Isso é equivalente a this.filter(ee.Filter.date(...)); consulte o tipo ee.Filter para outras opções de filtragem por data.
Retorna a coleção filtrada.
Uso | Retorna |
---|---|
FeatureCollection.filterDate(start, end) | Coleção |
Argumento | Tipo | Detalhes |
---|---|---|
isso: collection | Coleção | A instância da coleção. |
start | Date|Number|String | A data de início (inclusive). |
end | Date|Number|String, opcional | A data de término (exclusiva). Opcional. Se não for especificado, um intervalo de 1 milissegundo começando em "start" será criado. |
Exemplos
Editor de código (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())