeUnbounded unbounded?', dateRangeUnbounded.isUnbounded());
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 series of ee.DateRange objects.
date_range_bounded = ee.DateRange('2017-06-24', '2017-07-24')
date_range_unbounded = ee.DateRange.unbounded()
# Determine if an ee.DateRange object is unbounded.
display('Is date_range_bounded unbounded?', date_range_bounded.isUnbounded())
display(
'Is date_range_unbounded unbounded?', date_range_unbounded.isUnbounded()
)
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\u003eisUnbounded()\u003c/code\u003e method, applied to a \u003ccode\u003eDateRange\u003c/code\u003e object, returns \u003ccode\u003etrue\u003c/code\u003e if the \u003ccode\u003eDateRange\u003c/code\u003e includes all dates.\u003c/p\u003e\n"],["\u003cp\u003eIt takes a single argument, the \u003ccode\u003eDateRange\u003c/code\u003e object itself, and returns a boolean value indicating whether the date range is unbounded.\u003c/p\u003e\n"],["\u003cp\u003eThis method helps determine if a \u003ccode\u003eDateRange\u003c/code\u003e is unbounded, meaning it represents all possible dates without specific start and end points.\u003c/p\u003e\n"],["\u003cp\u003eExamples demonstrate using \u003ccode\u003eisUnbounded()\u003c/code\u003e with \u003ccode\u003eDateRange\u003c/code\u003e objects in JavaScript and Python, illustrating how to check for unbounded date ranges.\u003c/p\u003e\n"]]],["The `isUnbounded()` method checks if a `DateRange` object contains all dates. It returns a boolean (`true` or `false`). The method is called on a `DateRange` object. The provided examples create bounded and unbounded `DateRange` objects and then use `isUnbounded()` to determine if they are unbounded. The outputs show if the object is unbounded, for example if the `DateRange` is `ee.DateRange.unbounded()`.\n"],null,["# ee.DateRange.isUnbounded\n\nReturns true if this DateRange contains all dates.\n\n\u003cbr /\u003e\n\n| Usage | Returns |\n|---------------------------|---------|\n| DateRange.isUnbounded`()` | Boolean |\n\n| Argument | Type | Details |\n|-------------------|-----------|---------|\n| this: `dateRange` | DateRange | |\n\nExamples\n--------\n\n### Code Editor (JavaScript)\n\n```javascript\n// A series of ee.DateRange objects.\nvar dateRangeBounded = ee.DateRange('2017-06-24', '2017-07-24');\nvar dateRangeUnbounded = ee.DateRange.unbounded();\n\n// Determine if an ee.DateRange object is unbounded.\nprint('Is dateRangeBounded unbounded?', dateRangeBounded.isUnbounded());\nprint('Is dateRangeUnbounded unbounded?', dateRangeUnbounded.isUnbounded());\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 series of ee.DateRange objects.\ndate_range_bounded = ee.DateRange('2017-06-24', '2017-07-24')\ndate_range_unbounded = ee.DateRange.unbounded()\n\n# Determine if an ee.DateRange object is unbounded.\ndisplay('Is date_range_bounded unbounded?', date_range_bounded.isUnbounded())\ndisplay(\n 'Is date_range_unbounded unbounded?', date_range_unbounded.isUnbounded()\n)\n```"]]
