geetools.JoinAccessor.byProperty#
- static geetools.JoinAccessor.byProperty(primary, secondary, field, outer=False)#
Join 2 collections by a given property field.
It assumes ids are unique so uses ee.Join.saveFirst.
- Parameters:
primary (ee.Collection) – the first collection
secondary (ee.Collection) – the second collection
field (geetools.types.ee_str) – the field to join by
outer (bool) – whether to keep non matching features
- Returns:
the joined collection
- Return type:
ee.Collection
Example
import ee import geetools ee.Initialize() point = ee.Geometry.Point([0,0]) prop1 = {'id': 1, 'prop_from_fc1': 'I am from fc1'} prop2 = {'id': 1, 'prop_from_fc2': 'I am from fc2'} fc1 = ee.FeatureCollection([ee.Feature(point, prop1)]) fc2 = ee.FeatureCollection([ee.Feature(point, prop2)]) joined = ee.Join.geetools.byProperty(fc1, fc2, 'id') joined.getInfo()