Announcement: All noncommercial projects registered to use Earth Engine before
April 15, 2025 must
verify noncommercial eligibility to maintain Earth Engine access.
ee.Join.apply
Stay organized with collections
Save and categorize content based on your preferences.
Joins two collections.
Usage | Returns | Join.apply(primary, secondary, condition) | FeatureCollection |
Argument | Type | Details | this: join | Join | The join to apply; determines how the results are constructed. |
primary | FeatureCollection | The primary collection. |
secondary | FeatureCollection | The secondary collection. |
condition | Filter | The join condition used to select the matches from the two collections. |
Except as otherwise noted, the content of this page is licensed under the Creative Commons Attribution 4.0 License, and code samples are licensed under the Apache 2.0 License. For details, see the Google Developers Site Policies. Java is a registered trademark of Oracle and/or its affiliates.
Last updated 2024-07-13 UTC.
[null,null,["Last updated 2024-07-13 UTC."],[[["\u003cp\u003eJoins two FeatureCollections based on a specified condition.\u003c/p\u003e\n"],["\u003cp\u003eReturns a new FeatureCollection containing features from the primary collection with joined properties from matching features in the secondary collection.\u003c/p\u003e\n"],["\u003cp\u003eUses a \u003ccode\u003eFilter\u003c/code\u003e to define the condition for matching features across the collections.\u003c/p\u003e\n"],["\u003cp\u003eThe \u003ccode\u003ejoin\u003c/code\u003e method enables combining data from two collections for analysis and manipulation within Earth Engine.\u003c/p\u003e\n"]]],[],null,["# ee.Join.apply\n\nJoins two collections.\n\n\u003cbr /\u003e\n\n| Usage | Returns |\n|---------------------------------------------|-------------------|\n| Join.apply`(primary, secondary, condition)` | FeatureCollection |\n\n| Argument | Type | Details |\n|--------------|-------------------|-------------------------------------------------------------------------|\n| this: `join` | Join | The join to apply; determines how the results are constructed. |\n| `primary` | FeatureCollection | The primary collection. |\n| `secondary` | FeatureCollection | The secondary collection. |\n| `condition` | Filter | The join condition used to select the matches from the two collections. |"]]