これは this.filter(ee.Filter.date(...)) と同等です。他の日付フィルタ オプションについては、ee.Filter タイプをご覧ください。
フィルタされたコレクションを返します。
用途 | 戻り値 |
---|---|
FeatureCollection.filterDate(start, end) | コレクション |
引数 | タイプ | 詳細 |
---|---|---|
これ: collection | コレクション | Collection インスタンス。 |
start | Date|Number|String | 開始日(指定した日も期間に含む)。 |
end | Date|Number|String(省略可) | 終了日(この日は含まれません)。省略可。指定しない場合、'start' から始まる 1 ミリ秒の範囲が作成されます。 |
例
コードエディタ(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')));
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())