ee.Filter.date

기간으로 컬렉션을 필터링합니다. 시작과 종료는 날짜, 숫자일 수 있습니다.

(1970-01-01T00:00:00Z 이후의 밀리초로 해석됨) 또는 문자열 (예: '1996-01-01T08:00') 'system:time_start' 속성을 기반으로 합니다.

생성된 필터를 반환합니다.

사용반환 값
ee.Filter.date(start, end)필터
인수유형세부정보
start날짜|숫자|문자열시작일 (해당 날짜 포함)입니다.
end날짜|숫자|문자열(선택사항)종료일 (해당 날짜 제외)입니다. 선택사항입니다. 지정하지 않으면 'start'에서 시작하는 1밀리초 범위가 생성됩니다.

예

코드 편집기 (JavaScript)

// collection.filterDate is preferred.
// Constructed FeatureCollection representing a field site sampled at
// four different dates.
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.filter(ee.Filter.date('2021-07-01', '2021-08-01')));

// Alternative input formats.
var dateRange = ee.DateRange('2021-07-01', '2021-08-01');
print('ee.DateRange as an input',
      fc.filter(ee.Filter.date(dateRange)));

print('Numbers (milliseconds since Unix epoch) as an input',
      fc.filter(ee.Filter.date(1625875200000, 1626739200001)));

print('ee.Date objects as an input',
      fc.filter(ee.Filter.date(ee.Date('2021-07-01'), ee.Date('2021-08-01'))));

Python 설정

Python API 및 geemap를 사용한 대화형 개발에 관한 자세한 내용은 Python 환경 페이지를 참고하세요.

import ee
import geemap.core as geemap

Colab (Python)

from pprint import pprint

# collection.filterDate is preferred.
# Constructed FeatureCollection representing a field site sampled at
# four different dates.
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:')
pprint(fc.filter(ee.Filter.date('2021-07-01', '2021-08-01')).getInfo())

# Alternative input formats.
date_range = ee.DateRange('2021-07-01', '2021-08-01')
pprint(fc.filter(ee.Filter.date(date_range)).getInfo())

print('Numbers (milliseconds since Unix epoch) as an input:')
pprint(fc.filter(ee.Filter.date(1625875200000, 1626739200001)).getInfo())

print('ee.Date objects as an input:')
pprint(
    fc.filter(
        ee.Filter.date(ee.Date('2021-07-01'), ee.Date('2021-08-01'))
    ).getInfo()
)