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21 lines
615 B
Python
21 lines
615 B
Python
"""FeatureCollection Join example.
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Show parks in San Francisco within 2 kilometers of a BART station.
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"""
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import ee
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import ee.mapclient
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ee.Initialize()
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ee.mapclient.centerMap(-122.45, 37.75, 13)
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bart = ee.FeatureCollection('GOOGLE/EE/DEMOS/bart-locations')
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parks = ee.FeatureCollection('GOOGLE/EE/DEMOS/sf-parks')
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buffered_bart = bart.map(lambda f: f.buffer(2000))
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join_filter = ee.Filter.withinDistance(2000, '.geo', None, '.geo')
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close_parks = ee.Join.simple().apply(parks, bart, join_filter)
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ee.mapclient.addToMap(buffered_bart, {'color': 'b0b0b0'})
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ee.mapclient.addToMap(close_parks, {'color': '008000'})
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